1. Home
  2. Directory
  3. Connecticut
  4. Bridgeport
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DAVID I GRAYER M.D.
NPI 1982653903
Internal Medicine - Gastroenterology in Bridgeport, CT

Active since May 08, 2006
226 MILL HILL AVE, 3RD FLOOR, BRIDGEPORT, CT 06610(203) 384-3873(203) 384-3829 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About David I Grayer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID I GRAYER M.D. (NPI 1982653903) is an individual gastroenterology provider in Bridgeport, Connecticut, licensed in Connecticut (014919) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1982653903
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDAVID I GRAYERCredential: M.D.
Location Address226 MILL HILL AVE, 3RD FLOORBridgeport, CT 06610-2811
Mailing AddressPo Box 5246Bridgeport, CT 06610-0246 · (203) 384-3873 · Fax (203) 384-3829
Phone(203) 384-3873
Fax(203) 384-3829
Sole ProprietorNo
Enumeration DateMay 8, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1982653903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 014919
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
226 MILL HILL AVE, Bridgeport, CT 06610
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KAREN A HUTCHINSON M.D.
Internal Medicine
226 MILL HILL AVE, 3RD FLOOR
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3873
ANGELAPIA DEGIROLAMO M.D.
Internal Medicine
226 MILL HILL AVE, 3RD FLOOR
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3873
RAJ KUMARI BANSAL MD
Psychiatry & Neurology (Addiction Psychiatry)
226 MILL HILL AVE, 3RD FLOOR
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3873
JOANNA ZOLKOWSKI-WYNNE M.D.
Pediatrics
226 MILL HILL AVE, 3RD FLOOR
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3873
GARY E KLEINMAN M.D.
Obstetrics & Gynecology
226 MILL HILL AVE, 3RD FLOOR
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3873
SADIE SNOW
Nurse Practitioner
226 MILL HILL AVE
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3233
MS. PATRICIA ANN O'NEILL APRN
Nurse Practitioner (Adult Health)
226 MILL HILL AVE, 3RD FLOOR
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3394
ELENI CHRISTINA KAUFMAN
Physical Therapy Assistant
226 MILL HILL AVE
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 336-7301

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Grayer's NPI number?

The NPI number for David Grayer is 1982653903. It was assigned to this individual provider in the NPPES registry on May 8, 2006.

Where is David Grayer located?

David Grayer practices at 226 Mill Hill Ave 3rd Floor, Bridgeport, CT 06610. The listed phone number is (203) 384-3873.

What is David Grayer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for David Grayer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.