IndividualActive
Richard Johnston, M.D.
NPI 1205878477 · Internal Medicine Physician · Irving, TX
Richard Johnston, M.D. is a Internal Medicine Physician provider in Irving, TX (NPI 1205878477).
Provider details
- NPI number
- 1205878477
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E4438 (TX)
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
6750 N Macarthur Blvd Ste 350
Irving, TX 75039-2484
Phone: (972) 556-1616
Fax: (972) 556-1740
Street-level locationGet directions
Mailing address
6750 N Macarthur Blvd Ste 350
Irving, TX 75039-2484
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2019-10-29
Frequently asked questions
- What is Richard Johnston's NPI number?
- Richard Johnston's National Provider Identifier (NPI) is 1205878477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Johnston's specialty?
- Richard Johnston is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Johnston located?
- Richard Johnston's practice location on file with NPPES is 6750 N Macarthur Blvd Ste 350, Irving, TX 75039-2484.
- What is Richard Johnston's phone number?
- The practice phone number listed in the NPPES registry for Richard Johnston is (972) 556-1616.
- Is Richard Johnston's NPI active?
- Yes — Richard Johnston's NPI (1205878477) is active in the NPPES registry as of the last update on 2019-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.