What is Don Oh's NPI number?

Don Oh's National Provider Identifier (NPI) is 1326247669, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Don Oh's specialty?

Don Oh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Don Oh located?

Don Oh's practice location on file with NPPES is 2488 Aquasanta, Tustin, CA 92782-1103.

What is Don Oh's phone number?

The practice phone number listed in the NPPES registry for Don Oh is (714) 222-3258.

Is Don Oh's NPI active?

Yes — Don Oh's NPI (1326247669) is active in the NPPES registry as of the last update on 2007-07-17.

IndividualActive

Don Oh, M.D.

NPI 1326247669 · Internal Medicine Physician · Tustin, CA

Don Oh, M.D. is a Internal Medicine Physician provider in Tustin, CA (NPI 1326247669).

Provider details

NPI number: 1326247669
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: A038686 (CA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense A038686 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2488 Aquasanta

Tustin, CA 92782-1103

Phone: (714) 222-3258

Fax: (713) 544-3261

Street-level locationGet directions

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Mailing address