Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. DAVID R. CARLSON O.D.
NPI 1245274752
Optometrist in Casper, WY

Active since June 15, 2006
543 S DAVID ST, CASPER, WY 82601(307) 237-9494(307) 237-1370 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Optometrist
  • Medicare Quality Reporting

About DAVID CARLSON

This page provides the complete NPI Profile along with additional information for David Carlson, a provider established in Casper, Wyoming with a medical specialization in Optometrist. The healthcare provider is registered in the NPI registry with number 1245274752 assigned on June 2006. The practitioner's primary taxonomy code is 152W00000X with license number 125T (WY). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1245274752
Provider Name
DR. DAVID R. CARLSON O.D.
Gender
Male
Entity Type
Individual
Location Address
543 S DAVID ST CASPER, WY 82601
Location Phone
(307) 237-9494
Location Fax
(307) 237-1370
Mailing Address
543 S DAVID ST CASPER, WY 82601
Mailing Phone
(307) 237-9494
Mailing Fax
(307) 237-1370
Is Sole Proprietor?
No
Enumeration Date
06-15-2006
Last Update Date
07-13-2026
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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

Optometrist

Taxonomy Code
152W00000X
Type
Eye and Vision Services Providers
License No.
125T
License State
WY
Taxonomy Description
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients
Diabetes: Eye Exam 100% 66
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period

Reviews for DR. DAVID R. CARLSON O.D.

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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 1245274752, 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
2
Unchanged
Pos 3
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 4 → 8 2 → 4 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 4 + 7 + 8 + 7 + 1 + 0 + 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 1245274752.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Optometrist
543 S DAVID ST
CASPER, WY 82601
Optometrist
543 S DAVID ST
CASPER, WY 82601
Optometrist
543 S DAVID ST
CASPER, WY 82601

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245274752, enumerated as an "individual" on June 15, 2006.

The provider is located at 543 S DAVID ST CASPER, WY 82601 and the phone number is (307) 237-9494.

Optometrist with taxonomy code 152W00000X.