CARLSON TILLISCH EYE CLINIC, LTD
NPI 1821159435
Optometrist in New Ulm, MN

NPI Status: Active since December 13, 2006

Contact Information

26 N BROADWAY ST
NEW ULM, MN
ZIP 56073
Phone: (507) 354-7407

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  • Organization
  • Optometrist
  • Accepts Insurance
  • Medicare Supplier
  • Accepts Medicare Approved Payment
  • CLIA Number: 24D2112054
  • CLIA Cert. Type: Practitioner Other
  • CLIA Exp. Date: 04-20-2026

About CARLSON TILLISCH EYE CLINIC, LTD

This page provides the complete NPI Profile along with additional information for Carlson Tillisch Eye Clinic, Ltd, a provider established in New Ulm, Minnesota operating as a Optometrist. The healthcare provider is registered in the NPI registry with number 1821159435 assigned on December 2006. The practitioner's primary taxonomy code is 152W00000X. The provider is registered as an organization and their NPI record was last updated 5 years ago. The authorized official of this NPI record is Tara Butson (Accounts Manager)

NPI
1821159435
Provider Name
CARLSON TILLISCH EYE CLINIC, LTD
Entity Type
Organization
Location Address
26 N BROADWAY ST NEW ULM, MN 56073
Location Phone
(507) 354-7407
Mailing Address
PO BOX 156 NEW ULM, MN 56073
Mailing Phone
(507) 354-7407
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-13-2006
Last Update Date
09-24-2021
Code Navigator



Carlson Tillisch Eye Clinic, Ltd is a medicare supplier with PTAN 20669651 who accepts Medicare assignment for all durable medical equipment and supplies. The provider accepts the Medicare allowable as payment in full.The supplier carries the following product categories: Prosthetic Lenses: Conventional Eyeglasses or Prosthetic Lenses: Conventional Contact Lenses or Prosthetic Lenses: Prosthetics Cataract Lenses.

Location Map

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
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.

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)
1332B00000XSuppliers

Durable Medical Equipment & Medical Supplies

 

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Medica Individual Choice Bronze $0 Copay PCP Visits - HMO
  • Medica Individual Choice Bronze Share - HMO
  • Medica Individual Choice Expanded Bronze Standard - HMO
  • Medica Individual Choice Gold $0 Copay PCP Visits - HMO
  • Medica Individual Choice Gold Share - HMO
  • Medica Individual Choice Gold Standard - HMO
  • Medica Individual Choice Silver $0 Copay PCP Visits - HMO
  • Medica Individual Choice Silver Share - HMO
  • Medica Individual Choice Silver Standard - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

TARA BUTSON

Authorized Official Title
ACCOUNTS MANAGER
Authorized Official Phone
(507) 345-5087

Medical Equipment Supplier

The provider carries the following medical supplies product categories:

PTAN
20669651
Accepts Medicare Assignment
YES
Specialities List
Optometrist, Optician.
Competitive Bidding
NO

Supplies List

  • Prosthetic Lenses: Conventional Eyeglasses - Conventional Eyeglasses
  • Prosthetic Lenses: Conventional Contact Lenses - Conventional Contact Lenses
  • Prosthetic Lenses: Prosthetics Cataract Lenses - Cataract Eyeglasses

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
24D2112054
Facility Type
Practitioner Other
Certificate Effective Date
April 21, 2024
Certificate Expiration Date
April 20, 2026
Laboratory Director
TRACYE D. RASMUSSEN
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Carlson Tillisch Eye Clinic, Ltd to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

Reviews for CARLSON TILLISCH EYE CLINIC, LTD

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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 1821159435, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 2 + 5 + 1 + 8 + 4 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1821159435.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821159435, enumerated as an "organization" on December 13, 2006.

The provider is located at 26 N BROADWAY ST NEW ULM, MN 56073 and the phone number is (507) 354-7407.

Optometrist with taxonomy code 152W00000X.

The provider might be accepting Accepts: Medica. Please consult your insurance carrier or call the provider to verify.