AAPDU PLLC
NPI 1427910223
Internal Medicine - Allergy & Immunology in Katy, TX

NPI Status: Active since December 01, 2025

Contact Information

26605 COOK FIELD RD # 401
KATY, TX
ZIP 77494
Phone: (281) 222-4293

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  • Organization
  • Internal Medicine
  • Allergy & Immunology

About AAPDU PLLC

This page provides the complete NPI Profile along with additional information for Aapdu Pllc, an internist established in Katy, Texas operating as a Internal Medicine, focusing in allergy & immunology . The healthcare provider is registered in the NPI registry with number 1427910223 assigned on December 2025. The practitioner's primary taxonomy code is 207RA0201X. The provider is registered as an organization and their NPI record was last updated one year ago. Aapdu Pllc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Jay Patolia Md (Medical Director)

NPI
1427910223
Provider Name
AAPDU PLLC
Entity Type
Organization
Location Address
26605 COOK FIELD RD # 401 KATY, TX 77494
Location Phone
(281) 222-4293
Mailing Address
5147 MAUMEE RIVER DR SUGAR LAND, TX 77479
Mailing Phone
(281) 222-4293
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-01-2025
Last Update Date
12-01-2025
Code Navigator

An internist like Aapdu 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 Allergy & Immunology

Taxonomy Code
207RA0201X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

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.

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

JAY PATOLIA MD

Authorized Official Title
MEDICAL DIRECTOR
Authorized Official Phone
(281) 222-4293

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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 1427910223, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 8 + 1 + 0 + 2 + 4 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1427910223.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427910223, enumerated as an "organization" on December 01, 2025.

The provider is located at 26605 COOK FIELD RD # 401 KATY, TX 77494 and the phone number is (281) 222-4293.

Internal Medicine with taxonomy code 207RA0201X and a focus in Allergy & Immunology.