Diana Doll, MD
NPI 1942263405 · Family Medicine Physician · Billings, MT
Diana Doll, MD is a Family Medicine Physician provider in Billings, MT (NPI 1942263405).
Provider details
- NPI number
- 1942263405
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036085495 (IL)
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
20 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
- 2006-04-07
- Last updated
- 2017-01-20
Frequently asked questions
- What is Diana Doll's NPI number?
- Diana Doll's National Provider Identifier (NPI) is 1942263405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Doll's specialty?
- Diana Doll is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Doll located?
- Diana Doll's practice location on file with NPPES is 801 N 29th St, Billings, MT 59101-0905.
- What is Diana Doll's phone number?
- The practice phone number listed in the NPPES registry for Diana Doll is (406) 238-2501.
- Is Diana Doll's NPI active?
- Yes — Diana Doll's NPI (1942263405) is active in the NPPES registry as of the last update on 2017-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.