JAY A. KEYSTONE M.D.
NPI 1306115001
Internal Medicine - Allergy & Immunology in Vacaville, CA

Q: What is Jay Keystone's NPI number?

The NPI number for Jay Keystone is 1306115001. It was assigned to this individual provider in the NPPES registry on December 26, 2011.

Q: What is Jay Keystone's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Q: When was this NPI record last updated?

The NPPES record for Jay Keystone was last updated on April 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 26, 2011PECOS Enrolled

365 EVERGREEN DR, VACAVILLE, CA 95688(707) 446-8581(707) 446-8581 Get Directions Write a Review

NPPES record last updated: April 9, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Jay A. Keystone M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JAY A. KEYSTONE M.D. (NPI 1306115001) is an individual allergy & immunology provider in Vacaville, California, licensed in California (C29865) and active in the NPI registry since December 2011. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1970).

NPPES Registry Identity

NPI1306115001

Entity TypeIndividualMale

Primary Taxonomy207RA0201X

Provider Legal NameJAY A. KEYSTONECredential: M.D.

Location Address365 EVERGREEN DRVacaville, CA 95688-2136

Mailing Address365 Evergreen DrVacaville, CA 95688-2136 · (707) 446-8581 · Fax (707) 446-8581

Phone(707) 446-8581

Fax(707) 446-8581

Sole ProprietorYes

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1970

Enumeration DateDecember 26, 2011

Last NPPES UpdateApril 9, 2020

NPPES CertifiedApril 9, 2020

✔ NPI 1306115001 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207RA0201X

License✔ Licensed in CA · C29865

Definition

An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

Also ListedAllergy & ImmunologyTaxonomy 207K00000X · License C29865 (CA)

Also ListedInternal MedicineTaxonomy 207R00000X · License C29865 (CA)

365 EVERGREEN DR, Vacaville, CA 95688

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jay A. Keystone M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8325383250

PECOS Enrollment IDI20181221001193

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95688 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$145.83 typical visit price

range $65.02 – $191.95

Typical copayment $36.45 (range $16.25 – $47.98)

Most-billed visit code 99204

Established Patient

$80.24 typical visit price

range $21.86 – $157.69

Typical copayment $20.06 (range $5.46 – $39.42)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jay Keystone's NPI number?

The NPI number for Jay Keystone is 1306115001. It was assigned to this individual provider in the NPPES registry on December 26, 2011.

Where is Jay Keystone located?

Jay Keystone practices at 365 Evergreen Dr, Vacaville, CA 95688. The listed phone number is (707) 446-8581.

What is Jay Keystone's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is Jay Keystone enrolled in Medicare?

Yes. Jay Keystone is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jay Keystone was last updated on April 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.