What is Keun Oh's NPI number?

Keun Oh's National Provider Identifier (NPI) is 1245234079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Keun Oh's specialty?

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

Where is Keun Oh located?

Keun Oh's practice location on file with NPPES is 229 Summit St, Batavia, NY 14020-1645.

What is Keun Oh's phone number?

The practice phone number listed in the NPPES registry for Keun Oh is (585) 343-4440.

Is Keun Oh's NPI active?

Yes — Keun Oh's NPI (1245234079) is active in the NPPES registry as of the last update on 2026-05-03.

IndividualActive

Keun Oh, MD

NPI 1245234079 · Internal Medicine Physician · Batavia, NY

Keun Oh, MD is a Internal Medicine Physician provider in Batavia, NY (NPI 1245234079).

Provider details

NPI number: 1245234079
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 123190 (NY)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 123190 (NY)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
21 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

229 Summit St

Ste 1

Batavia, NY 14020-1645

Phone: (585) 343-4440

Fax: (585) 343-0381

Street-level locationGet directions

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Mailing address