Margaret Jean Longley, PA-C
Physician Assistant · Mount Vernon, WA
Margaret Jean Longley, PA-C is a physician assistant with a practice address in Mount Vernon, Washington, and NPI 1871152819, issued on Jun 12, 2019. Check the license (Washington PA60999977, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Jean Longley
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA60999977 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1415 E Kincaid St, Mount Vernon, WA 98274
- Phone
- (206) 992-8748
- Enumerated
- Jun 12, 2019
- Record last updated
- Jun 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191224000104); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 1415 E Kincaid St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmed Abou-ZeidStudent in an Organized Health Care Education/Training Program1770421026
- Thea Anderson, ARNPFamily Nurse Practitioner1316685100
- Precious Barnes, DOHospitalist Physician1477819159
- Asheesh Batra, DOStudent in an Organized Health Care Education/Training Program1235999830
- Erin Beck, PHARMDPharmacist1871844381
- Eric Bing, MDStudent in an Organized Health Care Education/Training Program1811647977
Verify Margaret Jean Longley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60999977Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average physician assistant in 2024
198 Medicare Part D claims for 151 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass29 claims
- Prednisone27 claims
- Cephalexin22 claims
- Nitrofurantoin Mono-Macro22 claims
- Doxycycline Hyclate16 claims
- Cefdinir13 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 one group practice
- 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).
Margaret Jean Longley among 3,718 physician assistant records in Washington
Margaret Jean Longley, 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 2019, is newer than 68% of them.
- NPI issued2019 · 68% of these records are older, 27% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2017 among the 2,460 with a school on file
- Record last updated2020 · 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
- Alan Clark, PA-CMount Vernon, WA 982741538196134
- 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
Common questions
What is Margaret Jean Longley, PA-C's NPI number?
Margaret Jean Longley, PA-C's National Provider Identifier (NPI) is 1871152819, issued on Jun 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Jean Longley, PA-C located?
The NPPES record lists a practice address at 1415 E Kincaid St, Mount Vernon, WA, 98274. Phone: (206) 992-8748. Providers update this record themselves, so call before visiting.
How can I verify Margaret Jean Longley, PA-C's license?
NPPES lists Washington license number PA60999977, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Jean Longley, PA-C prescribe under Medicare Part D?
In 2024, Margaret Jean Longley, PA-C had 198 Medicare Part D claims for 151 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.