TRISTAN TRANSPORTATION COMPANY
NPI 1538487988
Non-emergency Medical Transport (VAN) in Phoenix, AZ

NPI Status: Active since May 10, 2010

Contact Information

18833 N 43RD PL
PHOENIX, AZ
ZIP 85050
Phone: (480) 797-5257
Fax: (480) 994-1124

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  • Organization
  • Non-emergency Medical Transport (VAN)

About TRISTAN TRANSPORTATION COMPANY

This page provides the complete NPI Profile along with additional information for Tristan Transportation Company, a provider established in Phoenix, Arizona operating as a Non-emergency Medical Transport (van). The healthcare provider is registered in the NPI registry with number 1538487988 assigned on May 2010. The practitioner's primary taxonomy code is 343900000X with license number D00817896 (AZ). The provider is registered as an organization and their NPI record was last updated 16 years ago. The provider's former legal business name is Tristan Transportation Company. The authorized official of this NPI record is Ms. Diana D Growrich None (Ceo)

NPI
1538487988
Provider Legal Name
TRISTAN TRANSPORTATION COMPANY
Other Organization Name
TRISTAN TRANSPORTATION COMPANY
Other Name Type
Former Legal Business Name (4)
Entity Type
Organization
Location Address
18833 N 43RD PL PHOENIX, AZ 85050
Location Phone
(480) 797-5257
Location Fax
(480) 994-1124
Mailing Address
18833 N 43RD PL PHOENIX, AZ 85050
Mailing Phone
(480) 797-5257
Mailing Fax
(480) 994-1124
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
05-10-2010
Last Update Date
05-10-2010
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Non-emergency Medical Transport (VAN)

Taxonomy Code
343900000X
Type
Transportation Services
License No.
D00817896
License State
AZ
Taxonomy Description
A land vehicle with a capacity to meet special height, clearance, access, and seating, for the conveyance of persons in non-emergency situations. The vehicle may or may not be required to meet local county or state regulations.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MS. DIANA D GROWRICH NONE

Authorized Official Title
CEO
Authorized Official Phone
(480) 797-5257

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1538487988, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 82. The final step is to find the difference between that total and the next multiple of ten (90 - 82 = 8).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
3
Doubled → 6
Pos 4
8
Unchanged
Pos 5
4
Doubled → 8
Pos 6
8
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
8
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 4 → 8 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 6 + 8 + 8 + 8 + 1 + 4 + 9 + 1 + 6 + 24 = 82

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 82 is 90. The difference is the calculated check digit.

90 - 82 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1538487988.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538487988, enumerated as an "organization" on May 10, 2010.

The provider is located at 18833 N 43RD PL PHOENIX, AZ 85050 and the phone number is (480) 797-5257.

Non-emergency Medical Transport (VAN) with taxonomy code 343900000X.