HAMADI BREWER
NPI 1437093523
Clinic/Center - Mental Health (Including Community Mental Health Center) in Washington, DC

NPI Status: Active since April 17, 2026

Contact Information

208 I ST NE
WASHINGTON, DC
ZIP 20002
Phone: (202) 240-2870
Fax: (202) 929-2833

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Clinic/Center
Mental Health (Including Community Menta...

About HAMADI BREWER

This page provides the complete NPI Profile along with additional information for Hamadi Brewer, a provider established in Washington, District Of Columbia with a medical specialization in Clinic/center, focusing in mental health (including community mental health center) . The healthcare provider is registered in the NPI registry with number 1437093523 assigned on April 2026. The practitioner's primary taxonomy code is 261QM0801X. The provider is registered as an individual and his NPI record was last updated April 2026.

NPI: 1437093523
Provider Name: HAMADI BREWER
Gender: Male
Entity Type: Individual
Location Address: 208 I ST NE WASHINGTON, DC 20002
Location Phone: (202) 240-2870
Location Fax: (202) 929-2833
Mailing Address: 11141 GEORGIA AVE APT 913 WHEATON, MD 20902
Mailing Phone: (202) 240-2870
Is Sole Proprietor?: Yes
Enumeration Date: 04-17-2026
Last Update Date: 04-17-2026
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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: Clinic/Center Mental Health (Including Community Mental Health Center)
Taxonomy Code: 261QM0801X
Type: Ambulatory Health Care Facilities
License State: DC

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 1437093523, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 0

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 0 → 0 3 → 6 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 0 + 9 + 6 + 5 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3

This NPI is valid

The calculated check digit is 3, which matches the last digit of 1437093523.