Stephen G Provonsha, MD - Medicare General Practice in Riverside, CA

Stephen G Provonsha, MD is a medicare enrolled "General Practice" physician in Riverside, California. His current practice location is 10800 Magnolia Ave, Riverside, California. You can reach out to his office (for appointments etc.) via phone at (909) 353-2000.

Stephen G Provonsha is licensed to practice in California (license number G51217) 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 1598836413.

Contact Information

Stephen G Provonsha, MD
10800 Magnolia Ave,
Riverside, CA 92505-3043
(909) 353-2000
Not Available

Map and Direction




Physician's Profile

Full NameStephen G Provonsha
GenderMale
SpecialityGeneral Practice
Location10800 Magnolia Ave, Riverside, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1598836413
  • Provider Enumeration Date: 11/13/2006
  • Last Update Date: 11/30/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2264586353
  • Enrollment ID: I20090825000399

Medical Identifiers

Medical identifiers for Stephen G Provonsha such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598836413NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208D00000XGeneral Practice G51217 (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. Stephen G Provonsha allows following entities to bill medicare on his behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316979834
PECOS PAC ID: 6002729175
Enrollment ID: O20040126000823

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. Stephen G Provonsha 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
Stephen G Provonsha, MD
10800 Magnolia Ave,
Riverside, CA 92505-3043

Ph: (909) 353-2000
Stephen G Provonsha, MD
10800 Magnolia Ave,
Riverside, CA 92505-3043

Ph: (909) 353-2000

Reviews and Comments


General Practice Doctors in Riverside, CA

Joann Schneider, M.D.
General Practice
Medicare: Not Enrolled in Medicare
Practice Location: 6848 Magnolia Ave, Ste 130, Riverside, CA 92506
Phone: 951-683-1174    Fax: 951-682-1253
David Lee, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 7164 Magnolia Ave, Riverside, CA 92504
Phone: 951-787-8030    
William John Montgomery, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 4300 Central Ave, Riverside, CA 92506
Phone: 951-222-2206    Fax: 951-222-2106
Dr. Prabha Dhalla, M.D.
General Practice
Medicare: Not Enrolled in Medicare
Practice Location: 4343 Market St, Suite A, Riverside, CA 92501
Phone: 951-787-4880    Fax: 951-787-8628
Eric Kent Frykman, M.D.
General Practice
Medicare: Accepting Medicare Assignments
Practice Location: 7117 Brockton Ave, Riverside, CA 92506
Phone: 951-782-3715    Fax: 951-784-3275
Dr. David Farfan, MD
General Practice
Medicare: Not Enrolled in Medicare
Practice Location: 7877 Trey Ave, Riverside, CA 92503
Phone: 951-790-9226    
Dee W. Lim, MD
General Practice
Medicare: Not Enrolled in Medicare
Practice Location: 10800 Magnolia Ave, Riverside, CA 92505
Phone: 909-353-2000    

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.