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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. OSCAR CORTEZ OANDASAN M.D.
NPI 1467427609
Family Medicine in Lake Jackson, TX

Active since February 21, 2006
201 OAK DR S, SUITE 102, LAKE JACKSON, TX 77566(979) 297-9752(979) 299-6717 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Oscar Cortez Oandasan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. OSCAR CORTEZ OANDASAN M.D. (NPI 1467427609) is an individual family medicine provider in Lake Jackson, Texas, licensed in Texas (F3570) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1467427609
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. OSCAR CORTEZ OANDASANCredential: M.D.
Location Address201 OAK DR S, SUITE 102Lake Jackson, TX 77566-5676
Mailing Address201 Oak Dr S, Suite 102Lake Jackson, TX 77566-5676 · (979) 297-9752 · Fax (979) 299-6717
Phone(979) 297-9752
Fax(979) 299-6717
Sole ProprietorNo
Enumeration DateFebruary 21, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1467427609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · F3570
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
201 OAK DR S, Lake Jackson, TX 77566
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRAZOSPORT EAR, NOSE & THROAT CLINIC, PA
Specialist
201 OAK DR S, SUITE 207
LAKE JACKSON, TX 77566
Brazoria County (979) 297-2477
BRUCE PAUL MEYERS M.D.
Specialist
201 OAK DR S, SUITE 207
LAKE JACKSON, TX 77566
Brazoria County (979) 297-2477
DR. PHILIP C KOURY DDS
Dentist (General Practice)
201 OAK DR S, SUITE 206
LAKE JACKSON, TX 77566
Brazoria County (979) 297-2491
KOURY & MITSCHKE DENTISTRY PARTNERSHIP
Dentist (General Practice)
201 OAK DR S, SUITE 206
LAKE JACKSON, TX 77566
Brazoria County (979) 297-2491
DR. JOHN MATHEW POOTHULLIL M.D.,F.R.C.P,F.A.A.P
Allergy & Immunology
201 OAK DR S, SUITE 106
LAKE JACKSON, TX 77566
Brazoria County (979) 297-8006
DR. ANIL KUMAR SINHA M.D.
Surgery
201 OAK DR S, SUITE 203-B
LAKE JACKSON, TX 77566
Brazoria County (979) 285-2828
DR. SAMUEL J MITSCHKE DDS
Dentist (General Practice)
201 OAK DR S, SUITE 206
LAKE JACKSON, TX 77566
Brazoria County (979) 297-2491
LYNDON F BARNWELL M.D.
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
201 OAK DR S
LAKE JACKSON, TX 77566
Brazoria County (979) 480-0990

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Oscar Oandasan's NPI number?

The NPI number for Oscar Oandasan is 1467427609. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Where is Oscar Oandasan located?

Oscar Oandasan practices at 201 Oak Dr S Suite 102, Lake Jackson, TX 77566. The listed phone number is (979) 297-9752.

What is Oscar Oandasan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Oscar Oandasan was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.