Clifford Johnson,jr, M.D.
NPI 1164424438 · Otolaryngology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clifford Johnson,jr, M.D. is a Otolaryngology Physician provider in Knoxville, TN (NPI 1164424438).
Provider details
- NPI number
- 1164424438
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 7979 (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
21 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
- 2005-06-01
- Last updated
- 2007-11-05
Frequently asked questions
- What is Clifford Johnson,jr's NPI number?
- Clifford Johnson,jr's National Provider Identifier (NPI) is 1164424438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clifford Johnson,jr's specialty?
- Clifford Johnson,jr is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Clifford Johnson,jr located?
- Clifford Johnson,jr's practice location on file with NPPES is 9430 Park West Blvd, Knoxville, TN 37923-4203.
- What is Clifford Johnson,jr's phone number?
- The practice phone number listed in the NPPES registry for Clifford Johnson,jr is (865) 693-6065.
- Does Clifford Johnson,jr accept Medicare?
- Clifford Johnson,jr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clifford Johnson,jr's NPI active?
- Yes — Clifford Johnson,jr's NPI (1164424438) is active in the NPPES registry as of the last update on 2007-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.