STEPHEN R HOLT M.D.
NPI 1992831572
Preventive Medicine - Aerospace Medicine in Dallas, TX

NPI Status: Active since February 26, 2007

Contact Information

4500 LANCASTER RD
DALLAS, TX
ZIP 75216
Phone: (214) 857-1150

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  • Individual
  • Male
  • Preventive Medicine
  • Aerospace Medicine

About STEPHEN HOLT

This page provides the complete NPI Profile along with additional information for Stephen Holt, a provider established in Dallas, Texas with a medical specialization in Preventive Medicine, focusing in aerospace medicine . The healthcare provider is registered in the NPI registry with number 1992831572 assigned on February 2007. The practitioner's primary taxonomy code is 2083A0100X with license number 58554 (MA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1992831572
Provider Name
STEPHEN R HOLT M.D.
Gender
Male
Entity Type
Individual
Location Address
4500 LANCASTER RD DALLAS, TX 75216
Location Phone
(214) 857-1150
Mailing Address
1397 MUSTANG DR LEWISVILLE, TX 75067
Mailing Phone
(214) 857-1150
Is Sole Proprietor?
No
Enumeration Date
02-26-2007
Last Update Date
09-09-2009
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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

Preventive Medicine Aerospace Medicine

Taxonomy Code
2083A0100X
Type
Allopathic & Osteopathic Physicians
License No.
58554
License State
MA
Taxonomy Description
Aerospace medicine focuses on the clinical care, research, and operational support of the health, safety, and performance of crewmembers and passengers of air and space vehicles, together with the support personnel who assist operation of such vehicles. This population often works and lives in remote, isolated, extreme, or enclosed environments under conditions of physical and psychological stress. Practitioners strive for an optimal human-machine match in occupational settings rich with environmental hazards and engineering countermeasures.

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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 1992831572, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 8 → 16 → 7 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 6 + 3 + 2 + 5 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1992831572.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992831572, enumerated as an "individual" on February 26, 2007.

The provider is located at 4500 LANCASTER RD DALLAS, TX 75216 and the phone number is (214) 857-1150.

Preventive Medicine with taxonomy code 2083A0100X and a focus in Aerospace Medicine.