Jamey J Rock, MD - Medicare Emergency Medicine in Fremont, CA

Jamey J Rock, MD is a medicare enrolled "Emergency Medicine" physician in Fremont, California. He went to State University Of Ny Upstate Medical University and graduated in 1999 and has 25 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 39400 Paseo Padre Pkwy, Fremont, California. You can reach out to his office (for appointments etc.) via phone at (510) 795-3000.

Jamey J Rock is licensed to practice in California (license number A79068) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1083799746.

Contact Information

Jamey J Rock, MD
39400 Paseo Padre Pkwy,
Fremont, CA 94538-2310
(510) 795-3000
Not Available

Map and Direction




Physician's Profile

Full NameJamey J Rock
GenderMale
SpecialityEmergency Medicine
Experience25 Years
Location39400 Paseo Padre Pkwy, Fremont, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Jamey J Rock attended and graduated from State University Of Ny Upstate Medical University in 1999
  NPI Data:
  • NPI Number: 1083799746
  • Provider Enumeration Date: 10/25/2006
  • Last Update Date: 12/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6709062573
  • Enrollment ID: I20110511000475

Medical Identifiers

Medical identifiers for Jamey J Rock such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083799746NPI-NPPES
00A790680MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A79068 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - San LeandroSan leandro, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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. Jamey J Rock allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Jamey J Rock 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
Jamey J Rock, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Jamey J Rock, MD
39400 Paseo Padre Pkwy,
Fremont, CA 94538-2310

Ph: (510) 795-3000

Reviews and Comments


Emergency Medicine Doctors in Fremont, CA

Jerry Vann Martin, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2500 Mowry Ave, Suite 212, Fremont, CA 94538
Phone: 510-608-6174    Fax: 510-745-6435
Lisa L. Minshall, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone: 510-795-3000    
Dr. Usha Rengarajan, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 3200 Kearney St, Fremont, CA 94538
Phone: 510-490-1222    
Dr. Shelly Verma, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3200 Kearney St, Fremont, CA 94538
Phone: 510-490-1222    
Adele S Hultin, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone: 510-795-3000    
Stephen L Montgomery, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2000 Mowry Ave, Fremont, CA 94538
Phone: 510-791-3430    

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.