IndividualActive
William Stewart, M.D.
NPI 1598881377 · Urology Physician · Kalispell, MT
William Stewart, M.D. is a Urology Physician provider in Kalispell, MT (NPI 1598881377).
Provider details
- NPI number
- 1598881377
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 7509 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
350 Heritage Way Ste 2300
Kalispell, MT 59901-3167
Phone: (406) 752-8456
Fax: (406) 755-1088
Street-level locationGet directions
Mailing address
426 N Foys Lake Dr
Kalispell, MT 59901-7460
Registry dates
- Enumerated
- 2007-03-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Stewart's NPI number?
- William Stewart's National Provider Identifier (NPI) is 1598881377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Stewart's specialty?
- William Stewart is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is William Stewart located?
- William Stewart's practice location on file with NPPES is 350 Heritage Way Ste 2300, Kalispell, MT 59901-3167.
- What is William Stewart's phone number?
- The practice phone number listed in the NPPES registry for William Stewart is (406) 752-8456.
- Is William Stewart's NPI active?
- Yes — William Stewart's NPI (1598881377) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.