Dr Marissa Castro Fernandez Kiemele, MD - Medicare Family Practice in San Rafael, CA

Dr Marissa Castro Fernandez Kiemele, MD is a medicare enrolled "Family Medicine" physician in San Rafael, California. She graduated from medical school in 1995 and has 31 years of diverse experience with area of expertise as Family Practice. She is a member of the group practice Greater New Bedford Community Health Center Inc and her current practice location is 4000 Civic Center Dr Ste 200b, San Rafael, California. You can reach out to her office (for appointments etc.) via phone at (415) 492-3333.

Dr Marissa Castro Fernandez Kiemele is licensed to practice in California (license number C192860) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1144297516.

Contact Information

Dr Marissa Castro Fernandez Kiemele, MD
4000 Civic Center Dr Ste 200b,
San Rafael, CA 94903-5232
(415) 492-3333
(415) 492-3425

Map and Direction




Physician's Profile

Full NameDr Marissa Castro Fernandez Kiemele
GenderFemale
SpecialityFamily Practice
Experience31 Years
Location4000 Civic Center Dr Ste 200b, San Rafael, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Marissa Castro Fernandez Kiemele graduated from medical school in 1995
  NPI Data:
  • NPI Number: 1144297516
  • Provider Enumeration Date: 03/03/2006
  • Last Update Date: 07/01/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 0547212300
  • Enrollment ID: I20260521000769

Medical Identifiers

Medical identifiers for Dr Marissa Castro Fernandez Kiemele such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144297516NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 292453 (Massachusetts)Secondary
207Q00000XFamily Medicine 18726 (New Hampshire)Secondary
207Q00000XFamily Medicine C192860 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Southcoast Hospitals GroupFall river, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Greater New Bedford Community Health Center Inc721484881150

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. Dr Marissa Castro Fernandez Kiemele 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
Dr Marissa Castro Fernandez Kiemele, MD
4000 Civic Center Dr Ste 200b,
San Rafael, CA 94903-5232

Ph: (415) 492-3333
Dr Marissa Castro Fernandez Kiemele, MD
4000 Civic Center Dr Ste 200b,
San Rafael, CA 94903-5232

Ph: (415) 492-3333

Reviews and Comments


Family Medicine Doctors in San Rafael, CA

Maitri Mehta, DO
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Phone: 415-444-2000    
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Phone: 415-499-0966    Fax: 415-446-0118
Daniel Aaron Smith, MD
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Phone: 415-444-4873    
Michael A Frumkin, MD
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Medicare: Not Enrolled in Medicare
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Phone: 315-415-6865    
Mrs. Meenal Sunit Lohtia, M.D.
Family Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 4000 Civic Center Drive, Suite 200, San Rafael, CA 94903
Phone: 415-492-3333    Fax: 415-492-3425
Dr. Charles C. Palmigiano, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 920 Northgate Dr, Suite 6, San Rafael, CA 94903
Phone: 415-479-1022    Fax: 415-479-5305

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.