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Nathan Koh, PA-C
NPI 1346113651 · Physician Assistant · Fontana, CA
Nathan Koh, PA-C is a Physician Assistant provider in Fontana, CA (NPI 1346113651).
Provider details
- NPI number
- 1346113651
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
17051 Sierra Lakes Pkwy Ste 102
Fontana, CA 92336-1274
Phone: (909) 428-1800
Approximate (ZIP-level) locationGet directions
Mailing address
2964 Quail St
Davis, CA 95616-5711
Registry dates
- Enumerated
- 2025-09-24
- Last updated
- 2026-02-12
- Certified
- 2026-02-12
Frequently asked questions
- What is Nathan Koh's NPI number?
- Nathan Koh's National Provider Identifier (NPI) is 1346113651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Koh's specialty?
- Nathan Koh is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nathan Koh located?
- Nathan Koh's practice location on file with NPPES is 17051 Sierra Lakes Pkwy Ste 102, Fontana, CA 92336-1274.
- What is Nathan Koh's phone number?
- The practice phone number listed in the NPPES registry for Nathan Koh is (909) 428-1800.
- Is Nathan Koh's NPI active?
- Yes — Nathan Koh's NPI (1346113651) is active in the NPPES registry as of the last update on 2026-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.