Tristan Transportation Company
NPI 1538487988 · Non-emergency Medical Transport (VAN) · Phoenix, AZ
Tristan Transportation Company is a Non-emergency Medical Transport (VAN) organization in Phoenix, AZ (NPI 1538487988).
Provider details
- NPI number
- 1538487988
- Entity type
- Organization
- Primary specialty
- Non-emergency Medical Transport (VAN)Transportation Services
- Parent organization
- Tristan Transportation Company
- Organization subpart
- Yes
- Authorized official
- Diana Growrich, Ceo(480) 797-5257
- License
- D00817896 (AZ)
Specialties & taxonomies
Transportation Services
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
Other names (DBA / former)
- Former legal business name
- Tristan Transportation Company
Registry dates
- Enumerated
- 2010-05-10
- Last updated
- 2010-05-10
Frequently asked questions
- What is Tristan Transportation Company's NPI number?
- Tristan Transportation Company's National Provider Identifier (NPI) is 1538487988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tristan Transportation Company?
- Tristan Transportation Company is classified in the NPPES registry as Non-emergency Medical Transport (VAN) (Transportation Services).
- Where is Tristan Transportation Company located?
- Tristan Transportation Company's practice location on file with NPPES is 18833 N 43rd Pl, Phoenix, AZ 85050-3736.
- What is Tristan Transportation Company's phone number?
- The practice phone number listed in the NPPES registry for Tristan Transportation Company is (480) 797-5257.
- Who is the authorized official for Tristan Transportation Company?
- The authorized official listed on Tristan Transportation Company's NPPES record is Diana Growrich, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tristan Transportation Company's NPI active?
- Yes — Tristan Transportation Company's NPI (1538487988) is active in the NPPES registry as of the last update on 2010-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.