Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cesar A Martinez, MD

Internal Medicine Physician in Mcallen, TX · enumerated 2006.

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

National Provider Identifier

1740212042

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Registry record

Entity type Individual (Type 1)

Name Cesar A Martinez

Credential MD

Sex Male

Practice address 101 E. Savannah Avenue, Bldg B Suite 203, Mcallen, TX, 78503

Phone (956) 686-7611

Fax (956) 618-3164

Enumeration date Jul 7, 2006

Last updated in NPPES Feb 13, 2019

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License M0165 (TX) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License M0165 (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
170703602	Medicaid	TX	-
170703610	Medicaid	TX	-
509645YTMP	Other	TX	MEDICARE PTAN

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

What is the NPI number for Cesar Martinez?

The National Provider Identifier (NPI) for Cesar Martinez is 1740212042, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cesar Martinez practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-02-13.