Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Lam, Gastroenterologist in Batavia, OH?
Dr. Gregory Lam, DO is a Gastroenterologist, who primarily practices in Batavia, OH with 2 additional practice locations. He is board certified. Dr. Lam completed his residency at Loyola University Medical Center. Dr. Lam is fluent in English, Lithuanian, and Spanish, and is currently seeing new patients. Dr. Lam’s practice accepts Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lam’s office at (513) 735-0200.
What are Areas of Expertise for Dr. Lam?
Dr. Gregory Lam, DO is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Lam empowers patients to confidently navigate their health journey, specializing in Endoscopy, or comprehensive wellness support. Serving the Batavia/OH community, Dr. Lam is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Lam go to medical school and complete their residency?
Fellowship: Loyola University Medical Center | SUNY Downstate Medical Center
Residency: Loyola University Medical Center
Medical School: Gonzaga University | Midwestern University (AZ)
Is Dr. Lam board certified as a Gastroenterologist?
Yes, Dr. Gregory Lam, DO is board certified by the American Board of Internal Medicine since 2007
What languages does Dr. Lam speak?
Dr. Lam and their clinical team can communicate with patients in the following languages:
English
Lithuanian
Spanish
What conditions does Dr. Lam treat?
As a Gastroenterologist, Dr. Lam diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Lam. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Difficulty Swallowing
- Other Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
- Swallowing problems
ICD-10 Codes:
- R1310: Dysphagia, unspecified
- R1319: Other dysphagia
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- History of Adenomatous and Serrated Colon Polyps
- Past Colon Polyps
- Previous Adenomas
- History of Precancerous Colon Growths
ICD-10 Codes:
- Z860101: Personal history of adenomatous and serrated colon polyps
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
What procedures does Dr. Lam perform?
As a Gastroenterologist, Dr. Lam performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Lam. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.
Also known as:
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy with Tissue Removal
- Colonoscopy with Polyp/Tumor Removal
- Colonoscopy with Bleeding Control
- Colonoscopy with Hemorrhoid Ligation
- Colonoscopy with Balloon Dilation
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible colonoscopy with EMR
- Endoscopic mucosal resection (colon)
- Colon polyp removal during colonoscopy
- Flexible colonoscopy with ablation
- Colon polyp removal
- Colon tumor destruction
- Therapeutic colonoscopy
- Endoscopic Hemostasis
- Colonoscopy for Bleeding
- Hemorrhoid Banding
- Colon Exam with Ligation
- Flexible Colonoscopy with Dilation
- Colon Dilation during Colonoscopy
- Endoscopic Balloon Dilation of Colon
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45390: Colonoscopy, flexible; with endoscopic mucosal resection
- 45388: Colonoscopy, flexible; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
- 45382: Colonoscopy, flexible; with control of bleeding, any method
- 45398: Colonoscopy, flexible; with band ligation(s) (eg, hemorrhoids)
- 45386: Colonoscopy, flexible; with transendoscopic balloon dilation
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- Sigmoidoscopy with Hemorrhoid Banding
- EGD with Esophageal Balloon Dilation
- Upper Endoscopy with Mucosal Resection
- Flexible Sigmoidoscopy with Biopsy
- Colonoscopy with Injections
- Upper Endoscopy with Injections
- ERCP with Biopsy
- Upper Endoscopy with Varices Banding
- Small Intestine Endoscopy with Tumor/Polyp Removal
- Esophagus Widening Procedure (Endoscopic)
- ERCP with Gallstone or Pancreatic Stone Removal
- Colorectal Cancer Screening Tests
- Colonoscopy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Flexible Sigmoidoscopy with Ligation
- Hemorrhoid Banding (Sigmoidoscopy)
- Lower Endoscopy for Hemorrhoids
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Mucosal Resection
- Endoscopic Removal of Esophageal Lesion
- Flexible Endoscopy with Tissue Removal
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- EGD with Submucosal Injections
- Esophagogastroduodenoscopy with Injections
- Stomach Scope with Medication
- Endoscopic Retrograde Cholangiopancreatography with Biopsy
- Bile Duct Biopsy (ERCP)
- Pancreatic Duct Biopsy (ERCP)
- EGD with Band Ligation
- Esophageal Varices Banding
- Gastric Varices Treatment
- Enteroscopy with Lesion Ablation
- Small Bowel Polyp Removal
- Intestinal Tumor Ablation (Endoscopic)
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- Endoscopic Retrograde Cholangiopancreatography
- Bile Duct Stone Removal
- Pancreatic Stone Lithotripsy
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45350: Sigmoidoscopy, flexible; with band ligation(s) (eg, hemorrhoids)
