EAST LOUISVILLE DERMATOLOGY, PSC
NPI 1255468872
Dermatology in Louisville, KY

NPI Status: Active since February 28, 2007

Contact Information

4912 US HIGHWAY 42
SUITE 208
LOUISVILLE, KY
ZIP 40222
Phone: (502) 426-9565
Fax: (502) 425-3240

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  • Organization
  • Dermatology
  • CLIA Number: 18D0706454
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-17-2027

About EAST LOUISVILLE DERMATOLOGY, PSC

This page provides the complete NPI Profile along with additional information for East Louisville Dermatology, Psc, a provider established in Louisville, Kentucky operating as a Dermatology. The healthcare provider is registered in the NPI registry with number 1255468872 assigned on February 2007. The practitioner's primary taxonomy code is 207N00000X with license number 24086 (KY). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Terrie S Williams M.d. (President)

NPI
1255468872
Provider Name
EAST LOUISVILLE DERMATOLOGY, PSC
Entity Type
Organization
Location Address
4912 US HIGHWAY 42 SUITE 208 LOUISVILLE, KY 40222
Location Phone
(502) 426-9565
Location Fax
(502) 425-3240
Mailing Address
4912 US HIGHWAY 42 SUITE 208 LOUISVILLE, KY 40222
Mailing Phone
(502) 426-9565
Mailing Fax
(502) 425-3240
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-28-2007
Last Update Date
08-22-2020
Code Navigator

A dermatologist like East Louisville Dermatology, Psc is a medical specialty involving the management of skin conditions and diseases. Dermatologists diagnose some sexually transmitted diseases, warts, cancer, acne, dermatitis and may offer cosmetic treatments, and therapies that reduce age spots and wrinkles.

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

Dermatology

Taxonomy Code
207N00000X
Type
Allopathic & Osteopathic Physicians
License No.
24086
License State
KY
Taxonomy Description
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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. TERRIE S WILLIAMS M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(502) 426-9565

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
18D0706454
Facility Type
Physician Office
Certificate Effective Date
October 18, 2025
Certificate Expiration Date
October 17, 2027
Laboratory Director
DR. TERRIE S. WILLIAMS
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to East Louisville Dermatology, Psc in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.

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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 1255468872, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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
2
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 5 → 10 → 1 4 → 8 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 8 + 6 + 1 + 6 + 8 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1255468872.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Dermatology
4912 US HIGHWAY 42, SUITE 208
LOUISVILLE, KY 40222
Internal Medicine
4912 US HIGHWAY 42, SUITE 103
LOUISVILLE, KY 40222
Nurse Practitioner (Family)
4912 US HIGHWAY 42, SUITE 208
LOUISVILLE, KY 40222
Family Medicine
4912 US HIGHWAY 42, SUITE 103
LOUISVILLE, KY 40222
Rehabilitation Unit
4912 US HIGHWAY 42
LOUISVILLE, KY 40222
Psychologist (Clinical)
4912 US HIGHWAY 42, SUITE 104
LOUISVILLE, KY 40222
Physical Therapist
4912 US HIGHWAY 42, SUITE 104
LOUISVILLE, KY 40222
Speech-Language Pathologist
4912 US HIGHWAY 42
LOUISVILLE, KY 40222
Physical Therapist
4912 US HIGHWAY 42
LOUISVILLE, KY 40222
Occupational Therapist
4912 US HIGHWAY 42
LOUISVILLE, KY 40222

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255468872, enumerated as an "organization" on February 28, 2007.

The provider is located at 4912 US HIGHWAY 42 SUITE 208 LOUISVILLE, KY 40222 and the phone number is (502) 426-9565.

Dermatology with taxonomy code 207N00000X.