NPPES file of Aug 9, 2026

Chrystelle Williams, PA-C

Physician Assistant · Van Nuys, CA

Chrystelle Williams, PA-C is a physician assistant with a practice address in Van Nuys, California, and NPI 1023103413, issued on Oct 3, 2006. Check the license with the California board that licenses this profession; 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
1023103413
Name
Chrystelle Williams
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
15211 Vanowen St Ste 105, Van Nuys, CA 91405
Phone
(818) 997-7711
Enumerated
Oct 3, 2006
Record last updated
Dec 6, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(818) 530-4262
Medicare enrollment
Enrolled (PECOS I20260420001771); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 2005
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 15211 Vanowen St Ste 105

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

  1. Sarah Ahdout, PA-CPhysician Assistant1497487722
  2. Maria Castillo, PHYSICAL THERAPISTPhysical Therapist1548753577
  3. Emily Christel, PA-CPhysician Assistant1376142414
  4. Jordyn Morris, PA-SPhysician Assistant1881431609

Verify Chrystelle Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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72% fewer Medicare Part D claims than the average physician assistant in 2024

236 Medicare Part D claims for 65 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Chrystelle Williams236
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium26 claims
  2. Hydrochlorothiazide12 claims
  3. Amlodipine Besylate11 claims
  4. Metformin Hcl11 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: $29.98

1 payment: food and beverage; the largest payer was Daiichi Sankyo Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chrystelle Williams$29.98
  2. Specialty average$841.65

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. Carbon Health Medical Group OF California PCLong Beach, CA

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

56 physician assistant records list a practice address in Van Nuys

They are 56 of the 4,323 NPPES records with a practice address in Van Nuys, and 14,451 physician assistant records in California.

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Terri Abbott, P.A.La Jolla, CA1811165566
  10. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334

Common questions

What is Chrystelle Williams, PA-C's NPI number?

Chrystelle Williams, PA-C's National Provider Identifier (NPI) is 1023103413, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chrystelle Williams, PA-C located?

The NPPES record lists a practice address at 15211 Vanowen St Ste 105, Van Nuys, CA, 91405. Phone: (818) 997-7711. Providers update this record themselves, so call before visiting.

How can I verify Chrystelle Williams, PA-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Chrystelle Williams, PA-C prescribe under Medicare Part D?

In 2024, Chrystelle Williams, PA-C had 236 Medicare Part D claims for 65 beneficiaries; the average among physician assistant prescribers was 830. 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.