Jay A. Keystone, M.D. is a healthcare provider in Vacaville, CA specialising in internal medicine. Jay trained at University of Michigan Medical School, graduating in 1970. Jay is also listed as specialising in allergy & immunology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Keystone is an internal medicine in Vacaville, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Dr. 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
The number on file is (707) 446-8581. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. 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
Dr. Keystone attended University of Michigan Medical School, graduating in 1970. This comes from the CMS National Downloadable File.
CMS public data
Dr. Keystone has 56 years experience. Calculated from a graduation year of 1970, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Keystone. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
365 EVERGREEN DR
Vacaville, CA 95688
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.