Dean Loller Rider, MD - Medicare Gastroenterology in San Francisco, CA

Dean Loller Rider, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in San Francisco, California. He graduated from medical school in 1979 and has 45 years of diverse experience with area of expertise as Gastroenterology. His current practice location is 3580 California Street, Suite 302, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 658-7497.

Dean Loller Rider is licensed to practice in Illinois (license number G401240) 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 1487759296.

Contact Information

Dean Loller Rider, MD
3580 California Street, Suite 302,
San Francisco, CA 94118-1725
(415) 658-7497
(415) 929-1307

Map and Direction




Physician's Profile

Full NameDean Loller Rider
GenderMale
SpecialityGastroenterology
Experience45 Years
Location3580 California Street, San Francisco, 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:
  • Dean Loller Rider graduated from medical school in 1979
  NPI Data:
  • NPI Number: 1487759296
  • Provider Enumeration Date: 09/14/2006
  • Last Update Date: 06/14/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2961509278
  • Enrollment ID: I20110228000782

Medical Identifiers

Medical identifiers for Dean Loller Rider such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1487759296NPI-NPPES
942983437OtherBLUE CROSS PERS CARE
942983437OtherUNITE HEALTH CARE TAX ID
942983437OtherBAY AREA AUTOMOTIVE WELFA
942983437OtherUNITED HEALTHCARE TAX ID
9429834370001OtherCIGNA HEALTHCARE
001800143OtherBLUE SHIELD HIGHMARK OF P
942983437OtherBLUE SHIELD OF CAL TAX ID
942983437OtherBLUE CROSS OF CA
5422000G401240OtherBLUE SHIELD OF CAL
942983437OtherSF CULINARY BARTENDERS WE
942983437OtherUNION LABOR LIFE INS
00G401240OtherCARE ADVANTAGE
013478OtherHILL PHYSICIANS MED GRP
00G401240OtherMEDICAL CALIF
00G401240OtherHEALTH PLAN OF SAN MATEO
600632OtherBROWN AND TOLAND MED GRP
942983437OtherLIFE INVESTORS INS CO OF
00G401240OtherBLUE SHIELD OF CAL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology G401240 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Mary's Medical CenterSan francisco, CAHospital

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. Dean Loller Rider 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
Dean Loller Rider, MD
Po Box 320670,
San Francisco, CA 94132

Ph: (415) 658-7497
Dean Loller Rider, MD
3580 California Street, Suite 302,
San Francisco, CA 94118-1725

Ph: (415) 658-7497

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).

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