Mariam Gheissari, - Medicare Family Medicine in Ventura, CA

Mariam Gheissari, is a medicare enrolled "Family Medicine" physician in Ventura, California. Her current practice location is 147 N Brent St, Ventura, California. You can reach out to her office (for appointments etc.) via phone at (805) 948-5672.

Mariam Gheissari is licensed to practice in California (license number 19944) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1265052633.

Contact Information

Mariam Gheissari,
147 N Brent St,
Ventura, CA 93003-2809
(805) 948-5672
Not Available

Map and Direction




Physician's Profile

Full NameMariam Gheissari
GenderFemale
SpecialityFamily Medicine
Location147 N Brent St, Ventura, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1265052633
  • Provider Enumeration Date: 04/25/2020
  • Last Update Date: 08/04/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6002202314
  • Enrollment ID: I20231011003463

Medical Identifiers

Medical identifiers for Mariam Gheissari such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265052633NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 19944 (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. Mariam Gheissari allows following entities to bill medicare on her behalf.
Entity NameSharp Rees-stealy Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285616177
PECOS PAC ID: 8628972759
Enrollment ID: O20031120000996

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. Mariam Gheissari 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
Mariam Gheissari,
147 N Brent St,
Ventura, CA 93003-2809

Ph: () -
Mariam Gheissari,
147 N Brent St,
Ventura, CA 93003-2809

Ph: (805) 948-5672

Reviews and Comments


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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.