NIGRO DERMATOLOGY GROUP, PA
NPI 1639199581
Specialist in Houston, TX

NPI Status: Active since July 20, 2006

Contact Information

7737 SOUTHWEST FWY
SUITE 350
HOUSTON, TX
ZIP 77074
Phone: (713) 981-4444
Fax: (713) 981-5548

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  • Organization
  • Specialist
  • CLIA Number: 45D0493243
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-31-2026

About NIGRO DERMATOLOGY GROUP, PA

This page provides the complete NPI Profile along with additional information for Nigro Dermatology Group, Pa, a provider established in Houston, Texas operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1639199581 assigned on July 2006. The practitioner's primary taxonomy code is 174400000X. The provider is registered as an organization and their NPI record was last updated 19 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 Leticia M Ortiz (Office Manager)

NPI
1639199581
Provider Name
NIGRO DERMATOLOGY GROUP, PA
Entity Type
Organization
Location Address
7737 SOUTHWEST FWY SUITE 350 HOUSTON, TX 77074
Location Phone
(713) 981-4444
Location Fax
(713) 981-5548
Mailing Address
737 SW FREEWAY SUITE 350 HOUSTON, TX 77074
Mailing Phone
(713) 981-4444
Mailing Fax
(713) 981-5548
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-20-2006
Last Update Date
09-11-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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.

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

LETICIA M ORTIZ

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(713) 981-4444

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
00425RMEDICARE ID-TYPE UNSPECIFIED (04)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
45D0493243
Facility Type
Physician Office
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
MARJORY G. NIGRO
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to Nigro Dermatology Group, Pa 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 1639199581, we treat the final digit (1) 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 1).

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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
1
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 1 → 2 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 2 + 9 + 1 + 8 + 5 + 1 + 6 + 24 = 79

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

The next multiple of ten after 79 is 80. The difference is the calculated check digit.

80 - 79 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1639199581.

Other Providers at the Same Location


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

Internal Medicine
7737 SOUTHWEST FWY, STE 970
HOUSTON, TX 77074
Dermatology
7737 SOUTHWEST FWY, SUITE 530
HOUSTON, TX 77074
Obstetrics & Gynecology
7737 SOUTHWEST FWY, 895
HOUSTON, TX 77074
Obstetrics & Gynecology
7737 SOUTHWEST FWY, 700
HOUSTON, TX 77074
Physician Assistant (Surgical)
7737 SOUTHWEST FWY, SUITE 201
HOUSTON, TX 77074
Thoracic Surgery (Cardiothoracic Vascular Surgery)
7737 SOUTHWEST FWY, SUITE 201
HOUSTON, TX 77074
Specialist
7737 SOUTHWEST FWY, 230
HOUSTON, TX 77074
Obstetrics & Gynecology
7737 SOUTHWEST FWY, SUITE 660
HOUSTON, TX 77074
Podiatrist (Foot & Ankle Surgery)
7737 SOUTHWEST FWY, STE 500
HOUSTON, TX 77074
Obstetrics & Gynecology
7737 SOUTHWEST FWY, STE 819
HOUSTON, TX 77074
Contractor
7737 SOUTHWEST FWY, SUITE 320
HOUSTON, TX 77074
Internal Medicine
7737 SOUTHWEST FWY, STE 620
HOUSTON, TX 77074
Audiologist
7737 SOUTHWEST FWY, SUITE 630
HOUSTON, TX 77074
Audiologist
7737 SOUTHWEST FWY, SUITE 630
HOUSTON, TX 77074
Internal Medicine
7737 SOUTHWEST FWY, #625
HOUSTON, TX 77074
Pediatrics (Adolescent Medicine)
7737 SOUTHWEST FWY, SUITE 670
HOUSTON, TX 77074
Otolaryngology (Pediatric Otolaryngology)
7737 SOUTHWEST FWY
HOUSTON, TX 77074
Internal Medicine (Gastroenterology)
7737 SOUTHWEST FWY, SUITE # 968
HOUSTON, TX 77074
Family Medicine
7737 SOUTHWEST FWY, SUITE 400
HOUSTON, TX 77074
Family Medicine
7737 SOUTHWEST FWY, SUITE 400
HOUSTON, TX 77074

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639199581, enumerated as an "organization" on July 20, 2006.

The provider is located at 7737 SOUTHWEST FWY SUITE 350 HOUSTON, TX 77074 and the phone number is (713) 981-4444.

Specialist with taxonomy code 174400000X.

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