IndividualActive
James Johnston, MD
NPI 1699763847 · Gastroenterology Physician · Jackson, MS
James Johnston, MD is a Gastroenterology Physician provider in Jackson, MS (NPI 1699763847).
Provider details
- NPI number
- 1699763847
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 08471 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1421 N State St
Suite 203
Jackson, MS 39202-1658
Phone: (601) 355-1234
Fax: (601) 354-3881
Street-level locationGet directions
Mailing address
1421 N State St
Jackson, MS 39202-1658
Registry dates
- Enumerated
- 2005-10-12
- Last updated
- 2008-08-14
Frequently asked questions
- What is James Johnston's NPI number?
- James Johnston's National Provider Identifier (NPI) is 1699763847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Johnston's specialty?
- James Johnston is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is James Johnston located?
- James Johnston's practice location on file with NPPES is 1421 N State St, Jackson, MS 39202-1658.
- What is James Johnston's phone number?
- The practice phone number listed in the NPPES registry for James Johnston is (601) 355-1234.
- Is James Johnston's NPI active?
- Yes — James Johnston's NPI (1699763847) is active in the NPPES registry as of the last update on 2008-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.