Sandra Johnson, MD
NPI 1649382409 · Obstetrics & Gynecology Physician · Billings, MT
Sandra Johnson, MD is a Obstetrics & Gynecology Physician provider in Billings, MT (NPI 1649382409).
Provider details
- NPI number
- 1649382409
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 10420 (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
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
- 2006-08-31
- Last updated
- 2008-02-27
Frequently asked questions
- What is Sandra Johnson's NPI number?
- Sandra Johnson's National Provider Identifier (NPI) is 1649382409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Johnson's specialty?
- Sandra Johnson is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Johnson located?
- Sandra Johnson's practice location on file with NPPES is 2675 Central Ave, Billings, MT 59102-6686.
- What is Sandra Johnson's phone number?
- The practice phone number listed in the NPPES registry for Sandra Johnson is (406) 238-2500.
- Is Sandra Johnson's NPI active?
- Yes — Sandra Johnson's NPI (1649382409) is active in the NPPES registry as of the last update on 2008-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.