Diane Johnston, M.D.
NPI 1861597197 · Family Medicine Physician · Muskogee, OK
Diane Johnston, M.D. is a Family Medicine Physician provider in Muskogee, OK (NPI 1861597197).
Provider details
- NPI number
- 1861597197
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- E-0674 (AR)
Specialties & taxonomies
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
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
- 2006-09-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Johnston's NPI number?
- Diane Johnston's National Provider Identifier (NPI) is 1861597197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Johnston's specialty?
- Diane Johnston is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Johnston located?
- Diane Johnston's practice location on file with NPPES is 2822 Irving St, Muskogee, OK 74403-3933.
- What is Diane Johnston's phone number?
- The practice phone number listed in the NPPES registry for Diane Johnston is (918) 682-9376.
- Is Diane Johnston's NPI active?
- Yes — Diane Johnston's NPI (1861597197) 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.