David Mccann Williams, MD - Medicare Thoracic Surgery in La Jolla, CA

  1. Home
  2. Thoracic Surgery (Cardiothoracic Vascular Surgery)
  3. CA
  4. La Jolla
David Mccann Williams, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in La Jolla, California. He went to West Virginia University School Of Medicine and graduated in 2014 and has 12 years of diverse experience with area of expertise as Thoracic Surgery. He is a member of the group practice Ellis Hospital, St. Peter's Health Partners Medical Associates, P.c. and his current practice location is 9898 Genesee Ave, La Jolla, California. You can reach out to his office (for appointments etc.) via phone at (858) 824-5363.

David Mccann Williams is licensed to practice in California (license number C205978) 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 1215347851.

Contact Information

David Mccann Williams, MD
9898 Genesee Ave,
La Jolla, CA 92037-1205
(858) 824-5363
Not Available

Map and Direction




Physician's Profile

Full NameDavid Mccann Williams
GenderMale
SpecialityThoracic Surgery
Experience12 Years
Location9898 Genesee Ave, La Jolla, 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:
  • David Mccann Williams attended and graduated from West Virginia University School Of Medicine in 2014
  NPI Data:
  • NPI Number: 1215347851
  • Provider Enumeration Date: 05/05/2014
  • Last Update Date: 02/23/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 4486670643
  • Enrollment ID: I20210513002333

Medical Identifiers

Medical identifiers for David Mccann Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215347851NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 301498 (New York)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) C205978 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ellis HospitalSchenectady, NYHospital
St Peter's HospitalAlbany, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ellis Hospital5890607410214
St. Peter's Health Partners Medical Associates, P.c.6103061189413

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 Mccann Williams allows following entities to bill medicare on his behalf.
Entity NameEllis Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487644993
PECOS PAC ID: 5890607410
Enrollment ID: O20031103000406
Entity NameNew York University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285826438
PECOS PAC ID: 1355232422
Enrollment ID: O20090822000026
Entity NameSt. Peter's Health Partners Medical Associates, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750626834
PECOS PAC ID: 6103061189
Enrollment ID: O20130321000567

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 Mccann 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 Mccann Williams, MD
10790 Rancho Bernardo Rd,
San Diego, CA 92127-5705

Ph: (858) 824-5363		David Mccann Williams, MD
9898 Genesee Ave,
La Jolla, CA 92037-1205

Ph: (858) 824-5363

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in La Jolla, CA

William Gang Wang, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 9898 Genesee Ave, La Jolla, CA 92037
Phone: 858-824-5363    Fax: 858-964-3112
Dr. Andrew Collins Harding, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: May Accept Medicare Assignments
Practice Location: 9898 Genesee Ave, La Jolla, CA 92037
Phone: 858-824-5363    
Dr. John J. Tyner, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 9898 Genesee Ave, La Jolla, CA 92037
Phone: 858-824-5363    
Richard Duane Stahl, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 9850 Genesee Ave, Ste 560, La Jolla, CA 92037
Phone: 858-455-6330    Fax: 858-455-5408
Alexander Serge Giritsky, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 9850 Genesee Ave, Ste 560, La Jolla, CA 92037
Phone: 858-455-6330    Fax: 858-455-5408
Scot A Brewster, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 9850 Genesee Ave, Ste 560, La Jolla, CA 92037
Phone: 858-455-6330    Fax: 858-455-5408

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.