Calvin Johnson, MD
NPI 1952366221 · Orthopaedic Surgery Physician · Johnson City, TN
Calvin Johnson, MD is a Orthopaedic Surgery Physician provider in Johnson City, TN (NPI 1952366221).
Provider details
- NPI number
- 1952366221
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 10841 (TN)
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
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
- 2006-04-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Calvin Johnson's NPI number?
- Calvin Johnson's National Provider Identifier (NPI) is 1952366221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Johnson's specialty?
- Calvin Johnson is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Johnson located?
- Calvin Johnson's practice location on file with NPPES is 2410 Susannah St, Johnson City, TN 37601-1748.
- What is Calvin Johnson's phone number?
- The practice phone number listed in the NPPES registry for Calvin Johnson is (423) 282-9011.
- Is Calvin Johnson's NPI active?
- Yes — Calvin Johnson's NPI (1952366221) 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.