COUNTY OF WASHTENAW
NPI 1225916935
Community/Behavioral Health in Ypsilanti, MI

NPI Status: Active since August 22, 2025

Contact Information

555 TOWNER ST
YPSILANTI, MI
ZIP 48198
Phone: (734) 544-3050
Fax: (734) 544-6732

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  • Organization
  • Community/Behavioral Health

About COUNTY OF WASHTENAW

This page provides the complete NPI Profile along with additional information for County Of Washtenaw, a provider established in Ypsilanti, Michigan operating as a Community/behavioral Health. The healthcare provider is registered in the NPI registry with number 1225916935 assigned on August 2025. The practitioner's primary taxonomy code is 251S00000X. The provider is registered as an organization and their NPI record was last updated one year ago. The provider's . The authorized official of this NPI record is Trish Cortes Rn (Director)

NPI
1225916935
Provider Legal Name
COUNTY OF WASHTENAW
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
555 TOWNER ST YPSILANTI, MI 48198
Location Phone
(734) 544-3050
Location Fax
(734) 544-6732
Mailing Address
555 TOWNER ST YPSILANTI, MI 48198
Mailing Phone
(734) 544-3050
Mailing Fax
(734) 544-6732
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
08-22-2025
Last Update Date
08-22-2025
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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

Community/Behavioral Health

Taxonomy Code
251S00000X
Type
Agencies
Taxonomy Description
A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

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

TRISH CORTES RN

Authorized Official Title
DIRECTOR
Authorized Official Phone
(734) 544-3050

Reviews for COUNTY OF WASHTENAW

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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 1225916935, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
Check
5
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 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 1 + 8 + 1 + 1 + 2 + 9 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1225916935.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Preventive Medicine (Public Health & General Preventive Medicine)
555 TOWNER ST
YPSILANTI, MI 48198
Social Worker (Clinical)
555 TOWNER ST
YPSILANTI, MI 48198
Psychiatry & Neurology (Psychiatry)
555 TOWNER ST
YPSILANTI, MI 48198
Nurse Practitioner
555 TOWNER ST
YPSILANTI, MI 48198
Social Worker (Clinical)
555 TOWNER ST
YPSILANTI, MI 48198
Social Worker (Clinical)
555 TOWNER ST
YPSILANTI, MI 48198
Registered Nurse (Community Health)
555 TOWNER ST
YPSILANTI, MI 48198
Social Worker (Clinical)
555 TOWNER ST
YPSILANTI, MI 48198
Social Worker (Clinical)
555 TOWNER ST
YPSILANTI, MI 48198
Preventive Medicine (Public Health & General Preventive Medicine)
555 TOWNER ST
YPSILANTI, MI 48198
Social Worker (Clinical)
555 TOWNER ST
YPSILANTI, MI 48198
Social Worker (Clinical)
555 TOWNER ST
YPSILANTI, MI 48198
Clinic/Center (Public Health, State or Local)
555 TOWNER ST
YPSILANTI, MI 48198
Registered Nurse
555 TOWNER ST
YPSILANTI, MI 48198
Community/Behavioral Health
555 TOWNER ST
YPSILANTI, MI 48198
Registered Nurse (Community Health)
555 TOWNER ST
YPSILANTI, MI 48198
Social Worker (Clinical)
555 TOWNER ST
YPSILANTI, MI 48198
Social Worker (Clinical)
555 TOWNER ST
YPSILANTI, MI 48198
Registered Nurse (Community Health)
555 TOWNER ST
YPSILANTI, MI 48198

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225916935, enumerated as an "organization" on August 22, 2025.

The provider is located at 555 TOWNER ST YPSILANTI, MI 48198 and the phone number is (734) 544-3050.

Community/Behavioral Health with taxonomy code 251S00000X.