David McCann Williams, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · La Jolla, CA
David McCann Williams, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in La Jolla, California, and NPI 1215347851, issued on May 5, 2014. Check the license (California C205978, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David McCann Williams
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- C205978 CA
301498 NY
Self-reported in NPPES; status is on the state search - Practice location
- 9898 Genesee Ave, La Jolla, CA 92037
- Phone
- (858) 824-5363
- Enumerated
- May 5, 2014
- Record last updated
- Feb 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20260310002361); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 634 in California → Look up another NPI →
Also registered at 9898 Genesee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omar Al-Nouri, D.O.Vascular Surgery Physician1770742264
- Bella Albakova, PASurgical Physician Assistant1013020809
- Rawaa Almukhtar, M.D., MPHDermatology Physician1003202409
- Eneh-Lieh Ancheta, NPNurse Practitioner1477067981
- Bruce Armstrong, P.A.-C. , MHSPhysician Assistant1003915042
- Anshuman Bansal, M.D.Vascular & Interventional Radiology Physician1366685273
Verify David McCann Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C205978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
112 Medicare Part D claims for 34 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Metoprolol Tartrate31 claims
- Atorvastatin Calcium16 claims
- Eliquis14 claims
- Pantoprazole Sodium11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $688.21
56 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Scripps HealthLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David McCann Williams among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California
David McCann Williams, M.D. is one of 634 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 84% of them.
- NPI issued2014 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2014 · median 1997 among the 408 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in California
There are 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California.
All 634 in California → Every provider in La Jolla → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Sam Baradarian, M.D.La Jolla, CA 920371588646103
- Scot Brewster, MDLa Jolla, CA 920371568469815
- Donald Buehler, MDLa Jolla, CA 920371588661839
- Alexander Giritsky, MDLa Jolla, CA 920371457358707
- Andrew Harding, M.D.La Jolla, CA 920371124475355
- Kayvan Kazerouni, MDLa Jolla, CA 920371558822932
- Ghassan Moasis, MDLa Jolla, CA 920371932547122
- Andrew Nasseri, MDLa Jolla, CA 920371558386367
Common questions
What is David McCann Williams, M.D.'s NPI number?
David McCann Williams, M.D.'s National Provider Identifier (NPI) is 1215347851, issued on May 5, 2014. An NPI identifies a provider in billing; it is not a license.
Where is David McCann Williams, M.D. located?
The NPPES record lists a practice address at 9898 Genesee Ave, La Jolla, CA, 92037. Phone: (858) 824-5363. Providers update this record themselves, so call before visiting.
How can I verify David McCann Williams, M.D.'s license?
NPPES lists California license number C205978, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David McCann Williams, M.D. prescribe under Medicare Part D?
In 2024, David McCann Williams, M.D. had 112 Medicare Part D claims for 34 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.