Jay A Greenstein, MD - Medicare General Practice in Bakersfield, CA

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Jay A Greenstein, MD is a medicare enrolled "General Practice" physician in Bakersfield, California. His current practice location is 11309 Covent Gardens Dr, Bakersfield, California. You can reach out to his office (for appointments etc.) via phone at (661) 330-9294.

Jay A Greenstein is licensed to practice in California (license number A25998) 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 1982615696.

Contact Information

Jay A Greenstein, MD
11309 Covent Gardens Dr,
Bakersfield, CA 93311-9239
(661) 330-9294
(661) 665-8923

Map and Direction




Physician's Profile

Full NameJay A Greenstein
GenderMale
SpecialityGeneral Practice
Location11309 Covent Gardens Dr, Bakersfield, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1982615696
  • Provider Enumeration Date: 08/10/2006
  • Last Update Date: 02/27/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8628968716
  • Enrollment ID: I20040319001498

Medical Identifiers

Medical identifiers for Jay A Greenstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1982615696NPI-NPPES
00A259980MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A25998 (California)Secondary
208D00000XGeneral Practice A25998 (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 Greenstein allows following entities to bill medicare on his behalf.
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063542
PECOS PAC ID: 6103739131
Enrollment ID: O20031106000520
Entity NameChase Dennis Emergency Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033152350
PECOS PAC ID: 2264345172
Enrollment ID: O20040729000498
Entity NameTeam Physicians Of California Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447288345
PECOS PAC ID: 8224945084
Enrollment ID: O20040920000880
Entity NamePinnacle Emergency Physicians Of Bakersfield, A Professional Corp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619153251
PECOS PAC ID: 7214086321
Enrollment ID: O20090520000375
Entity NameSunshine Physician Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649725466
PECOS PAC ID: 3072893460
Enrollment ID: O20161130001458
Entity NameSignify Health Medical Associates Of California Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124685169
PECOS PAC ID: 8325370570
Enrollment ID: O20191022000320

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 Greenstein 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 AddressPractice Location Address
Jay A Greenstein, MD
11309 Covent Gardens Dr,
Bakersfield, CA 93311-9239

Ph: (661) 330-9294		Jay A Greenstein, MD
11309 Covent Gardens Dr,
Bakersfield, CA 93311-9239

Ph: (661) 330-9294

Reviews and Comments


General Practice Doctors in Bakersfield, CA

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Phone: 661-328-4284    Fax: 661-616-9977
Ms. Hanhey Moon, MD
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Phone: 661-835-2600    Fax: 661-835-2603

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.