Winslow Lewis, P.A.
NPI 1649509506 · Medical Physician Assistant · Missoula, MT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Winslow Lewis, P.A. is a Medical Physician Assistant provider in Missoula, MT (NPI 1649509506).
Provider details
- NPI number
- 1649509506
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 592 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-12-23
- Last updated
- 2011-11-10
Frequently asked questions
- What is Winslow Lewis's NPI number?
- Winslow Lewis's National Provider Identifier (NPI) is 1649509506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Winslow Lewis's specialty?
- Winslow Lewis is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Winslow Lewis located?
- Winslow Lewis's practice location on file with NPPES is 323 W Alder St, Missoula, MT 59802-4123.
- What is Winslow Lewis's phone number?
- The practice phone number listed in the NPPES registry for Winslow Lewis is (406) 258-4195.
- Does Winslow Lewis accept Medicare?
- Winslow Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Winslow Lewis's NPI active?
- Yes — Winslow Lewis's NPI (1649509506) is active in the NPPES registry as of the last update on 2011-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.