Winslow Lewis, P.A.
Medical Physician Assistant · Missoula, MT
Winslow Lewis, P.A. is a medical physician assistant with a practice address in Missoula, Montana, and NPI 1649509506, issued on Dec 23, 2009. Check the license (Montana 592, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Winslow Lewis
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 592 MT
Self-reported in NPPES; status is on the state search - Practice location
- 323 W Alder St, Missoula, MT 59802
- Phone
- (406) 258-4195
- Enumerated
- Dec 23, 2009
- Record last updated
- Nov 10, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (406) 258-4180
- Medicare enrollment
- Enrolled (PECOS I20111202000055); accepts Medicare assignment
- Medical or professional school
- Pacific Medical College, 2009
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 269 in Montana → Look up another NPI →
Also registered at 323 W Alder St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cory Adams, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1689906885
- Kenneth Bogart, PAPhysician Assistant1770520058
- Joseph Byington, D.M.DDentist1922004316
- James Cannava, DMDDentist1619030186
- Kerry Haney, PHARMDPharmacist1730513003
- Patrick Heaphy, D.M.D.Dentist1952615650
Verify Winslow Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 592Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average medical physician assistant in 2024
68 Medicare Part D claims for 45 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
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
- Partnership Health Center IncSeeley Lake, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Winslow Lewis among 269 medical physician assistant records in Montana
Winslow Lewis, P.A. is one of 269 medical physician assistant records with a practice address in Montana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 47% of them.
- NPI issued2009 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2009 · median 2011 among the 193 with a school on file
- Record last updated2011 · 40% 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 medical physician assistant records list a practice address in Missoula
They are 31 of the 3,567 NPPES records with a practice address in Missoula, and 269 medical physician assistant records in Montana.
All 269 in Montana → Every provider in Missoula → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Michelle Bailey, PA-CMissoula, MT 598021447376991
- Madelyn Boyle, PA-CMissoula, MT 598021457605214
- Paula Colledge, PA-CMissoula, MT 598021952395758
- Carin Dougherty, PA-CMissoula, MT 598021750533071
- Heidi Drescher, P.A.Missoula, MT 598021508854126
- Janel McCormick, PA-CMissoula, MT 598021487680054
- Elizabeth McNeece, PA-CMissoula, MT 598021518296672
- Ann O'Connor, PA CMissoula, MT 598021033170964
Common questions
What is Winslow Lewis, P.A.'s NPI number?
Winslow Lewis, P.A.'s National Provider Identifier (NPI) is 1649509506, issued on Dec 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Winslow Lewis, P.A. located?
The NPPES record lists a practice address at 323 W Alder St, Missoula, MT, 59802. Phone: (406) 258-4195. Providers update this record themselves, so call before visiting.
How can I verify Winslow Lewis, P.A.'s license?
NPPES lists Montana license number 592, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Winslow Lewis, P.A. prescribe under Medicare Part D?
In 2024, Winslow Lewis, P.A. had 68 Medicare Part D claims for 45 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.