Megan M. Irwin, PA-C
Medical Physician Assistant · Mount Vernon, WA
Megan M. Irwin, PA-C is a medical physician assistant with a practice address in Mount Vernon, Washington, and NPI 1326309113, issued on Jun 7, 2012. Check the license (Washington PA60302799, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Megan M. Irwin
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- PA60302799 WA
PA22216 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2320 Freeway Dr, Mount Vernon, WA 98273
- Phone
- (360) 428-2550
- Enumerated
- Jun 7, 2012
- Record last updated
- Nov 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (360) 428-6402
- Medicare enrollment
- Enrolled (PECOS I20130429000722); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,068 in Washington → Look up another NPI →
Also registered at 2320 Freeway Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Megan M. Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60302799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average medical physician assistant in 2024
1,812 Medicare Part D claims for 226 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Methotrexate230 claims
- Hydroxychloroquine Sulfate224 claims
- Leflunomide177 claims
- Prednisone159 claims
- Sulfasalazine126 claims
- Allopurinol93 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: $104.58
6 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.
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
- Public Hospital Dist NO 1 SkagitMount Vernon, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Megan M. Irwin among 1,068 medical physician assistant records in Washington
Megan M. Irwin, 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 2012, is newer than 61% of them.
- NPI issued2012 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2011 · 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).
23 medical 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 1,068 medical physician assistant records in Washington.
All 1,068 in Washington → Every provider in Mount Vernon → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Laura Grantham, PACMount Vernon, WA 982731609171347
- Lazia Van Wieringen, PA-CMount Vernon, WA 982731871114645
- Luke Walters, PA-CMount Vernon, WA 982731043577562
- Patrick Barnes, PA-CMonroe, WA 982721821260118
- Larry Carnes, PA-CMount Vernon, WA 982741649238205
- Christi Dahlgren, PA-CMonroe, WA 982721710302831
- Curtis Freeman, PA-CMount Vernon, WA 982741730129495
- Jacob Grillo, PA-CMonroe, WA 982721043612575
Common questions
What is Megan M. Irwin, PA-C's NPI number?
Megan M. Irwin, PA-C's National Provider Identifier (NPI) is 1326309113, issued on Jun 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Megan M. Irwin, PA-C located?
The NPPES record lists a practice address at 2320 Freeway Dr, Mount Vernon, WA, 98273. Phone: (360) 428-2550. Providers update this record themselves, so call before visiting.
How can I verify Megan M. Irwin, PA-C's license?
NPPES lists Washington license number PA60302799, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Megan M. Irwin, PA-C prescribe under Medicare Part D?
In 2024, Megan M. Irwin, PA-C had 1,812 Medicare Part D claims for 226 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.