David Douglas Waters, MD - Medicare Internal Medicine in San Francisco, CA

David Douglas Waters, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in San Francisco, California. His current practice location is 1001 Potrero Avenue, Rm 5g1, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 206-3503.

David Douglas Waters is licensed to practice in California (license number C50282) 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 1508808122.

Contact Information

David Douglas Waters, MD
1001 Potrero Avenue, Rm 5g1,
San Francisco, CA 94110-3518
(415) 206-3503
(415) 206-5100

Map and Direction




Physician's Profile

Full NameDavid Douglas Waters
GenderMale
SpecialityInternal Medicine - Cardiovascular Disease
Location1001 Potrero Avenue, San Francisco, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1508808122
  • Provider Enumeration Date: 06/11/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 1153461199
  • Enrollment ID: I20091222000631

Medical Identifiers

Medical identifiers for David Douglas Waters such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1508808122NPI-NPPES
00C502820MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine C50282 (California)Primary
207RC0000XInternal Medicine - Cardiovascular Disease C50282 (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. David Douglas Waters allows following entities to bill medicare on his behalf.
Entity NameCity & County Of San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982737524
PECOS PAC ID: 1658280748
Enrollment ID: O20050309000770
Entity NameUniversity Of California Sfgh Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386619344
PECOS PAC ID: 5496668410
Enrollment ID: O20050401000140

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. David Douglas Waters 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
David Douglas Waters, MD
Po Box 7464,
San Francisco, CA 94120-7464

Ph: (415) 206-3103
David Douglas Waters, MD
1001 Potrero Avenue, Rm 5g1,
San Francisco, CA 94110-3518

Ph: (415) 206-3503

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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