Affiliated with a Castle Connolly Top Hospital
Who is Dr. Gaidos, Gastroenterologist in New Haven, CT?
Castle Connolly Top Doctor
Castle Connolly Top Doctors are doctor-nominated and selected by a physician-led research team.
What are Areas of Expertise for Dr. Gaidos?
Dr. Jill Gaidos, MD 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. Gaidos empowers patients to confidently navigate their health journey, specializing in Colitis, Inflammatory Bowel Disease, Ulcerative Colitis/Crohn's, and comprehensive wellness support. Serving the New Haven, CT community, Dr. Gaidos is dedicated to enhancing lives through expert, patient-centered care.
What languages does Dr. Gaidos speak?
Dr. Gaidos and their clinical team can communicate with patients in the following languages:
- English
What conditions does a Gastroenterologist like Dr. Gaidos typically treat?
As a Gastroenterologist, Dr. Gaidos 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. Gaidos. 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.
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:
- Ulcerative Colitis
- Ulcerative Pancolitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
- Chronic Pancolitis
- Extensive Ulcerative Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
- K5100: Ulcerative (chronic) pancolitis without complications
Also known as:
- Crohn's Disease of the Large Intestine
- Crohn's Disease of the Small Intestine
- Crohn's Disease
- Crohn’s Disease
- Crohn's Colitis with Complications
- Complicated Large Bowel Crohn's
- Inflammatory Bowel Disease (IBD)
- Large Bowel Crohn's
- Crohn's Colitis
- Colonic Crohn's Disease
- Regional Enteritis
- Ileitis
ICD-10 Codes:
- K50119: Crohn's disease of large intestine with unspecified complications
- K5010: Crohn's disease of large intestine without complications
- K5000: Crohn's disease of small intestine without complications
What procedures does a Gastroenterologist like Dr. Gaidos typically perform?
As a Gastroenterologist, Dr. Gaidos 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. Gaidos. 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.
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 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)
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
Does Dr. Gaidos accept my insurance?
Dr. Gaidos accepts most major insurance plans. Important: Please call our office at (203) 785-7312 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Gaidos accept in New Haven, CT?
Dr. Gaidos in New Haven, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Globe Life
Humana
Medicare
State of Connecticut
UnitedHealth Group
View All Insurances
Where is Dr. Gaidos' office located?
Dr. Jill Gaidos' Primary Practice
40 Temple St Ste 1A1
New Haven, CT 06510
(203) 785-7312
What hospitals are Dr. Gaidos affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Gaidos has admitting privileges at the following hospitals:

Ranked Cancer Surgery
Ranked in 3 Procedures
What is Dr. Gaidos's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Gaidos's National Provider Identifier (NPI) number is 1750598827.
What common questions do patients ask about Dr. Gaidos?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gaidos