Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Gretchen May Adams, MD

Family Medicine Physician in Oklahoma City, OK · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1275529919

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Registry record

Entity type Individual (Type 1)

Name Dr. Gretchen May Adams

Credential MD

Sex Female

Practice address Oklahoma City, OK, 73104

Phone (405) 271-4311

Fax (405) 271-2797

Enumeration date Sep 27, 2005

Last updated in NPPES Jan 12, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 40551 (OK) Primary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License P4403 (TX) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
315887502	Medicaid	TX	-
200875180B	Medicaid	OK	-
268492YM5U	Other	TX	MEDICARE
2M1168	Other	OK	MEDICARE

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1275529919 active?

Yes, as of the latest NPPES snapshot, NPI 1275529919 is active (record last updated 2023-01-12).

How do I verify Gretchen Adams's NPI record?

Cross-check NPI 1275529919 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-12.