Winifred Williams, M.D.
Internal Medicine Physician · Canoga Park, CA
Winifred Williams, M.D. is an internal medicine physician with a practice address in Canoga Park, California, and NPI 1982788253, issued on Oct 24, 2006. Check the license (California A70389, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Winifred Williams
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A70389 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7345 Topanga Canyon Blvd Ste 130, Canoga Park, CA 91303
- Phone
- (323) 434-0434
- Enumerated
- Oct 24, 2006
- Record last updated
- Feb 21, 2023
- Fax
- (562) 616-6619
- Medicaid ID
- 00A703890 CA
- Medicare enrollment
- Enrolled (PECOS I20050826000830); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Winifred Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70389Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,495 Medicare Part D claims for 219 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium210 claims
- Amlodipine Besylate98 claims
- Metformin Hcl98 claims
- Tamsulosin Hcl81 claims
- Omeprazole80 claims
- Losartan Potassium75 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.
Bills Medicare through one group practice
- Healthier Lifestyle Medical Group IncGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Winifred Williams among 17,696 internal medicine physician records in California
Winifred Williams, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1994 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Canoga Park
They are 8 of the 2,170 NPPES records with a practice address in Canoga Park, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Canoga Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Akhondi, MDCanoga Park, CA 913031437226347
- Jeremy Grosser, M.D.Canoga Park, CA 913031235123373
- Jay Lin, M.D.Canoga Park, CA 913031275551251
- Rami Shaarawy, M.D.Canoga Park, CA 913031154494755
- Sagi Cohen, M.D.Calabasas, CA 913021679872311
- Luz Delportillo, M.D.Calabasas, CA 913021760554026
- Sayeh Eshraghi, MDCalabasas, CA 913021750533345
- Nabil Feghali, MDCanoga Park, CA 913041982787057
Common questions
What is Winifred Williams, M.D.'s NPI number?
Winifred Williams, M.D.'s National Provider Identifier (NPI) is 1982788253, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Winifred Williams, M.D. located?
The NPPES record lists a practice address at 7345 Topanga Canyon Blvd Ste 130, Canoga Park, CA, 91303. Phone: (323) 434-0434. Providers update this record themselves, so call before visiting.
How can I verify Winifred Williams, M.D.'s license?
NPPES lists California license number A70389, 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 Winifred Williams, M.D. prescribe under Medicare Part D?
In 2024, Winifred Williams, M.D. had 2,495 Medicare Part D claims for 219 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.