Rhonda Marcia Williams, M.D.
Psychiatry Physician · North Hills, CA
Rhonda Marcia Williams, M.D. is a psychiatry physician with a practice address in North Hills, California, and NPI 1295991750, issued on Aug 4, 2008. Check the license (California A100069, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rhonda Marcia Williams
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A100069 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16111 Plummer St # 116-A3, North Hills, CA 91343
- Phone
- (818) 891-7711
- Enumerated
- Aug 4, 2008
- Record last updated
- Nov 24, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (818) 895-9437
- Medicare enrollment
- Enrolled (PECOS I20150305001163); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Rhonda Marcia Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100069Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average psychiatry physician in 2024
302 Medicare Part D claims for 29 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Bupropion Xl51 claims
- Escitalopram Oxalate32 claims
- Lamotrigine25 claims
- Clonazepam23 claims
- Zolpidem Tartrate22 claims
- Lurasidone Hcl16 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
- Comprehensive Psychiatric Services A Medical GroupEncino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rhonda Marcia Williams among 8,673 psychiatry physician records in California
Rhonda Marcia Williams, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2005 · median 2005 among the 3,295 with a school on file
- Record last updated2015 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 psychiatry physician records list a practice address in North Hills
They are 13 of the 806 NPPES records with a practice address in North Hills, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in North Hills → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Mara Blakis, M.DNorth Hills, CA 913431497867634
- Young Mee Choi, M.D.North Hills, CA 913431023115722
- Neel Doshi, D.O.North Hills, CA 913431225289580
- Yamanda Edwards, M.D.North Hills, CA 913431396180428
- Ed Fik, MDSepulveda, CA 913431669425542
- Christopher Kessler, M.D.Sepulveda, CA 913431730290909
- Elliot Lee, M.D.North Hills, CA 913431093126021
- James Mervis, M.D.North Hills, CA 913431831276450
Common questions
What is Rhonda Marcia Williams, M.D.'s NPI number?
Rhonda Marcia Williams, M.D.'s National Provider Identifier (NPI) is 1295991750, issued on Aug 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Rhonda Marcia Williams, M.D. located?
The NPPES record lists a practice address at 16111 Plummer St # 116-A3, North Hills, CA, 91343. Phone: (818) 891-7711. Providers update this record themselves, so call before visiting.
How can I verify Rhonda Marcia Williams, M.D.'s license?
NPPES lists California license number A100069, 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 Rhonda Marcia Williams, M.D. prescribe under Medicare Part D?
In 2024, Rhonda Marcia Williams, M.D. had 302 Medicare Part D claims for 29 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.