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Edit this profileAt a glance
- 9961 Sierra Ave, Fontana, CA 92335
About Dr. Seid
Daniel S. Seid, MD practices internal medicine in Fontana, CA. Daniel is also listed as specializing in gastroenterology. The provider's National Provider Identifier (NPI) is 1053470658.
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) 427-3910
- Email not available
Practice Locations
9961 SIERRA AVE
Fontana, CA 92335
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 internists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 22 related providers in 3 groups
Other internists in Fontana 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Seid's specialty?
Dr. Seid is an internist in Fontana, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Dr. Seid?
Dr. Seid is listed at 9961 Sierra Ave, Fontana, CA 92335. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Seid?
The number on file is (909) 427-3910. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Seid's NPI number?
Dr. Seid's National Provider Identifier is 1053470658. 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
What is Dr. Seid's medical education?
Dr. Seid attended Other, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Seid been practicing?
Dr. Seid has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Seid confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Seid. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.