DR. RICHARD AUGUSTUS MESSIAN (M.D.) – Gastroenterology Physician, NPI 1609929751

DR. RICHARD AUGUSTUS MESSIAN (M.D.) is a healthcare provider. based in Concord, California. specializing in Gastroenterology Physician. They hold the professional credentials M.D.. They hold a License No. G268490 (CA). The NPI Number for DR. RICHARD AUGUSTUS MESSIAN (M.D.) is 1609929751

Main info

Male
Sole Proprietor
Name
DR. RICHARD AUGUSTUS MESSIAN (M.D.)
NPI
1609929751
Phone
(925) 687-9650
Address
2415 HIGH SCHOOL AVE
Enumeration Date
20 January 2007
Last Update Date
6 May 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

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Provider Addresses for DR. RICHARD AUGUSTUS MESSIAN (M.D.)

  • 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

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

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

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

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Medicare Utilization (FFS)

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

Insurance plans in this area (ZIP 94520)

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Provider's Procedures

DR. RICHARD AUGUSTUS MESSIAN (M.D.) performs procedures in Gastroenterology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
GASTROENTEROLOGYCA45385Removal of polyps or growths of large bowel using an endoscope4141

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Frequently asked questions

How do I look up DR. RICHARD AUGUSTUS MESSIAN (M.D.) by NPI?
Use NPI 1609929751 when you need to reference DR. RICHARD AUGUSTUS MESSIAN (M.D.) in forms, claims, or directories.
Is DR. RICHARD AUGUSTUS MESSIAN (M.D.)'s NPI currently valid?
The extract we use shows DR. RICHARD AUGUSTUS MESSIAN (M.D.) as active.
What kind of provider is DR. RICHARD AUGUSTUS MESSIAN (M.D.)?
The page reflects Gastroenterology Physician for DR. RICHARD AUGUSTUS MESSIAN (M.D.). Clinical services aligned with this taxonomy classification.
Where is DR. RICHARD AUGUSTUS MESSIAN (M.D.)'s primary listing?
We display Concord, California because that is what the record indicates for DR. RICHARD AUGUSTUS MESSIAN (M.D.).
How can I contact DR. RICHARD AUGUSTUS MESSIAN (M.D.)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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