Jay A Keystone, MD in Vacaville, CA - Medicare Internal Medicine

Jay A Keystone, MD is a medicare enrolled "Internal Medicine - Allergy & Immunology" physician in Vacaville, California. His current practice location is 365 Evergreen Dr, Vacaville, California. You can reach out to his office (for appointments etc.) via phone at (707) 446-8581.

Jay A Keystone is licensed to practice in California (license number C29865) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1306115001.

Contact Information

	Jay A Keystone, MD
	365 Evergreen Dr, Vacaville, CA 95688-2136
	(707) 446-8581
	(707) 446-8581

Map and Direction

Physician's Profile

Full Name	Jay A Keystone
Gender	Male
Speciality	Internal Medicine - Allergy & Immunology
Location	365 Evergreen Dr, Vacaville, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1306115001
Provider Enumeration Date: 12/26/2011
Last Update Date: 04/09/2020

Medicare PECOS Information:

PECOS PAC ID: 8325383250
Enrollment ID: I20181221001193

Medical Identifiers

Medical identifiers for Jay A Keystone such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1306115001	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207K00000X	Allergy & Immunology	C29865 (California)	Secondary
207R00000X	Internal Medicine	C29865 (California)	Secondary
207RA0201X	Internal Medicine - Allergy & Immunology	C29865 (California)	Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Jay A Keystone allows following entities to bill medicare on his behalf.

Entity Name	Cares Community Health
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1447297379 PECOS PAC ID: 2769418151 Enrollment ID: O20050718000377

Entity Name	Plushcare Of California Inc A Professional Corporation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1811378987 PECOS PAC ID: 2365707163 Enrollment ID: O20180529000602

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Jay A Keystone is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Jay A Keystone, MD 365 Evergreen Dr, Vacaville, CA 95688-2136 Ph: (707) 446-8581	Jay A Keystone, MD 365 Evergreen Dr, Vacaville, CA 95688-2136 Ph: (707) 446-8581

Reviews and Comments

Internal Medicine Doctors in Vacaville, CA

Dr. Jason Rohrer, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: Po Box 4000, Vacaville, CA 95696 Phone: 707-451-0182
Liyan Zhang, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1 Quality Dr, Vacaville, CA 95688 Phone: 707-453-5000
Marissa C. Neis-gimenez, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 1 Quality Dr, Vacaville, CA 95688 Phone: 707-453-5000
David M Woodhouse, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 770 Mason St, Vacaville, CA 95688 Phone: 707-454-5800 Fax: 707-454-5911
Richard M Tan, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 2100 Peabody Rd., Vacaville, CA 95696 Phone: 707-451-0182
Bethlehem Haile, M.D Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1600 California Dr, Vacaville, CA 95687 Phone: 707-453-7007 Fax: 707-453-7009
Gregory Yervant Warner, D.O. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1010 Nut Tree Rd, Suite 100b, Vacaville, CA 95687 Phone: 707-624-7999 Fax: 707-624-7998

Jay A Keystone, MD - Medicare Internal Medicine in Vacaville, CA