JD
25 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Dowd, Gastroenterologist in Manchester, NH?
Dr. John Dowd, DO is a Gastroenterologist, who primarily practices in Manchester, NH with 2 additional practice locations. He has been practicing for over 25 years. Dr. Dowd graduated from University of Osteopathic Medicine and Health Sciences and completed his residency at Norwalk Hosp, Gastroenterology; Umdnj-Sch Of Osteo Med, Internal Medicine. Dr. Dowd is fluent in English, and is currently seeing new patients. Dr. Dowd’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. Dowd’s office at (978) 287-3835.
What are Areas of Expertise for Dr. Dowd?
Dr. John Dowd, DO is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Dowd empowers patients to confidently navigate their health journey, specializing in Colon Cancer Screening, Esophageal Disorders, Inflammatory Bowel Disease, Pancreatic & Biliary Disease, and comprehensive wellness support. Serving the Manchester, NH community, Dr. Dowd is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Dowd go to medical school and complete their residency?
Residency: Norwalk Hosp, Gastroenterology; Umdnj-Sch Of Osteo Med, Internal Medicine | Kennedy Memorial Hospital Nj
Medical School: Des Moines University College of Osteopathic Medicine and Health Sciences | University of Osteopathic Medicine and Health Sciences | University of Osteopathic Medicine and Health Sciences
What languages does Dr. Dowd speak?
Dr. Dowd and their clinical team can communicate with patients in the following languages:
English
What conditions does a Gastroenterologist like Dr. Dowd typically treat?
As a Gastroenterologist, Dr. Dowd 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. Dowd. 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:
- Benign Ascending Colon Polyp
- Benign Transverse Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D123: Benign neoplasm of transverse colon
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
What procedures does a Gastroenterologist like Dr. Dowd typically perform?
As a Gastroenterologist, Dr. Dowd 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. Dowd. 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
- 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
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
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:
- EGD with Esophageal Balloon Dilation
- Diagnostic Upper Endoscopy with Biopsy
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- Upper Endoscopy with Polyp Removal
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
CPT Codes:
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Does Dr. Dowd accept my insurance?
Dr. Dowd accepts most major insurance plans. Important: Please call our office at (978) 287-3835 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Dowd accept in Manchester, NH?
Dr. Dowd in Manchester, NH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
BCBS Unspecified
Blue Cross Blue Shield of Massachusetts
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Medicare
Point32Health
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Dowd's office located?
What is Dr. Dowd's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Dowd's National Provider Identifier (NPI) number is 1164498648.
What common questions do patients ask about Dr. Dowd?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Dowd
What is Dr. John Dowd's specialty?
Dr. Dowd is a Gastroenterologist near Manchester, NH.
What does a Gastroenterologist do?
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.
Is this Dr. John Dowd affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Dowd is affiliated with Emerson Health 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
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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 Dowd accepting new patients in Manchester, NH?
Yes, Dr. John Dowd is accepting new patients at this time.
Does Dr. John Dowd offer online booking?
Please contact Dr. Dowd's office at (978) 287-3835 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Dowd?
Please contact Dr. Dowd's office at (978) 287-3835 for information regarding telehealth appointment availability or for scheduling assistance.
Other Gastroenterologist Near Manchester, NH
SS
Pediatric Gastroenterologist
Accepting patientsDr. Shova Subedi, MD is a Pediatric Gastroenterologist, who primarily practices in Providence, RI with 1 additional practice location.
Providence, RI
Gastroenterologist
Accepting patientsDr. Prasanna Gulur, MD is a Gastroenterologist, who primarily practices in Lebanon, NH with 2 additional practice locations. He has been practicing for over 21 years.
Lebanon, NH
SO
Gastroenterologist
Accepting patientsDr. Scott Oosterveen, MD is a Gastroenterologist, who primarily practices in Concord, NH with 1 additional practice location. He is board certified.
Concord, NH