Dr Ryan Cook, MD - Medicare Family Medicine in San Rafael, CA

Dr Ryan Cook, MD is a medicare enrolled "Family Medicine" physician in San Rafael, California. His current practice location is 1650 Los Gamos Dr, San Rafael, California. You can reach out to his office (for appointments etc.) via phone at (415) 444-2000.

Dr Ryan Cook is licensed to practice in California (license number A187120) 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 1588284756.

Contact Information

Dr Ryan Cook, MD
1650 Los Gamos Dr,
San Rafael, CA 94903-1850
(415) 444-2000
Not Available

Map and Direction




Physician's Profile

Full NameDr Ryan Cook
GenderMale
SpecialityFamily Medicine
Location1650 Los Gamos Dr, San Rafael, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1588284756
  • Provider Enumeration Date: 04/17/2020
  • Last Update Date: 07/25/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6901253350
  • Enrollment ID: I20231107003340

Medical Identifiers

Medical identifiers for Dr Ryan Cook such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588284756NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A187120 (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. Dr Ryan Cook 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. Dr Ryan Cook 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 Ryan Cook, MD
441 Robin Dr,
Corte Madera, CA 94925-2129

Ph: (415) 623-4913
Dr Ryan Cook, MD
1650 Los Gamos Dr,
San Rafael, CA 94903-1850

Ph: (415) 444-2000

Reviews and Comments


Family Medicine Doctors in San Rafael, CA

Dr. Ann Hathaway, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 25 Mitchell Blvd, #3, San Rafael, CA 94903
Phone: 415-499-0966    Fax: 415-446-0118
Daniel Aaron Smith, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 99 Montecillo Rd, San Rafael, CA 94903
Phone: 415-444-4873    
Michael A Frumkin, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 30 Newport Way, San Rafael, CA 94901
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
Jay F. Fairborn, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 99 Montecillo Rd, San Rafael, CA 94903
Phone: 415-444-2000    
Suzanna Kay Sherer, NP
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 411 3rd St # 409, San Rafael, CA 94901
Phone: 415-854-7159    

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.