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43254: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic mucosal resection
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43236: Esophagogastroduodenoscopy, flexible, transoral; with directed submucosal injection(s), any substance
- 43261: Endoscopic retrograde cholangiopancreatography (ERCP); with biopsy, single or multiple
- 43244: Esophagogastroduodenoscopy, flexible, transoral; with band ligation of esophageal/gastric varices
- 44369: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, not including ileum; with ablation of tumor(s), polyp(s), or other lesion(s) not amenable to removal by hot biopsy forceps, bipolar cautery or snare technique
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 43265: Endoscopic retrograde cholangiopancreatography (ERCP); with destruction of calculi, any method (eg, mechanical, electrohydraulic, lithotripsy)
Also known as:
- Esophageal Dilation (Bougie)
- Esophageal Widening
- Bougie Dilation of Esophagus
- Swallowing Tube Dilation
CPT Codes:
- 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes
Also known as:
- Upper Endoscopy with Ultrasound (EUS)
- Upper Endoscopy with Tumor Ablation
- Upper Endoscopy with Polyp Removal
- Upper Endoscopy with Stomach/Duodenum Dilation
- EGD with endoscopic ultrasound
- Esophageal ultrasound
- Stomach ultrasound endoscopy
- Duodenal ultrasound endoscopy
- EGD with Ablation
- Esophagus, Stomach, Duodenum Scope with Ablation
- Flexible Endoscopy Lesion Treatment
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
- EGD with Dilation
- Esophageal Dilation
- Stomach Stricture Widening
- Duodenal Stricture Repair
CPT Codes:
- 43259: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination, including the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis
- 43270: Esophagogastroduodenoscopy, flexible, transoral; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 43245: Esophagogastroduodenoscopy, flexible, transoral; with dilation of gastric/duodenal stricture(s) (eg, balloon, bougie)
Also known as:
- ERCP with Stent Placement
- ERCP with Sphincterotomy
- ERCP with Bile or Pancreatic Duct Stent Removal
- ERCP for Bile/Pancreatic Stent Exchange
- ERCP with Bile Duct Dilation
- ERCP with Tumor Removal
- Endoscopic Retrograde Cholangiopancreatography with Stent
- Bile Duct Stent Placement via ERCP
- Pancreatic Duct Stent Placement via ERCP
- Endoscopic retrograde cholangiopancreatography
- Bile duct scope
- Pancreatic duct scope
- Papillotomy
- Endoscopic Retrograde Cholangiopancreatography
- Bile Duct Stent Removal
- Pancreatic Duct Foreign Body Removal
- ERCP Stone Removal
- Bile duct stent replacement (ERCP)
- Endoscopic retrograde cholangiopancreatography with stent exchange
- Biliary stent removal and replacement
- Pancreatic duct stent exchange
- Endoscopic Retrograde Cholangiopancreatography with Dilation
- Bile Duct Widening via ERCP
- Pancreatic Duct Balloon Dilation
- Endoscopic Retrograde Cholangiopancreatography with Ablation
- Bile Duct Tumor Removal ERCP
- Pancreatic Duct Lesion Ablation
CPT Codes:
- 43274: Endoscopic retrograde cholangiopancreatography (ERCP); with placement of endoscopic stent into biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent
- 43262: Endoscopic retrograde cholangiopancreatography (ERCP); with sphincterotomy/papillotomy
- 43275: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of foreign body(s) or stent(s) from biliary/pancreatic duct(s)
- 43276: Endoscopic retrograde cholangiopancreatography (ERCP); with removal and exchange of stent(s), biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent exchanged
- 43277: Endoscopic retrograde cholangiopancreatography (ERCP); with trans-endoscopic balloon dilation of biliary/pancreatic duct(s) or of ampulla (sphincteroplasty), including sphincterotomy, when performed, each duct
- 43278: Endoscopic retrograde cholangiopancreatography (ERCP); with ablation of tumor(s), polyp(s), or other lesion(s), including pre- and post-dilation and guide wire passage, when performed
Also known as:
- Upper Endoscopy with Ultrasound and Biopsy
- Biopsy
- Endoscopy
- Ultrasound
- EGD with Endoscopic Ultrasound Biopsy
- Transoral EUS-FNA
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43242: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s) (includes endoscopic ultrasound examination of the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis)
Also known as:
- ERCP with Gallstone Removal
- ERCP
- Endoscopic Gallstone Removal
- Biliary Duct Stone Removal
- Pancreatic Duct Cleaning
CPT Codes:
- 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)
Also known as:
- Upper Endoscopy for Foreign Body Removal
- EGD for Foreign Body
- Gastroscopy for Object Removal
- Esophagogastroduodenoscopy for Foreign Body
CPT Codes:
- 43247: Esophagogastroduodenoscopy, flexible, transoral; with removal of foreign body(s)
Also known as:
- Stopping Bleeding in Esophagus, Stomach, or Duodenum
- EGD with Bleeding Control
- Upper GI Endoscopy for Bleeding
