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Edit this profileAt a glance
- 365 Evergreen Dr, Vacaville, CA 95688
About Dr. Keystone
Jay A. Keystone, M.D. is a healthcare provider in Vacaville, CA specializing in internal medicine. Jay trained at University of Michigan Medical School, graduating in 1970. Jay is also listed as specializing in allergy & immunology. This provider record is associated with NPI 1306115001.
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
- (707) 446-8581
- Email not available
Practice Locations
365 EVERGREEN DR
Vacaville, CA 95688
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 in Vacaville 8
Same specialty, same city.
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1970 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Jay A. Keystone's specialty?
Jay A. Keystone is an internist in Vacaville, 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 Jay A. Keystone?
Jay A. Keystone is listed at 365 Evergreen Dr, Vacaville, CA 95688. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Jay A. Keystone?
The number on file is (707) 446-8581. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Jay A. Keystone?
Jay A. Keystone's National Provider Identifier is 1306115001. 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 Jay A. Keystone's education?
Jay A. Keystone attended University of Michigan Medical School, graduating in 1970. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Jay A. Keystone have?
Jay A. Keystone has 56 years experience. Calculated from a graduation year of 1970, reported in the CMS National Downloadable File.
CMS public data
Is Jay A. Keystone's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jay A. Keystone. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.