WILLIAMSON EYE CENTER
NPI 1972509156
Ophthalmology in Zachary, LA

NPI Status: Active since June 22, 2005

Contact Information

5233 MAIN ST
STE A
ZACHARY, LA
ZIP 70791
Phone: (225) 654-0090
Fax: (225) 654-8044

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  • Organization
  • Ophthalmology
  • Accepts Insurance
  • CLIA Number: 19D2106957
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 01-03-2028

About WILLIAMSON EYE CENTER

This page provides the complete NPI Profile along with additional information for Williamson Eye Center, a provider established in Zachary, Louisiana operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1972509156 assigned on June 2005. The practitioner's primary taxonomy code is 207W00000X with license number 4458 (LA). The provider is registered as an organization and their NPI record was last updated 16 years ago. Williamson Eye Center operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Charles Hamilton Williamson Md (Md, Medical Director, Owner)

NPI
1972509156
Provider Name
WILLIAMSON EYE CENTER
Entity Type
Organization
Location Address
5233 MAIN ST STE A ZACHARY, LA 70791
Location Phone
(225) 654-0090
Location Fax
(225) 654-8044
Mailing Address
5233 MAIN ST STE A ZACHARY, LA 70791
Mailing Phone
(225) 654-0090
Mailing Fax
(225) 654-8044
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-22-2005
Last Update Date
08-12-2010
Code Navigator

Ophthalmologists like Williamson Eye Center specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
4458
License State
LA
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

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)
1152W00000XEye and Vision Services Providers

Optometrist

4458 (LA)
2152WC0802XEye and Vision Services Providers

Optometrist
Corneal and Contact Management

 
3332H00000XSuppliers

Eyewear Supplier

 
4363A00000XPhysician Assistants & Advanced Practice Nursing Providers

Physician Assistant

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Insurance Plans Accepted

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

  • AmeriHealth Caritas Next Bronze Essential + No Referrals - HMO
  • AmeriHealth Caritas Next Bronze Premier + No Referrals - HMO
  • AmeriHealth Caritas Next Bronze Signature + No Referrals - HMO
  • AmeriHealth Caritas Next Gold Premier + No Referrals - HMO
  • AmeriHealth Caritas Next Gold Signature + No Referrals - HMO
  • AmeriHealth Caritas Next Silver Essential + No Referrals - HMO
  • AmeriHealth Caritas Next Silver Premier + No Referrals - HMO
  • AmeriHealth Caritas Next Silver Signature + No Referrals - HMO
  • Blue Max 70/50 $6700 with 2 $0 PCP Virtual Visits HSA Eligible - PPO
  • Blue Max 80/60 $1500 with 2 $0 PCP Virtual Visits - PPO
  • Blue Max Copay (PCP) 50/50 $3300 with 2 $0 PCP Virtual Visits - PPO
  • Blue Max Copay (PCP) 50/50 $7500 Standardized HSA Eligible - PPO
  • Blue Max Copay (PCP) 60/40 $6000 Standardized - PPO
  • Blue Max Copay (PCP) 75/55 $2000 Standardized - PPO
  • Blue Saver 60/40 $6100 - PPO
  • Blue Saver 90/70 $3400 - PPO
  • BlueSelect Bronze Basic - PPO
  • BlueSelect Bronze Core - PPO
  • BlueSelect Expanded Bronze Standard without Kid's Dental - PPO
  • BlueSelect Gold Core - PPO
  • BlueSelect Gold HealthPlus - PPO
  • BlueSelect Gold Standard without Kid's Dental - PPO
  • BlueSelect Silver Classic - PPO
  • BlueSelect Silver Classic without Kid's Dental - PPO
  • BlueSelect Silver HealthPlus - PPO
  • BlueSelect Silver HealthPlus without Kid's Dental - PPO
  • BlueSelect Silver Standard without Kid's Dental - PPO

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

DR. CHARLES HAMILTON WILLIAMSON MD

Authorized Official Title
MD, MEDICAL DIRECTOR, OWNER
Authorized Official Phone
(225) 924-2020

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
5D241MEDICARE ID-TYPE UNSPECIFIED (04)LA 
1797359MEDICAID (05)LA 
6386570003MEDICARE NSC (07)LA 

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
19D2106957
Facility Type
Physician Office
Certificate Effective Date
January 04, 2026
Certificate Expiration Date
January 03, 2028
Laboratory Director
BLAKE WILLIAMSON
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Williamson Eye Center 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.

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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 1972509156, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
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 7 → 14 → 5 5 → 10 → 1 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 0 + 0 + 1 + 8 + 1 + 1 + 0 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1972509156.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Optometrist
5233 MAIN ST, SUITE A
ZACHARY, LA 70791
Eyewear Supplier
5233 MAIN ST, STE A
ZACHARY, LA 70791

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972509156, enumerated as an "organization" on June 22, 2005.

The provider is located at 5233 MAIN ST STE A ZACHARY, LA 70791 and the phone number is (225) 654-0090.

Ophthalmology with taxonomy code 207W00000X.

The provider might be accepting Accepts: AmeriHealth Caritas Next, Blue Cross and Blue. Please consult your insurance carrier or call the provider to verify.