SAMAD ZIA DO PLLC
NPI 1326965302
Internal Medicine - Endocrinology, Diabetes & Metabolism in Tomball, TX

NPI Status: Active since July 01, 2026

Contact Information

455 SCHOOL ST STE 22
TOMBALL, TX
ZIP 77375
Phone: (281) 687-2993

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  • Organization
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism

About SAMAD ZIA DO PLLC

This page provides the complete NPI Profile along with additional information for Samad Zia Do Pllc, an internist established in Tomball, Texas operating as a Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1326965302 assigned on July 2026. The practitioner's primary taxonomy code is 207RE0101X. The provider is registered as an organization and their NPI record was last updated July 2026. The authorized official of this NPI record is Samad Zia Do (Physician)

NPI
1326965302
Provider Name
SAMAD ZIA DO PLLC
Entity Type
Organization
Location Address
455 SCHOOL ST STE 22 TOMBALL, TX 77375
Location Phone
(281) 687-2993
Mailing Address
455 SCHOOL ST STE 22 TOMBALL, TX 77375
Mailing Phone
(281) 687-2993
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-01-2026
Last Update Date
07-01-2026
Code Navigator

An internist like Samad Zia Do Pllc is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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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

Internal Medicine Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

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

SAMAD ZIA DO

Authorized Official Title
PHYSICIAN
Authorized Official Phone
(281) 687-2993

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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 1326965302, 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
2
Doubled → 4
Pos 4
6
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
0
Doubled → 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 2 → 4 9 → 18 → 9 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 4 + 6 + 1 + 8 + 6 + 1 + 0 + 3 + 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 1326965302.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326965302, enumerated as an "organization" on July 01, 2026.

The provider is located at 455 SCHOOL ST STE 22 TOMBALL, TX 77375 and the phone number is (281) 687-2993.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.