Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert C Matlock, MD

Sleep Medicine (Family Medicine) Physician in Waco, TX · enumerated 2006.

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

National Provider Identifier

1265479273

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert C Matlock

Credential MD

Sex Male

Practice address 305 Londonderry Dr, Waco, TX, 76712

Phone (254) 537-6464

Fax (254) 537-6466

Enumeration date May 31, 2006

Last updated in NPPES Jan 30, 2017

Taxonomy & licenses

174400000X Specialist Other Service Providers · License K3613 (TX) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License K3613 (TX) Secondary

207QS1201X Sleep Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians · License K3613 (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
124288506	Medicaid	TX	-

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

Where does Robert Matlock practice?

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

What is the NPI number for Robert Matlock?

The National Provider Identifier (NPI) for Robert Matlock is 1265479273, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-30.