MARIE FRANCES RENTSCH
NPI 1033050992
Technician/Technologist - Optometric Technician in Sioux Falls, SD

NPI Status: Active since April 03, 2026

Contact Information

2501 W 22ND ST
SIOUX FALLS, SD
ZIP 57105
Phone: (605) 336-3230
Fax: (605) 977-4411

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  • Individual
  • Female
  • Technician/Technologist
  • Optometric Technician

About MARIE RENTSCH

This page provides the complete NPI Profile along with additional information for Marie Rentsch, a provider established in Sioux Falls, South Dakota with a medical specialization in Technician/technologist, focusing in optometric technician . The healthcare provider is registered in the NPI registry with number 1033050992 assigned on April 2026. The practitioner's primary taxonomy code is 156FX1202X. The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1033050992
Provider Name
MARIE FRANCES RENTSCH
Gender
Female
Entity Type
Individual
Location Address
2501 W 22ND ST SIOUX FALLS, SD 57105
Location Phone
(605) 336-3230
Location Fax
(605) 977-4411
Mailing Address
2501 W 22ND ST SIOUX FALLS, SD 57105
Mailing Phone
(605) 336-3230
Mailing Fax
(605) 977-4411
Is Sole Proprietor?
No
Enumeration Date
04-03-2026
Last Update Date
04-03-2026
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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

Technician/Technologist Optometric Technician

Taxonomy Code
156FX1202X
Type
Eye and Vision Services Providers
Taxonomy Description
An optometric technician assists optometrists by performing duties, including but not limited to, basic eye testing, diagnostic tests, and assistance with corrective lenses.

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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 1033050992, 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 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
0
Unchanged
Pos 3
3
Doubled → 6
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
5
Unchanged
Pos 7
0
Doubled → 0
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 3 → 6 0 → 0 0 → 0 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 6 + 3 + 0 + 5 + 0 + 9 + 1 + 8 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1033050992.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Optometrist
2501 W 22ND ST
SIOUX FALLS, SD 57105
Psychiatry & Neurology (Neurology)
2501 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine
2501 W 22ND ST, RC JOHNSON VA HOSPITAL
SIOUX FALLS, SD 57105
Chiropractor
2501 W 22ND ST
SIOUX FALLS, SD 57105
Physician Assistant
2501 W 22ND ST, ATTN: SURGERY
SIOUX FALLS, SD 57105
Physician Assistant (Medical)
2501 W 22ND ST
SIOUX FALLS, SD 57105
Psychiatry & Neurology (Psychiatry)
2501 W 22ND ST
SIOUX FALLS, SD 57105
Physician Assistant
2501 W 22ND ST
SIOUX FALLS, SD 57105
Psychiatry & Neurology (Psychiatry)
2501 W 22ND ST, 116C
SIOUX FALLS, SD 57105
Family Medicine
2501 W 22ND ST
SIOUX FALLS, SD 57105
Physical Therapist
2501 W 22ND ST
SIOUX FALLS, SD 57105
Nurse Practitioner (Family)
2501 W 22ND ST
SIOUX FALLS, SD 57105
Physical Therapist
2501 W 22ND ST
SIOUX FALLS, SD 57105
Physician Assistant
2501 W 22ND ST, PO BX 5046
SIOUX FALLS, SD 57105
Podiatrist
2501 W 22ND ST
SIOUX FALLS, SD 57105
Pharmacist
2501 W 22ND ST
SIOUX FALLS, SD 57105
Nurse Practitioner (Family)
2501 W 22ND ST, PRIMARY CARE - 111A
SIOUX FALLS, SD 57105
Nurse Practitioner (Family)
2501 W 22ND ST
SIOUX FALLS, SD 57105
Physical Therapy Assistant
2501 W 22ND ST
SIOUX FALLS, SD 57105
Dentist
2501 W 22ND ST
SIOUX FALLS, SD 57105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033050992, enumerated as an "individual" on April 03, 2026.

The provider is located at 2501 W 22ND ST SIOUX FALLS, SD 57105 and the phone number is (605) 336-3230.

Technician/Technologist with taxonomy code 156FX1202X and a focus in Optometric Technician.