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DR. DON S OH M.D.
NPI 1326247669
Internal Medicine in Tustin, CA

Active since July 17, 2007
2488 AQUASANTA, TUSTIN, CA 92782(714) 222-3258(713) 544-3261 Get Directions Write a Review

NPPES record last updated: July 17, 2007. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Don S Oh M.d. NPPES

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

DR. DON S OH M.D. (NPI 1326247669) is an individual internal medicine provider in Tustin, California, licensed in California (A038686) and active in the NPI registry since July 2007.

NPPES Registry Identity

NPI1326247669
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DON S OHCredential: M.D.
Location Address2488 AQUASANTATustin, CA 92782-1103
Mailing Address2488 AquasantaTustin, CA 92782-1103 · (714) 222-3258 · Fax (713) 544-3261
Phone(714) 222-3258
Fax(713) 544-3261
Sole ProprietorYes
Enumeration DateJuly 17, 2007
✔ NPI 1326247669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A038686
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2488 AQUASANTA, Tustin, CA 92782
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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 Don Oh's NPI number?

The NPI number for Don Oh is 1326247669. It was assigned to this individual provider in the NPPES registry on July 17, 2007.

Where is Don Oh located?

Don Oh practices at 2488 Aquasanta, Tustin, CA 92782. The listed phone number is (714) 222-3258.

What is Don Oh's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Don Oh was last updated on July 17, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.