Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Melvyn Augustus Harrington Jr., MD

Orthopaedic Surgery Physician in Houston, TX · enumerated 2006.

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

National Provider Identifier

1851365258

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Registry record

Entity type Individual (Type 1)

Name Melvyn Augustus Harrington Jr.

Credential MD

Sex Male

Practice address 6620 Main St, Suite 1325, Baylor College of Medicine, Houston, TX, 77030

Phone (713) 986-5660

Fax (708) 986-5661

Enumeration date Feb 14, 2006

Last updated in NPPES Feb 12, 2024

Taxonomy & licenses

207XS0114X Adult Reconstructive Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 36100323 (IL) Secondary

207XS0114X Adult Reconstructive Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License M6652 (TX) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License M6652 (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
36100323	Medicaid	IL	-

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 Melvyn Harrington?

The National Provider Identifier (NPI) for Melvyn Harrington is 1851365258, a Type 1 (individual) record in the CMS NPPES registry.

Where does Melvyn Harrington practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-12.