JH
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Horwhat, Gastroenterologist in Lancaster, PA?
Dr. John Horwhat, MD is a Gastroenterologist, who primarily practices in Lancaster, PA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Horwhat graduated from Temple University School Of Medicine and completed his residency at Madigan Healthcare System Program. Dr. Horwhat is fluent in English, Chinese, Gujarati, Hindi, Spanish, and Vietnamese, and is currently seeing new patients. Dr. Horwhat’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Horwhat’s office at (717) 431-3000.
Where did Dr. Horwhat go to medical school and complete their residency?
Residency: Madigan Healthcare System Program
Medical School: Temple University School Of Medicine
Is Dr. Horwhat board certified in Gastroenterologist?
Yes, Dr. John Horwhat, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Horwhat speak?
Dr. Horwhat and their clinical team can communicate with patients in the following languages:
Chinese
English
Gujarati
Hindi
Spanish
Vietnamese
What conditions does Dr. Horwhat treat?
As a Gastroenterologist, Dr. Horwhat 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. Horwhat. 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.
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:
- Colon Polyps
- History of Adenomatous and Serrated Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
- Past Colon Polyps
- Previous Adenomas
- History of Precancerous Colon Growths
ICD-10 Codes:
- K635: Polyp of colon
- Z860101: Personal history of adenomatous and serrated colon polyps
Also known as:
- Stomach and Duodenum Disorder
- Stomach or Duodenum Polyp
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
- K317: Polyp of stomach and duodenum
Also known as:
- Abnormal Liver or Bile Duct Imaging
- Abnormal Digestive Tract Imaging
- Abnormal liver scan
- Unusual bile duct imaging
- Liver imaging findings
- Abnormal GI scan
- Unusual digestive imaging
- Digestive system imaging findings
ICD-10 Codes:
- R932: Abnormal findings on diagnostic imaging of liver and biliary tract
- R933: Abnormal findings on diagnostic imaging of other parts of digestive tract
Also known as:
- Barrett's Esophagus
- Other Esophagus Condition
- Esophagus Disorder
- Barrett’s Esophagus
- Barrett's condition
- Esophageal metaplasia
- Various esophageal diseases
- Miscellaneous esophagus problems
- Other food pipe issues
ICD-10 Codes:
- K2270: Barrett's esophagus without dysplasia
- K2289: Other specified disease of esophagus
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:
- Other Specific Bile Duct and Gallbladder Disease
- Bile Duct Disease
- Gallbladder Disease
- Specific Biliary Disorders
- Named Bile Duct Conditions
- Other Defined Biliary Diseases
ICD-10 Codes:
- K838: Other specified diseases of biliary tract
Also known as:
- Ulcerative Pancolitis
- Ulcerative Colitis
- Chronic Pancolitis
- Extensive Ulcerative Colitis
- Inflammatory Bowel Disease (IBD)
ICD-10 Codes:
- K5100: Ulcerative (chronic) pancolitis without complications
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Crohn's Disease of the Small Intestine
- Crohn's Disease
- Crohn’s Disease
- Regional Enteritis
- Inflammatory Bowel Disease (IBD)
- Ileitis
ICD-10 Codes:
- K5000: Crohn's disease of small intestine without complications
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Rectal Polyp
- Rectal Disorder
- Rectal Growth
- Colon Polyp
- Benign Rectal Tumor
ICD-10 Codes:
- K621: Rectal polyp
Also known as:
- Acute Pancreatitis
- Pancreatitis
- Sudden Pancreas Inflammation
- Acute Pancreas Attack
ICD-10 Codes:
- K8590: Acute pancreatitis without necrosis or infection, unspecified
Also known as:
- Bile Duct Stones
- Gallstones
- Choledocholithiasis
- Biliary duct calculi
ICD-10 Codes:
- K8050: Calculus of bile duct without cholangitis or cholecystitis without obstruction
Which procedures does Dr. Horwhat perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. John Horwhat may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Horwhat's office.
Does Dr. Horwhat accept my insurance?
Dr. Horwhat accepts most major insurance plans. Important: Please call our office at (717) 431-3000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Horwhat accept in Lancaster, PA?
Dr. Horwhat in Lancaster, PA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Capital BlueCross
CVS Health (formerly Aetna)
Department of Veterans Affairs
Geisinger Health Plan
Highmark Inc.
Humana
Independence Blue Cross
Medicare
UnitedHealthcare
UPMC Health Plan
View All Insurances
Where is Dr. Horwhat's office located?
Dr. John Horwhat's Primary Practice
2112 Harrisburg Pike Ste 202
Lancaster, PA 17601
(717) 431-3000
What is Dr. Horwhat's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Horwhat's National Provider Identifier (NPI) number is 1487747242.
What common questions do patients ask about Dr. Horwhat?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Horwhat
What is Dr. John Horwhat's specialty?
Dr. Horwhat is a Gastroenterologist near Lancaster, PA. 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. Horwhat to book an appointment today.
Is this Dr. John Horwhat affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Horwhat is affiliated with Penn Medicine Lancaster General 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 John Horwhat accepting new patients in Lancaster, PA?
Yes, Dr. John Horwhat is accepting new patients at this time.
Does Dr. John Horwhat offer online booking?
Please contact Dr. Horwhat's office at (717) 431-3000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Horwhat?
Please contact Dr. Horwhat's office at (717) 431-3000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Horwhat have?
Dr. John Horwhat is certified by the American Board of Internal Medicine.
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