John Graham, MD
NPI 1427058338 · Internal Medicine Physician · Texarkana, TX
John Graham, MD is a Internal Medicine Physician provider in Texarkana, TX (NPI 1427058338).
Provider details
- NPI number
- 1427058338
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G3405 (TX)
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
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
- 2005-07-21
- Last updated
- 2007-07-14
Frequently asked questions
- What is John Graham's NPI number?
- John Graham's National Provider Identifier (NPI) is 1427058338, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Graham's specialty?
- John Graham is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Graham located?
- John Graham's practice location on file with NPPES is 5002 Cowhorn Creek Rd, Texarkana, TX 75503-9766.
- What is John Graham's phone number?
- The practice phone number listed in the NPPES registry for John Graham is (903) 614-3000.
- Is John Graham's NPI active?
- Yes — John Graham's NPI (1427058338) is active in the NPPES registry as of the last update on 2007-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.