MARC DANIEL WEISHAAR DSC, PT
NPI 1538329289
Physical Therapist - Orthopedic in Nellis Afb, NV

NPI Status: Active since June 16, 2008

Contact Information

4700 LAS VEGAS BLVD N
NELLIS AFB, NV
ZIP 89191
Phone: (702) 653-2273

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Physical Therapist
Orthopedic

About MARC WEISHAAR

This page provides the complete NPI Profile along with additional information for Marc Weishaar, a provider established in Nellis Afb, Nevada with a medical specialization in Physical Therapist, focusing in orthopedic . The healthcare provider is registered in the NPI registry with number 1538329289 assigned on June 2008. The practitioner's primary taxonomy code is 2251X0800X with license number PTL.0008829 (CO). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI: 1538329289
Provider Name: MARC DANIEL WEISHAAR DSC, PT
Gender: Male
Entity Type: Individual
Location Address: 4700 LAS VEGAS BLVD N NELLIS AFB, NV 89191
Location Phone: (702) 653-2273
Mailing Address: PO BOX 5730 BELFAST, ME 04915
Is Sole Proprietor?: No
Enumeration Date: 06-16-2008
Last Update Date: 06-09-2026
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Location Map

Secondary Locations

17766 Verde Pkwy Ste 150
Selma, TX 78154
(210) 477-5151

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: Physical Therapist Orthopedic
Taxonomy Code: 2251X0800X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.: PTL.0008829
License State: CO
Taxonomy Description: A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Orthopaedic Physical Therapy, who has demonstrated specialized knowledge and skill in human anatomy and physiology, movement science; pathology/pathophysiology, pain science, medical and surgical considerations, orthopaedic physical therapy theory and practice, and critical inquiry for evidence-based practice.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	225100000X	Respiratory, Developmental, Rehabilitative and Restorative Service Providers	Physical Therapist	1297156 (TX)

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 1538329289, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

Check

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 3 → 6 9 → 18 → 9 8 → 16 → 7