Kevin Sullivan, MD
NPI 1750523775 · Family Medicine Physician · Big Sky, MT
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kevin Sullivan, MD is a Family Medicine Physician provider in Big Sky, MT (NPI 1750523775).
Provider details
- NPI number
- 1750523775
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14803 (ND)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 1301 15th Ave WWilliston, ND 58801-3821Phone: (701) 774-7400
- Msc11 61201 University of New MexicoAlbuquerque, NM 87131-0001Phone: (505) 272-2610
Registry dates
- Enumerated
- 2009-04-06
- Last updated
- 2025-04-09
- Certified
- 2025-04-09
Frequently asked questions
- What is Kevin Sullivan's NPI number?
- Kevin Sullivan's National Provider Identifier (NPI) is 1750523775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kevin Sullivan's specialty?
- Kevin Sullivan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kevin Sullivan located?
- Kevin Sullivan's practice location on file with NPPES is 334 Town Center Ave, Big Sky, MT 59715-1713.
- What is Kevin Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Kevin Sullivan is (406) 995-6995.
- Does Kevin Sullivan accept Medicare?
- Kevin Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kevin Sullivan's NPI active?
- Yes — Kevin Sullivan's NPI (1750523775) is active in the NPPES registry as of the last update on 2025-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.