EYE COUNTRY PLLC
NPI 1508040429
Optometrist in Fredericksburg, TX

NPI Status: Active since December 27, 2007

Contact Information

1102 NORTH LLANO STREET
SUITE A
FREDERICKSBURG, TX
ZIP 78624
Phone: (830) 997-0131
Fax: (866) 897-9855

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  • Organization
  • Optometrist
  • CLIA Number: 45D2321621
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 04-06-2027

About EYE COUNTRY PLLC

This page provides the complete NPI Profile along with additional information for Eye Country Pllc, a provider established in Fredericksburg, Texas operating as a Optometrist. The healthcare provider is registered in the NPI registry with number 1508040429 assigned on December 2007. The practitioner's primary taxonomy code is 152W00000X with license number 4526TG (TX). The provider is registered as an organization and their NPI record was last updated 11 years ago. The provider's former legal business name is Hans Oosterbaan, Od. The authorized official of this NPI record is Mrs. Dawn Smith (Office Manager)

NPI
1508040429
Provider Legal Name
EYE COUNTRY PLLC
Other Organization Name
HANS OOSTERBAAN, OD
Other Name Type
Former Legal Business Name (4)
Entity Type
Organization
Location Address
1102 NORTH LLANO STREET SUITE A FREDERICKSBURG, TX 78624
Location Phone
(830) 997-0131
Location Fax
(866) 897-9855
Mailing Address
1102 NORTH LLANO STREET SUITE A FREDERICKSBURG, TX 78624
Mailing Phone
(830) 997-0131
Mailing Fax
(866) 897-9855
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-27-2007
Last Update Date
09-30-2015
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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.
4526TG
License State
TX
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)
1332H00000XSuppliers

Eyewear Supplier

4526TG (TX)

Insurance Plans Accepted

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

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*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

MRS. DAWN SMITH

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(830) 997-0131

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
093435802MEDICAID (05)TX 
0994820001MEDICARE NSC (07)TX 

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
45D2321621
Facility Type
Physician Office
Certificate Effective Date
April 07, 2025
Certificate Expiration Date
April 06, 2027
Laboratory Director
HANS OOSTERBAAN
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Eye Country Pllc 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 EYE COUNTRY PLLC

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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 1508040429, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
9
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 0 → 0 0 → 0 0 → 0 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 0 + 4 + 0 + 4 + 4 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1508040429.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Optometrist
1102 NORTH LLANO STREET, SUITE A
FREDERICKSBURG, TX 78624

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508040429, enumerated as an "organization" on December 27, 2007.

The provider is located at 1102 NORTH LLANO STREET SUITE A FREDERICKSBURG, TX 78624 and the phone number is (830) 997-0131.

Optometrist with taxonomy code 152W00000X.

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