Rachael Yuson Williams, M.D.
Surgery Physician · West Hills, CA
Rachael Yuson Williams, M.D. is a surgery physician with a practice address in West Hills, California, and NPI 1386887362, issued on Apr 7, 2009. Check the license (California 159969, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rachael Yuson Williams
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 159969 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7325 Medical Center Dr Ste 200, West Hills, CA 91307
- Phone
- (818) 981-2050
- Enumerated
- Apr 7, 2009
- Record last updated
- Jan 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (818) 981-2382
- Medicare enrollment
- Enrolled (PECOS I20190216000144); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 7325 Medical Center Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Azizian, PAPhysician Assistant1487382537
Verify Rachael Yuson Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 159969Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average surgery physician in 2024
179 Medicare Part D claims for 53 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 13 claims were for opioids.
Most prescribed
- Doxycycline Hyclate21 claims
- Levofloxacin21 claims
- Clindamycin Hcl19 claims
- Mupirocin16 claims
- Nyamyc12 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: $900.19
21 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Grossman Medical Group IncBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachael Yuson Williams among 3,118 surgery physician records in California
Rachael Yuson Williams, M.D. is one of 3,118 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 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2009 · median 2003 among the 1,901 with a school on file
- Record last updated2019 · 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 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in West Hills → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Frank Candela, M.D., F.A.C.S.West Hills, CA 913071699700492
- Edwin Garcia, MDWest Hills, CA 913071154634251
- William Park, M.D.Bell Canyon, CA 913071164470829
- Mahbod Paya, M.D.West Hills, CA 913071316098841
- David Schreier, M.D.West Hills, CA 913071275568081
- Harvey Kalan, M.D.Calabasas, CA 913021922336734
- Winnie Lee, M.D.Calabasas, CA 913021023028776
- Peter Hong, MDEncino, CA 913161518012988
Common questions
What is Rachael Yuson Williams, M.D.'s NPI number?
Rachael Yuson Williams, M.D.'s National Provider Identifier (NPI) is 1386887362, issued on Apr 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Rachael Yuson Williams, M.D. located?
The NPPES record lists a practice address at 7325 Medical Center Dr Ste 200, West Hills, CA, 91307. Phone: (818) 981-2050. Providers update this record themselves, so call before visiting.
How can I verify Rachael Yuson Williams, M.D.'s license?
NPPES lists California license number 159969, 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 Rachael Yuson Williams, M.D. prescribe under Medicare Part D?
In 2024, Rachael Yuson Williams, M.D. had 179 Medicare Part D claims for 53 beneficiaries; the average among surgery physician prescribers was 147. 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.