OrganizationActive
Johndtumblin
NPI 1801064175 · Optometrist · Knoxville, TN
Johndtumblin is a Optometrist organization in Knoxville, TN (NPI 1801064175).
Provider details
- NPI number
- 1801064175
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- John Tumblin, Owner(865) 688-2050
- License
- TN0285 (TN)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
3016 Sanders Dr
Knoxville, TN 37918-1866
Phone: (865) 688-2050
Fax: (865) 688-2051
Street-level locationGet directions
Mailing address
3016 Sanders Dr
Knoxville, TN 37918-1866
Registry dates
- Enumerated
- 2008-02-20
- Last updated
- 2008-02-20
Frequently asked questions
- What is Johndtumblin's NPI number?
- Johndtumblin's National Provider Identifier (NPI) is 1801064175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Johndtumblin?
- Johndtumblin is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Johndtumblin located?
- Johndtumblin's practice location on file with NPPES is 3016 Sanders Dr, Knoxville, TN 37918-1866.
- What is Johndtumblin's phone number?
- The practice phone number listed in the NPPES registry for Johndtumblin is (865) 688-2050.
- Who is the authorized official for Johndtumblin?
- The authorized official listed on Johndtumblin's NPPES record is John Tumblin, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Johndtumblin's NPI active?
- Yes — Johndtumblin's NPI (1801064175) is active in the NPPES registry as of the last update on 2008-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.