OrganizationActive
Mabrey R Duff
NPI 1750049193 · Private Vehicle · Knoxville, TN
Mabrey R Duff is a Private Vehicle organization in Knoxville, TN (NPI 1750049193).
Provider details
- NPI number
- 1750049193
- Entity type
- Organization
- Primary specialty
- Private VehicleTransportation Services
- Organization subpart
- No
- Authorized official
- Mabrey Duff, Owner(186) 580-3898
Specialties & taxonomies
Transportation Services
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
3206 Kingsmore Dr
Knoxville, TN 37921-1450
Phone: (865) 803-8981
Fax: (865) 522-3062
Street-level locationGet directions
Mailing address
3206 Kingsmore Dr
Knoxville, TN 37921-1450
Other names (DBA / former)
- Doing business as
- At Your Service Transportation
Registry dates
- Enumerated
- 2021-12-02
- Last updated
- 2022-01-27
- Certified
- 2022-01-27
Frequently asked questions
- What is Mabrey R Duff's NPI number?
- Mabrey R Duff's National Provider Identifier (NPI) is 1750049193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mabrey R Duff?
- Mabrey R Duff is classified in the NPPES registry as Private Vehicle (Transportation Services).
- Where is Mabrey R Duff located?
- Mabrey R Duff's practice location on file with NPPES is 3206 Kingsmore Dr, Knoxville, TN 37921-1450.
- What is Mabrey R Duff's phone number?
- The practice phone number listed in the NPPES registry for Mabrey R Duff is (865) 803-8981.
- Who is the authorized official for Mabrey R Duff?
- The authorized official listed on Mabrey R Duff's NPPES record is Mabrey Duff, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mabrey R Duff's NPI active?
- Yes — Mabrey R Duff's NPI (1750049193) is active in the NPPES registry as of the last update on 2022-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.