Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gregory Lane Keffer, MD

Obstetrics & Gynecology Physician in Bay City, TX · enumerated 2006.

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

National Provider Identifier

1487618294

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Registry record

Entity type Individual (Type 1)

Name Dr. Gregory Lane Keffer

Credential MD

Sex Male

Practice address 111 Avenue F, Bay City, TX, 77414

Phone (979) 245-9754

Fax (979) 244-3750

Enumeration date Apr 17, 2006

Last updated in NPPES Oct 21, 2013

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License H3086 (TX) Primary

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
PO1209193	Other	TX	RAILROAD MEDICARE #
114508802	Medicaid	TX	-
160039179	Other	TX	RAILROAD GBA - RAILROAD MEDICARE
83Y420	Other	TX	BC/BS TX#
114508806	Medicaid	TX	-
8DE531	Other	TX	BC/BS #

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.

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Frequently asked questions

What is the NPI number for Gregory Keffer?

The National Provider Identifier (NPI) for Gregory Keffer is 1487618294, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Keffer practice?

The practice location on file with NPPES is in Bay City, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-21.