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Edit this profileAt a glance
- 3076 Myrtledale Rd, Calistoga, CA 94515
About Dr. Oneil
John C. Oneil, M.D. is a healthcare provider located in Calistoga, CA. The provider's National Provider Identifier (NPI) is 1952573826.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (707) 942-6888
- Email not available
Practice Locations
3076 MYRTLEDALE RD
Calistoga, CA 94515
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Common questions
Where can I find John C. Oneil?
John C. Oneil is listed at 3076 Myrtledale Rd, Calistoga, CA 94515. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John C. Oneil?
The number on file is (707) 942-6888. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John C. Oneil's NPI number?
John C. Oneil's National Provider Identifier is 1952573826. 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
How long has John C. Oneil been practicing?
John C. Oneil has 18+ years experience. Registered with an NPI since 2008. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has John C. Oneil confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John C. Oneil. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.