Alan W. Clark, PA-C
Physician Assistant · Mount Vernon, WA
Alan W. Clark, PA-C is a physician assistant with a practice address in Mount Vernon, Washington, and NPI 1538196134, issued on Jun 27, 2006. Check the license (Washington PA10004220, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alan W. Clark
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA10004220 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1401 S Laventure RD, Mount Vernon, WA 98274
- Phone
- (360) 424-2400
- Enumerated
- Jun 27, 2006
- Record last updated
- Aug 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (360) 424-2418
- Medicaid ID
- 8406258 WA
- Medicare enrollment
- Enrolled (PECOS I20090515000036); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 1401 S Laventure RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alan W. Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10004220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average physician assistant in 2024
223 Medicare Part D claims for 164 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 134 claims were for opioids.
Most prescribed
- Oxycodone Hcl108 claims
- Mupirocin39 claims
- Hydrocodone-Acetaminophen19 claims
- Ibuprofen11 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 3 group practices
- Multicare Health SystemKent, WA
- PeacehealthBellingham, WA
- Public Hospital District NO 2 Skagit County WashingtonAnacortes, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan W. Clark among 3,718 physician assistant records in Washington
Alan W. Clark, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% 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, 80% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2001 · median 2017 among the 2,460 with a school on file
- Record last updated2013 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 physician assistant records list a practice address in Mount Vernon
They are 23 of the 1,500 NPPES records with a practice address in Mount Vernon, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Mount Vernon → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Nino Boissonneault, PA-CMount Vernon, WA 982741881911105
- Kathryn Dougherty, PA-CMount Vernon, WA 982741346843695
- Alyssa Enghauser, PA-CMount Vernon, WA 982741730922402
- Richard Gerlach, PA-CMount Vernon, WA 982741629076591
- Ty Gulstrom, PA- CMount Vernon, WA 982741558306373
- Natalie HoyteMount Vernon, WA 982741558853374
- Evelina Kravchuk, PA-CMount Vernon, WA 982741962117853
- Margaret Longley, PA-CMount Vernon, WA 982741871152819
Common questions
What is Alan W. Clark, PA-C's NPI number?
Alan W. Clark, PA-C's National Provider Identifier (NPI) is 1538196134, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan W. Clark, PA-C located?
The NPPES record lists a practice address at 1401 S Laventure RD, Mount Vernon, WA, 98274. Phone: (360) 424-2400. Providers update this record themselves, so call before visiting.
How can I verify Alan W. Clark, PA-C's license?
NPPES lists Washington license number PA10004220, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Alan W. Clark, PA-C prescribe under Medicare Part D?
In 2024, Alan W. Clark, PA-C had 223 Medicare Part D claims for 164 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.