DENZER FRANK FOSTER MA, LLPC.
NPI 1720911043
Counselor - Mental Health in Mt Pleasant, MI

NPI Status: Active since June 05, 2026

Contact Information

411 W BROADWAY ST
MT PLEASANT, MI
ZIP 48858
Phone: (989) 779-8999
Fax: (989) 419-5953

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  • Individual
  • Male
  • Counselor
  • Mental Health

About DENZER FOSTER

This page provides the complete NPI Profile along with additional information for Denzer Foster, a provider established in Mt Pleasant, Michigan with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1720911043 assigned on June 2026. The practitioner's primary taxonomy code is 101YM0800X with license number 6451023657 (MI). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1720911043
Provider Name
DENZER FRANK FOSTER MA, LLPC.
Gender
Male
Entity Type
Individual
Location Address
411 W BROADWAY ST MT PLEASANT, MI 48858
Location Phone
(989) 779-8999
Location Fax
(989) 419-5953
Mailing Address
2222 S CRAWFORD RD APT B22 MT PLEASANT, MI 48858
Mailing Phone
(715) 331-9111
Is Sole Proprietor?
No
Enumeration Date
06-05-2026
Last Update Date
06-05-2026
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A mental health counselor like Denzer Foster provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
6451023657
License State
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 1720911043, 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
7
Unchanged
Pos 3
2
Doubled → 4
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
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 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 4 + 0 + 1 + 8 + 1 + 2 + 0 + 8 + 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 1720911043.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Internal Medicine
411 W BROADWAY ST, SUITE A
MT PLEASANT, MI 48858
Nurse Practitioner
411 W BROADWAY ST, SUITE A
MOUNT PLEASANT, MI 48858
Physician Assistant
411 W BROADWAY ST, SUITE C
MT PLEASANT, MI 48858
Internal Medicine (Nephrology)
411 W BROADWAY ST
MT PLEASANT, MI 48858
Counselor (Mental Health)
411 W BROADWAY ST
MOUNT PLEASANT, MI 48858
Social Worker (Clinical)
411 W BROADWAY ST
MT PLEASANT, MI 48858
Counselor (Mental Health)
411 W BROADWAY ST
MT PLEASANT, MI 48858
Psychologist (Clinical)
411 W BROADWAY ST
MT PLEASANT, MI 48858
Counselor
411 W BROADWAY ST
MOUNT PLEASANT, MI 48858
Counselor (Mental Health)
411 W BROADWAY ST
MOUNT PLEASANT, MI 48858
Clinic/Center (Rural Health)
411 W BROADWAY ST, SUITE A
MOUNT PLEASANT, MI 48858
Internal Medicine (Pulmonary Disease)
411 W BROADWAY ST, SUITE B
MOUNT PLEASANT, MI 48858
Counselor (Mental Health)
411 W BROADWAY ST
MT PLEASANT, MI 48858
Counselor (Mental Health)
411 W BROADWAY ST
MOUNT PLEASANT, MI 48858

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720911043, enumerated as an "individual" on June 05, 2026.

The provider is located at 411 W BROADWAY ST MT PLEASANT, MI 48858 and the phone number is (989) 779-8999.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.