Joseph Wallen, M.D.
NPI 1508882424 · Internal Medicine Physician · Johnson City, TN
Joseph Wallen, M.D. is a Internal Medicine Physician provider in Johnson City, TN (NPI 1508882424).
Provider details
- NPI number
- 1508882424
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD 0000021126 (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
19 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
- 2006-07-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joseph Wallen's NPI number?
- Joseph Wallen's National Provider Identifier (NPI) is 1508882424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Wallen's specialty?
- Joseph Wallen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Wallen located?
- Joseph Wallen's practice location on file with NPPES is James H. Quillen/Vamc, Johnson City, TN 37684.
- What is Joseph Wallen's phone number?
- The practice phone number listed in the NPPES registry for Joseph Wallen is (423) 926-1171.
- Is Joseph Wallen's NPI active?
- Yes — Joseph Wallen's NPI (1508882424) 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.