Meghan Mosbo
Physician Assistant · Seattle, WA
Meghan Mosbo is a physician assistant with a practice address in Seattle, Washington, and NPI 1265859664, issued on Mar 24, 2014. Check the license (Washington PA60450541, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Meghan Mosbo
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA60450541 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9800 4TH Ave NE, Seattle, WA 98115
- Phone
- (206) 302-1200
- Enumerated
- Mar 24, 2014
- Record last updated
- Apr 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140708002576); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 9800 4TH Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donald Avriett, M.D.Family Medicine Physician1154475077
- Haley Bader, MAMental Health Counselor1932777000
- Ken Balter, PA CPhysician Assistant1497926778
- William Baluch, P.A.Medical Physician Assistant1467592121
- Jae Youn Bang, LICSWClinical Social Worker1477859957
- Kevin Beene, MDFamily Medicine Physician1649731126
Verify Meghan Mosbo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60450541Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average physician assistant in 2024
609 Medicare Part D claims for 197 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium45 claims
- Lisinopril36 claims
- Losartan Potassium32 claims
- Alvesco21 claims
- Levothyroxine Sodium20 claims
- Sumatriptan Succinate19 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
- Kaiser Foundation Health Plan OF WashingtonSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Meghan Mosbo among 3,718 physician assistant records in Washington
Meghan Mosbo 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 2014, is newer than 44% of them.
- NPI issued2014 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2017 among the 2,460 with a school on file
- Record last updated2021 · 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).
828 physician assistant records list a practice address in Seattle
They are 828 of the 41,956 NPPES records with a practice address in Seattle, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Seattle → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ken Balter, PA CSeattle, WA 981151497926778
- Audrey Branom, PA-CSeattle, WA 981151487055059
- Ryan Buchan, PASeattle, WA 981151609205491
- Anne Emerson, PA-CSeattle, WA 981151295887909
- Brianna Garvie, PA-CSeattle, WA 981151568855922
- Heather Gregory, PASeattle, WA 981151235412214
- Melissa Holmes, PA-CSeattle, WA 981151609824713
- Cynthia Johnson, P.A.Seattle, WA 981151114071669
Common questions
What is Meghan Mosbo's NPI number?
Meghan Mosbo's National Provider Identifier (NPI) is 1265859664, issued on Mar 24, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Meghan Mosbo located?
The NPPES record lists a practice address at 9800 4TH Ave NE, Seattle, WA, 98115. Phone: (206) 302-1200. Providers update this record themselves, so call before visiting.
How can I verify Meghan Mosbo's license?
NPPES lists Washington license number PA60450541, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Meghan Mosbo prescribe under Medicare Part D?
In 2024, Meghan Mosbo had 609 Medicare Part D claims for 197 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.