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

Oscar Alejandro Olavarria, MD

Surgery Physician in Bellaire, TX · enumerated 2016.

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

National Provider Identifier

1972957942

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Registry record

Entity type Individual (Type 1)

Name Oscar Alejandro Olavarria

Credential MD

Sex Male

Practice address Bellaire, TX, 77401

Phone (713) 500-7277

Enumeration date Apr 15, 2016

Last updated in NPPES May 3, 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 R9411 (TX) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License R9411 (TX) Primary

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

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 Oscar Olavarria?

The National Provider Identifier (NPI) for Oscar Olavarria is 1972957942, a Type 1 (individual) record in the CMS NPPES registry.

Where does Oscar Olavarria practice?

The practice location on file with NPPES is in Bellaire, 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 2023-05-03.