Harold Massingale, M.D.
NPI 1568402865 · Emergency Medicine Physician · Knoxville, TN
Harold Massingale, M.D. is a Emergency Medicine Physician provider in Knoxville, TN (NPI 1568402865).
Provider details
- NPI number
- 1568402865
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 010735 (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
- 2006-06-07
- Last updated
- 2007-11-29
Frequently asked questions
- What is Harold Massingale's NPI number?
- Harold Massingale's National Provider Identifier (NPI) is 1568402865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Massingale's specialty?
- Harold Massingale is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Massingale located?
- Harold Massingale's practice location on file with NPPES is 9352 Park West Blvd, Knoxville, TN 37923-4325.
- What is Harold Massingale's phone number?
- The practice phone number listed in the NPPES registry for Harold Massingale is (865) 373-1000.
- Is Harold Massingale's NPI active?
- Yes — Harold Massingale's NPI (1568402865) is active in the NPPES registry as of the last update on 2007-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.