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Edit this profileAt a glance
- 17051 Sierra Lakes Pkwy Ste 102, Fontana, CA 92336
About Nathan Koh
Nathan S. Koh, PA-C is a physician assistant practicing in Fontana, CA. This provider record is associated with NPI 1346113651.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (909) 428-1800
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
17051 SIERRA LAKES PKWY STE 102
Fontana, CA 92336
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other physician assistants in Fontana 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2025 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Nathan S. Koh specialize in?
Nathan S. Koh is a physician assistant in Fontana, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Nathan S. Koh located?
Nathan S. Koh is listed at 17051 Sierra Lakes Pkwy Ste 102, Fontana, CA 92336. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Nathan S. Koh's phone number?
The number on file is (909) 428-1800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Nathan S. Koh?
Nathan S. Koh's National Provider Identifier is 1346113651. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Nathan S. Koh train?
Nathan S. Koh attended Other, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Nathan S. Koh have?
Nathan S. Koh has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Is Nathan S. Koh's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Nathan S. Koh. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.