DEXTER SULLIVAN
NPI 1699639203
Massage Therapist in Detroit, MI

NPI Status: Active since December 10, 2025

Contact Information

676 MLK JR BLVD
DETROIT, MI
ZIP 48201
Phone: (734) 589-9830

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  • Individual
  • Male
  • Massage Therapist

About DEXTER SULLIVAN

This page provides the complete NPI Profile along with additional information for Dexter Sullivan, a provider established in Detroit, Michigan with a medical specialization in Massage Therapist. The healthcare provider is registered in the NPI registry with number 1699639203 assigned on December 2025. The practitioner's primary taxonomy code is 225700000X with license number 7501017301 (MI). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1699639203
Provider Name
DEXTER SULLIVAN
Gender
Male
Entity Type
Individual
Location Address
676 MLK JR BLVD DETROIT, MI 48201
Location Phone
(734) 589-9830
Mailing Address
4501 WOODWARD AVE STE 101 DETROIT, MI 48201
Is Sole Proprietor?
No
Enumeration Date
12-10-2025
Last Update Date
12-10-2025
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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

Massage Therapist

Taxonomy Code
225700000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
7501017301
License State
MI
Taxonomy Description
An individual trained in the manipulation of tissues (as by rubbing, stroking, kneading, or tapping) with the hand or an instrument for remedial or hygienic purposes.

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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 1699639203, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
6
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
0
Doubled → 0
Check
3
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 9 → 18 → 9 6 → 12 → 3 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 1 + 2 + 3 + 1 + 8 + 2 + 0 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1699639203.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699639203, enumerated as an "individual" on December 10, 2025.

The provider is located at 676 MLK JR BLVD DETROIT, MI 48201 and the phone number is (734) 589-9830.

Massage Therapist with taxonomy code 225700000X.