Terry Dennis, M.D., M.P.H.
NPI 1639244767 · Internal Medicine Physician · Billings, MT
Terry Dennis, M.D., M.P.H. is a Internal Medicine Physician provider in Billings, MT (NPI 1639244767).
Provider details
- NPI number
- 1639244767
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H.
- Sex
- Male
- Sole proprietor
- No
- License
- 6755 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
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)
- 107 H Street EastDhhs-Ihs-Poplar Health ClinicPoplar, MT 59255Phone: (406) 768-2105
- 107 H Street EastDhhs-Ihs-Poplar Health ClinicPoplar, MT 59255Phone: (406) 768-2105
Registry dates
- Enumerated
- 2006-11-22
- Last updated
- 2019-04-22
Frequently asked questions
- What is Terry Dennis's NPI number?
- Terry Dennis's National Provider Identifier (NPI) is 1639244767, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terry Dennis's specialty?
- Terry Dennis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Terry Dennis located?
- Terry Dennis's practice location on file with NPPES is 801 N 29th St, Billings, MT 59101.
- What is Terry Dennis's phone number?
- The practice phone number listed in the NPPES registry for Terry Dennis is (406) 238-2500.
- Is Terry Dennis's NPI active?
- Yes — Terry Dennis's NPI (1639244767) is active in the NPPES registry as of the last update on 2019-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.