LEON OPTOMETRIC CLINIC
NPI 1336246552
Ophthalmology in Danville, IL

NPI Status: Active since September 20, 2006

Contact Information

1104 N VERMILION ST
DANVILLE, IL
ZIP 61832
Phone: (217) 398-2020
Fax: (217) 442-0119

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  • Organization
  • Ophthalmology
  • Accepts Insurance
  • Medicare Supplier
  • Accepts Medicare Approved Payment
  • CLIA Number: 14D2070592
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 12-18-2027

About LEON OPTOMETRIC CLINIC

This page provides the complete NPI Profile along with additional information for Leon Optometric Clinic, a provider established in Danville, Illinois operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1336246552 assigned on September 2006. The practitioner's primary taxonomy code is 207W00000X. The provider is registered as an organization and their NPI record was last updated 2 years ago. Leon Optometric Clinic operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's is doing business as Leon Optometric Clinic. The authorized official of this NPI record is Dr. Shawn P Mallady Od (President)

NPI
1336246552
Provider Legal Name
CHITTICK FAMILY EYE CARE LTD
Other Organization Name
LEON OPTOMETRIC CLINIC
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
1104 N VERMILION ST DANVILLE, IL 61832
Location Phone
(217) 398-2020
Location Fax
(217) 442-0119
Mailing Address
1104 N VERMILION ST DANVILLE, IL 61832
Mailing Phone
(217) 398-2020
Mailing Fax
(217) 442-0119
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-20-2006
Last Update Date
11-19-2024
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Ophthalmologists like Leon Optometric Clinic 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.

Leon Optometric Clinic is a medicare supplier with PTAN 20673581 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.

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
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

 
2207WX0009XAllopathic & Osteopathic Physicians

Ophthalmology
Glaucoma Specialist

 
3208600000XAllopathic & Osteopathic Physicians

Surgery

 

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:

  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete Silver - EPO
  • Complete Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Silver - EPO
  • Elite Silver + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Principal Bronze HSA - EPO
  • Principal Bronze HSA + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • BlueCross B16S $50 PCP Copay + $0 virtual care from Teladoc Health� - EPO
  • BlueCross G08S $30 PCP Copay + $0 virtual care from Teladoc Health � - EPO
  • BlueCross S26S $40 PCP Copay + $0 virtual care from Teladoc Health� - EPO

*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. SHAWN P MALLADY OD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(508) 837-3790

Medical Equipment Supplier

The provider carries the following medical supplies product categories:

PTAN
20673581
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

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
14D2070592
Facility Type
Physician Office
Certificate Effective Date
December 19, 2025
Certificate Expiration Date
December 18, 2027
Laboratory Director
SHAWN P. MALLADY
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Leon Optometric Clinic 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 LEON OPTOMETRIC CLINIC

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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 1336246552, 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
3
Unchanged
Pos 3
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
5
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 3 → 6 2 → 4 6 → 12 → 3 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 4 + 4 + 1 + 2 + 5 + 1 + 0 + 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 1336246552.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Optometrist
1104 N VERMILION ST, CHITTICK FAMILY EYE CARE
DANVILLE, IL 61832
Optometrist
1104 N VERMILION ST
DANVILLE, IL 61832
Optometrist
1104 N VERMILION ST, CHITTICK FAMILY EYE CARE
DANVILLE, IL 61832
Optometrist
1104 N VERMILION ST, CHITTICK FAMILY EYE CARE
DANVILLE, IL 61832
Optometrist
1104 N VERMILION ST
DANVILLE, IL 61832
Optometrist
1104 N VERMILION ST
DANVILLE, IL 61832
Optometrist
1104 N VERMILION ST
DANVILLE, IL 61832
Optometrist
1104 N VERMILION ST
DANVILLE, IL 61832
Ophthalmology
1104 N VERMILION ST
DANVILLE, IL 61832
Ophthalmology
1104 N VERMILION ST
DANVILLE, IL 61832
Ophthalmology
1104 N VERMILION ST
DANVILLE, IL 61832

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336246552, enumerated as an "organization" on September 20, 2006.

The provider is located at 1104 N VERMILION ST DANVILLE, IL 61832 and the phone number is (217) 398-2020.

Ophthalmology with taxonomy code 207W00000X.

The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter Health,. Please consult your insurance carrier or call the provider to verify.