NPPES file of Aug 9, 2026

Janelisa Williams, PA-C

Medical Physician Assistant · Olympia, WA

Janelisa Williams, PA-C is a medical physician assistant with a practice address in Olympia, Washington, and NPI 1922022847, issued on Jul 26, 2006. Check the license (Washington PA10004721, as entered in NPPES) with the Washington 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
1922022847
Name
Janelisa Williams
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA10004721 WA
Self-reported in NPPES; status is on the state search
Practice location
209 Lilly RD NE, Olympia, WA 98506
Phone
(360) 413-8250
Enumerated
Jul 26, 2006
Record last updated
Apr 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(360) 413-8830
Medicare enrollment
Enrolled (PECOS I20041214001002); accepts Medicare assignment
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 209 Lilly RD NE

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

  1. Teresa Abernathy, ARNPFamily Nurse Practitioner1124454533
  2. Jason Aitken, DNP, CRNACertified Registered Nurse Anesthetist1780060491
  3. Montana Blackley, CRNACertified Registered Nurse Anesthetist1386095891
  4. Melissa Bluestein-Rogers, FNP-CFamily Nurse Practitioner1841949708
  5. Harpreet Brar, MDGastroenterology Physician1528058658
  6. Frank Brown, MDClinical Pathology/Laboratory Medicine Physician1245289560

Verify Janelisa Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PA10004721
    Check 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
Find the Washington 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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71% fewer Medicare Part D claims than the average medical physician assistant in 2024

331 Medicare Part D claims for 110 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Janelisa Williams331
  2. Specialty average1,148

Most prescribed

  1. Omeprazole28 claims
  2. Famotidine25 claims
  3. Peg-3350 And Electrolytes24 claims
  4. Pantoprazole Sodium23 claims
  5. Azathioprine20 claims
  6. Rinvoq18 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: $197.54

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Janelisa Williams$197.54
  2. Specialty average$1,055.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Gastroenterology Associates Clinical Practice PLLCOlympia, WA
  2. Puget Sound Gastroenterology PLLCKirkland, WA

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

Janelisa Williams among 1,068 medical physician assistant records in Washington

Janelisa Williams, PA-C is one of 1,068 medical physician assistant records with a practice address in Washington. 66% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 68% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2004 · median 2013 among the 581 with a school on file
  • Record last updated2021 · 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 363AM0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Washington

There are 1,068 medical physician assistant records in Washington.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Jeffrey Ernst, PAC, ATCOlympia, WA 985061275507188
  2. Kara Kime, PA-COlympia, WA 985061700345196
  3. Elinor Laforge, PA-COlympia, WA 985061578656039
  4. John Lewicki, PAOlympia, WA 985061619093069
  5. Victoria Moore, PACOlympia, WA 985061912988650
  6. John O'Neill, PAOlympia, WA 985061124153317
  7. Gregory Pendle, PA-COlympia, WA 985061174780282
  8. Brian Reiton, OPA-COlympia, WA 985061326293085

Common questions

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

Janelisa Williams, PA-C's National Provider Identifier (NPI) is 1922022847, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Janelisa Williams, PA-C located?

The NPPES record lists a practice address at 209 Lilly RD NE, Olympia, WA, 98506. Phone: (360) 413-8250. Providers update this record themselves, so call before visiting.

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

NPPES lists Washington license number PA10004721, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

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

In 2024, Janelisa Williams, PA-C had 331 Medicare Part D claims for 110 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.