GASTROENTEROLOGY MEDICAL GROUP, INC. – Gastroenterology Physician, NPI 1811040967

GASTROENTEROLOGY MEDICAL GROUP, INC. is a healthcare provider. based in Concord, California. specializing in Gastroenterology Physician. The organization holds a License No. G268490 (CA). The NPI Number for GASTROENTEROLOGY MEDICAL GROUP, INC. is 1811040967

Main info

Organization
Name
GASTROENTEROLOGY MEDICAL GROUP, INC.
NPI
1811040967
Phone
(925) 687-9650
Address
2415 HIGH SCHOOL AVE
Authorized Official
DR. RICHARD AUGUSTUS MESSIAN CEO M.D.
Enumeration Date
20 January 2007
Last Update Date
27 February 2008
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

Loading map...

Provider Addresses for GASTROENTEROLOGY MEDICAL GROUP, INC.

  • Grant Street & High School Avenue, East Street, Concord, Contra Costa County, California, 94520, United States

    SUITE 100

    CONCORD, CA 945201800

    Phone: (925) 687-9650

    Fax: (925) 685-8447

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 94520)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What federal number belongs to GASTROENTEROLOGY MEDICAL GROUP, INC.?
The federal identifier for GASTROENTEROLOGY MEDICAL GROUP, INC. is NPI 1811040967.
Is GASTROENTEROLOGY MEDICAL GROUP, INC.'s NPI currently valid?
The extract we use shows GASTROENTEROLOGY MEDICAL GROUP, INC. as active.
What does GASTROENTEROLOGY MEDICAL GROUP, INC. treat or focus on?
Patients typically see GASTROENTEROLOGY MEDICAL GROUP, INC. under the specialty Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
What location shows for GASTROENTEROLOGY MEDICAL GROUP, INC.?
We surface Concord, California for GASTROENTEROLOGY MEDICAL GROUP, INC. based on available NPPES addresses.
Is GASTROENTEROLOGY MEDICAL GROUP, INC. a real provider?
This page reflects official NPPES data for NPI 1811040967. Always confirm identity and privileges with the practice and licensing boards.

Similar Providers

ALEX A ASLAN (M.D.)

Gastroenterology Physician
2222 EAST ST STE 300
NPI: 1538115571

DR. KALYANI MAGANTI (M.D.)

Gastroenterology Physician
2637 SHADELANDS DR
NPI: 1073533212

DAVID N VARON (M.D.)

Gastroenterology Physician
Grant Street & High School Avenue, East Street, Concord, Contra Costa County, California, 94520, United States
NPI: 1184702656

UNIVERSITY HEALTHCARE ALLIANCE

Internal Medicine Physician
2577 Samaritan Dr Ste 845
NPI: 1760531198

DR. RICHARD AUGUSTUS MESSIAN (M.D.)

Gastroenterology Physician
Grant Street & High School Avenue, East Street, Concord, Contra Costa County, California, 94520, United States
NPI: 1609929751

DR. TEDMOND CW SZETO (MD)

Gastroenterology Physician
101 Bodin Cir
NPI: 1508061631

JULIA DERENZI (PA)

Medical Physician Assistant
2637, Shadelands Drive, Shadelands Business Park, Walnut Creek, Contra Costa County, California, 94598, United States
NPI: 1932369469

DR. MICHAEL GEORGE JR. LOUDIN (M.D.)

Gastroenterology Physician
3400 DATA DR
NPI: 1932542156

SANYA WADHWA (M.D.)

Gastroenterology Physician
2222 EAST ST STE 300
NPI: 1003234501