CHASS MACK
NPI 1013617364
Clinic/Center - Federally Qualified Health Center (FQHC) in Detroit, MI

NPI Status: Active since March 06, 2023

Contact Information

3426 MACK AVENUE
DETROIT, MI
ZIP 48207
Phone: (313) 849-3920

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  • Organization
  • Clinic/Center
  • Federally Qualified Health Center (FQHC)
  • CLIA Number: 23D1056538
  • CLIA Cert. Type: Federally Qualified Health Center
  • CLIA Exp. Date: 07-18-2026

About CHASS MACK

This page provides the complete NPI Profile along with additional information for Chass Mack, a primary care provider established in Detroit, Michigan operating as a Clinic/center, focusing in federally qualified health center (fqhc) . The healthcare provider is registered in the NPI registry with number 1013617364 assigned on March 2023. The practitioner's primary taxonomy code is 261QF0400X. The provider is registered as an organization and their NPI record was last updated 2 years ago. The provider's is doing business as Chass Mack. The authorized official of this NPI record is Felix Mario Valbuena Jr. Md (Ceo)

NPI
1013617364
Provider Legal Name
COMMUNITY HEALTH AND SOCIAL SERVICES CENTER, INC
Other Organization Name
CHASS MACK
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
3426 MACK AVENUE DETROIT, MI 48207
Location Phone
(313) 849-3920
Mailing Address
5635 W FORT ST DETROIT, MI 48209
Mailing Phone
(313) 849-3920
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-06-2023
Last Update Date
08-08-2024
Code Navigator

A primary care provider (PCP) like Chass Mack sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

Location Map

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 Federally Qualified Health Center (FQHC)

Taxonomy Code
261QF0400X
Type
Ambulatory Health Care Facilities

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

FELIX MARIO VALBUENA JR. MD

Authorized Official Title
CEO
Authorized Official Phone
(313) 849-3920

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
23D1056538
Facility Type
Federally Qualified Health Center
Certificate Effective Date
July 19, 2024
Certificate Expiration Date
July 18, 2026
Laboratory Director
FELIX M. VALBUENA MD
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to Chass Mack in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.

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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 1013617364, we treat the final digit (4) 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 4).

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
0
Unchanged
Pos 3
1
Doubled → 2
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
3
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 1 → 2 6 → 12 → 3 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 2 + 3 + 1 + 2 + 1 + 1 + 4 + 3 + 1 + 2 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1013617364.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1013617364, enumerated as an "organization" on March 06, 2023.

The provider is located at 3426 MACK AVENUE DETROIT, MI 48207 and the phone number is (313) 849-3920.

Clinic/Center with taxonomy code 261QF0400X and a focus in Federally Qualified Health Center (FQHC).