NPPES file of Aug 9, 2026

Patricia Louise Williams, PA-C

Medical Physician Assistant · Seattle, WA

Patricia Louise Williams, PA-C is a medical physician assistant with a practice address in Seattle, Washington, and NPI 1386982155, issued on Jan 29, 2013. Check the license (Washington 1107985, 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
1386982155
Name
Patricia Louise Williams
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
1107985 WA
Self-reported in NPPES; status is on the state search
Practice location
201 16TH Ave E, Seattle, WA 98112
Phone
(206) 326-3000
Enumerated
Jan 29, 2013
Record last updated
May 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250317001936); 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.
Download card Updates feed

Also registered at 201 16TH Ave E

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

  1. Farangis Abab, RNHome Health Registered Nurse1639473408
  2. Joonis Abdulkhader, M.D.Family Medicine Physician1518154335
  3. Bashir Abumenjel, REGISTERED NURSEHome Health Registered Nurse1275352510
  4. Stephanie Abutin, ,MS, CCC-SLPSpeech-Language Pathologist1902522444
  5. Christopher Adrig, PA-CPhysician Assistant1184606089
  6. Sanjay Agarwal, MD, FCCP, FAASMSleep Medicine (Internal Medicine) Physician1477523249

Verify Patricia Louise 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 1107985
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

79% fewer Medicare Part D claims than the average medical physician assistant in 2024

241 Medicare Part D claims for 166 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Patricia Williams241
  2. Specialty average1,148

Most prescribed

  1. Prednisone50 claims
  2. Cephalexin14 claims
  3. Cefuroxime13 claims
  4. Amoxicillin-Clavulanate Potass11 claims
  5. Mupirocin11 claims
  6. Ondansetron Odt11 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: $99.87

1 payment: food and beverage; the largest payer was Grifols USA, LLC. 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. Patricia Williams$99.87
  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. Commonwealth Healthcare CorporationSaipan, MP
  2. Kaiser Foundation Health Plan OF WashingtonTacoma, WA

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

Patricia Louise Williams among 1,068 medical physician assistant records in Washington

Patricia Louise 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 2013, is newer than 65% of them.

  • NPI issued2013 · 65% of these records are older, 33% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2012 · 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. Kanthi Akkineni, PA-CSeattle, WA 981121346649282
  2. Bridget Albright, PHYSICIAN ASSISTANTSeattle, WA 981121124217583
  3. Jasmine Bentley, PA-CSeattle, WA 981121972972818
  4. Troy Chatwin, P.A.Seattle, WA 981121518014919
  5. Miriam Dick, P.A.Seattle, WA 981121679617534
  6. Larry Dunlap, PA-CSeattle, WA 981121477699239
  7. Robert Fisse, PA-CSeattle, WA 981121295714194
  8. Kathy Kline, P.A.Seattle, WA 981121881746386

Common questions

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

Patricia Louise Williams, PA-C's National Provider Identifier (NPI) is 1386982155, issued on Jan 29, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Patricia Louise Williams, PA-C located?

The NPPES record lists a practice address at 201 16TH Ave E, Seattle, WA, 98112. Phone: (206) 326-3000. Providers update this record themselves, so call before visiting.

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

NPPES lists Washington license number 1107985, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

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

In 2024, Patricia Louise Williams, PA-C had 241 Medicare Part D claims for 166 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.