DERMATOLOGY OF THE SOUTHWEST PA
NPI 1447283890
Clinic/Center - Medical Specialty in Houston, TX

NPI Status: Active since July 09, 2006

Contact Information

7777 SOUTHWEST FWY
SUITE 956
HOUSTON, TX
ZIP 77074
Phone: (713) 772-7202
Fax: (713) 772-7290

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  • Organization
  • Clinic/Center
  • Medical Specialty
  • CLIA Number: 45D0990370
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-11-2027

About DERMATOLOGY OF THE SOUTHWEST PA

This page provides the complete NPI Profile along with additional information for Dermatology Of The Southwest Pa, a provider established in Houston, Texas operating as a Clinic/center, focusing in medical specialty . The healthcare provider is registered in the NPI registry with number 1447283890 assigned on July 2006. The practitioner's primary taxonomy code is 261QM2500X with license number D9471 (TX). The provider is registered as an organization and their NPI record was last updated 6 years ago. The authorized official of this NPI record is Dr. Norman D. Guzick M.d. (President)

NPI
1447283890
Provider Name
DERMATOLOGY OF THE SOUTHWEST PA
Entity Type
Organization
Location Address
7777 SOUTHWEST FWY SUITE 956 HOUSTON, TX 77074
Location Phone
(713) 772-7202
Location Fax
(713) 772-7290
Mailing Address
7777 SOUTHWEST FWY SUITE 956 HOUSTON, TX 77074
Mailing Phone
(713) 772-7202
Mailing Fax
(713) 772-7290
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-09-2006
Last Update Date
08-22-2020
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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

Clinic/Center Medical Specialty

Taxonomy Code
261QM2500X
Type
Ambulatory Health Care Facilities
License No.
D9471
License State
TX
Taxonomy Description
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).

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. NORMAN D. GUZICK M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(713) 772-7202

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
45D0990370
Facility Type
Physician Office
Certificate Effective Date
October 12, 2025
Certificate Expiration Date
October 11, 2027
Laboratory Director
BRUCE R. NELSON MD
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Dermatology Of The Southwest Pa after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high 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 1447283890, we treat the final digit (0) 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 80. The final step is to find the difference between that total and the next multiple of ten (80 - 80 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 4 + 8 + 6 + 8 + 1 + 8 + 24 = 80

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

The next multiple of ten after 80 is 80. The difference is the calculated check digit.

80 - 80 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1447283890.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Gastroenterology)
7777 SOUTHWEST FWY, SUITE 762
HOUSTON, TX 77074
Ophthalmology
7777 SOUTHWEST FWY, SUITE 934
HOUSTON, TX 77074
Internal Medicine
7777 SOUTHWEST FWY, SUITE 620
HOUSTON, TX 77074
Internal Medicine
7777 SOUTHWEST FWY, SUITE 620
HOUSTON, TX 77074
Urology
7777 SOUTHWEST FWY, # 1032
HOUSTON, TX 77074
Urology
7777 SOUTHWEST FWY, # 1032
HOUSTON, TX 77074
Urology
7777 SOUTHWEST FWY, # 1032
HOUSTON, TX 77074
Pediatrics (Neonatal-Perinatal Medicine)
7777 SOUTHWEST FWY, SUITE 310
HOUSTON, TX 77074
Physician Assistant (Surgical)
7777 SOUTHWEST FWY, SUITE 432
HOUSTON, TX 77074
Pediatrics (Neonatal-Perinatal Medicine)
7777 SOUTHWEST FWY, SUITE 310
HOUSTON, TX 77074
Internal Medicine (Cardiovascular Disease)
7777 SOUTHWEST FWY, SUITE 420
HOUSTON, TX 77074
Psychiatry & Neurology (Neurology)
7777 SOUTHWEST FWY, SUITE 900
HOUSTON, TX 77074
Psychiatry & Neurology (Neurology)
7777 SOUTHWEST FWY, SUITE 900
HOUSTON, TX 77074
Psychiatry & Neurology (Neurology)
7777 SOUTHWEST FWY, SUITE 900
HOUSTON, TX 77074
Internal Medicine (Gastroenterology)
7777 SOUTHWEST FWY, STE 544
HOUSTON, TX 77074
Internal Medicine (Cardiovascular Disease)
7777 SOUTHWEST FWY, STE 544
HOUSTON, TX 77074
Internal Medicine (Medical Oncology)
7777 SOUTHWEST FWY, SUITE1004
HOUSTON, TX 77074
Internal Medicine (Infectious Disease)
7777 SOUTHWEST FWY, 740
HOUSTON, TX 77074
Internal Medicine (Infectious Disease)
7777 SOUTHWEST FWY, 740
HOUSTON, TX 77074
Specialist
7777 SOUTHWEST FWY, STE 514
HOUSTON, TX 77074

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447283890, enumerated as an "organization" on July 09, 2006.

The provider is located at 7777 SOUTHWEST FWY SUITE 956 HOUSTON, TX 77074 and the phone number is (713) 772-7202.

Clinic/Center with taxonomy code 261QM2500X and a focus in Medical Specialty.