AHMAD HAMMOUD MD
NPI 1407774110
Urology in Royal Oak, MI

NPI Status: Active since July 09, 2026

Contact Information

3535 WEST THIRTEEN MILE ROAD, SUITE 438
ROYAL OAK, MI
ZIP 48073
Phone: (248) 551-9238
Fax: (248) 551-8107

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  • Individual
  • Male
  • Urology

About AHMAD HAMMOUD

This page provides the complete NPI Profile along with additional information for Ahmad Hammoud, a provider established in Royal Oak, Michigan with a medical specialization in Urology. The healthcare provider is registered in the NPI registry with number 1407774110 assigned on July 2026. The practitioner's primary taxonomy code is 208800000X with license number 4351056960 (MI). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1407774110
Provider Name
AHMAD HAMMOUD MD
Gender
Male
Entity Type
Individual
Location Address
3535 WEST THIRTEEN MILE ROAD, SUITE 438 ROYAL OAK, MI 48073
Location Phone
(248) 551-9238
Location Fax
(248) 551-8107
Mailing Address
3535 WEST THIRTEEN MILE ROAD, SUITE 438 ROYAL OAK, MI 48073
Mailing Phone
(248) 551-9238
Mailing Fax
(248) 551-8107
Is Sole Proprietor?
No
Enumeration Date
07-09-2026
Last Update Date
07-09-2026
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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

Urology

Taxonomy Code
208800000X
Type
Allopathic & Osteopathic Physicians
License No.
4351056960
License State
MI
Taxonomy Description
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
12088F0040XAllopathic & Osteopathic Physicians

Urology
Urogynecology and Reconstructive Pelvic Surgery

4351056960 (MI)

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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 1407774110, 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 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
0
Doubled → 0
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
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 0 → 0 7 → 14 → 5 4 → 8 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 1 + 4 + 7 + 8 + 1 + 2 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1407774110.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407774110, enumerated as an "individual" on July 09, 2026.

The provider is located at 3535 WEST THIRTEEN MILE ROAD, SUITE 438 ROYAL OAK, MI 48073 and the phone number is (248) 551-9238.

Urology with taxonomy code 208800000X.