David B Williams, MD - Medicare Internal Medicine in Vallejo, CA

David B Williams, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Vallejo, California. His current practice location is 975 Sereno Dr, Vallejo, California. You can reach out to his office (for appointments etc.) via phone at (707) 651-1000.

David B Williams is licensed to practice in California (license number G17557) 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 1922186816.

Contact Information

David B Williams, MD
975 Sereno Dr,
Vallejo, CA 94589-2441
(707) 651-1000
Not Available

Map and Direction




Physician's Profile

Full NameDavid B Williams
GenderMale
SpecialityInternal Medicine - Cardiovascular Disease
Location975 Sereno Dr, Vallejo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1922186816
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5496041261
  • Enrollment ID: I20160902000183

Medical Identifiers

Medical identifiers for David B Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1922186816NPI-NPPES
00G175570MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease G17557 (California)Primary

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 B Williams 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 B Williams, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3429

Ph: (510) 625-6262
David B Williams, MD
975 Sereno Dr,
Vallejo, CA 94589-2441

Ph: (707) 651-1000

Reviews and Comments


Internal Medicine Doctors in Vallejo, CA

Dr. Joseph Ignatius Azalde, MD
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 1617 Broadway St, Vallejo, CA 94590
Phone: 707-556-3708    Fax: 707-556-3755
Jeffrey T. Wei, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-1000    
Lauran H. Mizock, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-1000    
Scarlet Ophelia Mcclure, MD
Cardiovascular Disease
Medicare: Medicare Enrolled
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-2729    
Dr. Chainarong Limvarapuss, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 100 Hospital Dr, Suite # 110, Vallejo, CA 94589
Phone: 707-551-3300    Fax: 707-551-3301
Misa Stroker, M.D., PHARM.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 300 Hospital Dr, Vallejo, CA 94589
Phone: 707-554-4444    
Bruce C. Clark, MD
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-1000    

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.