NPPES file of Aug 9, 2026

Vashaun Omar Williams, M.D.

Child & Adolescent Psychiatry Physician · Gardena, CA

Vashaun Omar Williams, M.D. is a child & adolescent psychiatry physician with a practice address in Gardena, California, and NPI 1730286527, issued on Sep 20, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730286527
Name
Vashaun Omar Williams
Credential
M.D.
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License numbers
ME 94842 FL
24930 SC
Self-reported in NPPES; status is on the state search
Practice location
1225 W 190TH St Ste 280, Gardena, CA 90248
Phone
(877) 515-8113
Enumerated
Sep 20, 2006
Record last updated
Jan 9, 2026
Fax
(877) 538-2102
Medicaid IDs
24930 SC
278669900 FL
Medicare enrollment
Enrolled (PECOS I20260108000893); accepts Medicare assignment
Medical or professional school
Morehouse School Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1225 W 190TH St Ste 280

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ebtessam AbdelbasetDay Training/Habilitation Specialist1407624125
  2. Mahmoud Aborabeh, MDPsychiatry Physician1720439672
  3. Adeshewa Adekunbi, MDChild & Adolescent Psychiatry Physician1083134829
  4. Olajumoke AdeyemiPsychiatric/Mental Health Nurse Practitioner1114323755
  5. Wendy Agyapong, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1164308656
  6. Felix Ahmedov, RNPsychiatric/Mental Health Registered Nurse1083372361

Verify Vashaun Omar Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $1,550.66

67 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 1,578 providers of this specialty with any payment received $1,427.96 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Vashaun Williams$1,550.66
  2. Specialty average$1,427.96

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

  1. Ehab Yacoub MD IncGardena, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Vashaun Omar Williams among 1,009 child & adolescent psychiatry physician records in California

Vashaun Omar Williams, M.D. is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 65% newer
  • In a Medicare fileYes · 55% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2002 · median 2005 among the 215 with a school on file
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in California

There are 1,009 child & adolescent psychiatry physician records in California.

The 8 child & adolescent psychiatry physician records with the nearest ZIP codes

  1. Adeshewa Adekunbi, MDGardena, CA 902481083134829
  2. Dawn Brown, M.D.Gardena, CA 902481740481118
  3. Ronald St. Hill, MDGardena, CA 902481316032147
  4. Duong Ho-Hoang, D.O., M.ED.Downey, CA 902421922364009
  5. Joseph Marquez, D.O.Downey, CA 902421902989528
  6. Elias Rodriguez, MEDICAL DOCTORDowney, CA 902421972684744
  7. Hadijat Audu, MDHuntington Park, CA 902551013544790
  8. Gayane Begoyan, M.D.Huntington Park, CA 902551427210954

Common questions

What is Vashaun Omar Williams, M.D.'s NPI number?

Vashaun Omar Williams, M.D.'s National Provider Identifier (NPI) is 1730286527, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Vashaun Omar Williams, M.D. located?

The NPPES record lists a practice address at 1225 W 190TH St Ste 280, Gardena, CA, 90248. Phone: (877) 515-8113. Providers update this record themselves, so call before visiting.

How can I verify Vashaun Omar Williams, M.D.'s license?

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.

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.