- Gastric Bleeding Treatment
CPT Codes:
- 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method
Also known as:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Feeding Tube Placement with Endoscopy
- PEG Tube Placement
- Gastrostomy Tube Insertion
- EGD with Feeding Tube
- Percutaneous Endoscopic Gastrostomy
CPT Codes:
- 43246: Esophagogastroduodenoscopy, flexible, transoral; with directed placement of percutaneous gastrostomy tube
Also known as:
- Esophagus Widening Procedure
- Esophageal Dilation
- Food Pipe Stretching
- Esophagus Stricture Treatment
CPT Codes:
- 43453: Dilation of esophagus, over guide wire
Also known as:
- Stomach Feeding Tube Insertion
- Nasogastric Tube Placement
- Orogastric Tube Placement
- NG Tube Insertion
- OG Tube Insertion
CPT Codes:
- 43752: Naso- or oro-gastric tube placement, requiring physician's skill and fluoroscopic guidance (includes fluoroscopy, image documentation and report)
Also known as:
- Hemorrhoid Removal with Rubber Band Ligation
- Hemorrhoid Removal (Ligation)
- Rubber Band Ligation for Hemorrhoids
- Internal Hemorrhoid Ligation
- Banding of Hemorrhoids
- Hemorrhoid Banding
- Hemorrhoidectomy
- Piles Removal
- Non-Rubber Band Ligation
CPT Codes:
- 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)
- 46946: Hemorrhoidectomy, internal, by ligation other than rubber band; 2 or more hemorrhoid columns/groups, without imaging guidance
Also known as:
- Endoscopic Tube Placement into Bile or Pancreatic Duct
- ERCP Cannulation
- Bile Duct Cannulation
- Pancreatic Duct Access (Endoscopic)
CPT Codes:
- 43273: Endoscopic cannulation of papilla with direct visualization of pancreatic/common bile duct(s) (List separately in addition to code(s) for primary procedure)
Also known as:
- Upper GI Scope with Stent Placement
- EGD with Stent
- Esophageal Stent Placement
- Stomach Stent Insertion
CPT Codes:
- 43266: Esophagogastroduodenoscopy, flexible, transoral; with placement of endoscopic stent (includes pre- and post-dilation and guide wire passage, when performed)
Also known as:
- Sigmoidoscopy with Mucosal Resection (Polyp Removal)
- Colorectal Cancer Screening Tests
- Flexible Sigmoidoscopy with EMR
- Colon Polyp Removal
- Endoscopic Mucosal Resection Colon
CPT Codes:
- 45349: Sigmoidoscopy, flexible; with endoscopic mucosal resection
Also known as:
- Anoscopy (Diagnostic)
- Anoscopy
- Anal Canal Exam
- Rectal Scope Exam
- Anus Diagnostic Procedure
CPT Codes:
- 46600: Anoscopy; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Gastrostomy Tube Replacement
- G-tube Change
- Percutaneous Gastrostomy Tube Exchange
- Stomach Feeding Tube Replacement
CPT Codes:
- 43762: Replacement of gastrostomy tube, percutaneous, includes removal, when performed, without imaging or endoscopic guidance; not requiring revision of gastrostomy tract
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Also known as:
- Esophageal Balloon Distension Study
- Esophageal distension test
- Balloon provocation test
- Esophageal pain study
CPT Codes:
- 91040: Esophageal balloon distension study, diagnostic, with provocation when performed
Also known as:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Does Dr. Lam accept my insurance?
Dr. Lam accepts most major insurance plans. Important: Please call our office at (513) 735-0200 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Lam accept in Batavia, OH?
Dr. Lam in Batavia, OH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
CareSource
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Humana
Medical Mutual of Ohio
Medicare
Molina Healthcare
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Lam's office located?
Dr. Gregory Lam's Primary Practice
2055 Hospital Dr Ste 325
Batavia, OH 45103
(513) 735-0200
Recognitions
Awards
Fellow
American Society for Gastrointestinal Endoscopy
Cincinnati Top Doctors
Cincinnati Magazine
Regional Top Doctor
Castle Connolly
What is Dr. Lam's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Lam's National Provider Identifier (NPI) number is 1861416596.
What common questions do patients ask about Dr. Lam?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lam
What is Dr. Gregory Lam's specialty?
Dr. Lam is a Gastroenterologist near Batavia, OH. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Lam to book an appointment today.
Is this Dr. Gregory Lam affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Lam is affiliated with The Christ Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Gregory Lam accepting new patients in Batavia, OH?
Yes, Dr. Gregory Lam is accepting new patients at this time.
Does Dr. Gregory Lam offer online booking?
Please contact Dr. Lam's office at (513) 735-0200 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gregory Lam?
Please contact Dr. Lam's office at (513) 735-0200 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Gregory Lam have?
Dr. Gregory Lam is certified by the American Board of Internal Medicine.
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