John Johnson, MD
NPI 1285748137 · Family Medicine Physician · Hattiesburg, MS
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Johnson, MD is a Family Medicine Physician provider in Hattiesburg, MS (NPI 1285748137).
Provider details
- NPI number
- 1285748137
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 17122 (MS)
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
- 2006-08-18
- Last updated
- 2021-05-04
- Certified
- 2021-05-04
Frequently asked questions
- What is John Johnson's NPI number?
- John Johnson's National Provider Identifier (NPI) is 1285748137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Johnson's specialty?
- John Johnson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Johnson located?
- John Johnson's practice location on file with NPPES is 415 S 28th Ave, Hattiesburg, MS 39401-7246.
- What is John Johnson's phone number?
- The practice phone number listed in the NPPES registry for John Johnson is (601) 264-6000.
- Does John Johnson accept Medicare?
- John Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Johnson's NPI active?
- Yes — John Johnson's NPI (1285748137) is active in the NPPES registry as of the last update on 2021-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.