Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JENNILEE KOLB
NPI 1437807286
Counselor in Bay City, MI

Active since March 11, 2022
720 LIVINGSTON ST, BAY CITY, MI 48708(989) 778-1090 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 14, 2026, Jul 8, 2026, May 16, 2024 and 1 more (4 updates tracked since 2022).

  • Individual
  • Female
  • Counselor

About JENNILEE KOLB

This page provides the complete NPI Profile along with additional information for Jennilee Kolb, a provider established in Bay City, Michigan with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1437807286 assigned on March 2022. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1437807286
Provider Name
JENNILEE KOLB
Gender
Female
Entity Type
Individual
Location Address
720 LIVINGSTON ST BAY CITY, MI 48708
Location Phone
(989) 778-1090
Mailing Address
PO BOX 741 STANDISH, MI 48658
Mailing Phone
(989) 846-9631
Is Sole Proprietor?
No
Enumeration Date
03-11-2022
Last Update Date
07-14-2026
Code Navigator

Location Map

Secondary Locations

  • 467 N State St
    Caro, MI 48723
    (989) 672-2016
  • 110 E Huron Ave
    Bad Axe, MI 48413
    (989) 975-6696
  • 33 W Sanilac Rd
    Sandusky, MI 48471
    (810) 648-0668
  • 624 W Nepessing St Ste 300
    Lapeer, MI 48446
    (810) 667-4500
  • 651 N State St
    Caro, MI 48723
    (989) 673-5700
  • 5024 N Center Rd
    Saginaw, MI 48604
    (989) 790-3130
  • 126 Washington Ave
    Bay City, MI 48708
    (989) 684-7977

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

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
License State
MI
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

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)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

(MI)
2101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

(MI)
3247200000XTechnologists, Technicians & Other Technical Service Providers

Technician, Other

 

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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 1437807286, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
6
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 8 → 16 → 7 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 1 + 6 + 0 + 1 + 4 + 2 + 1 + 6 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1437807286.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Podiatrist
720 LIVINGSTON ST
BAY CITY, MI 48708
Podiatrist
720 LIVINGSTON ST
BAY CITY, MI 48708
Podiatrist (Foot & Ankle Surgery)
720 LIVINGSTON ST
BAY CITY, MI 48708
Podiatrist (Foot & Ankle Surgery)
720 LIVINGSTON ST
BAY CITY, MI 48708
Technician, Other
720 LIVINGSTON ST
BAY CITY, MI 48708
Technician, Other
720 LIVINGSTON ST
BAY CITY, MI 48708
Behavior Technician
720 LIVINGSTON ST
BAY CITY, MI 48708
Behavior Technician
720 LIVINGSTON ST
BAY CITY, MI 48708
Behavior Technician
720 LIVINGSTON ST
BAY CITY, MI 48708

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437807286, enumerated as an "individual" on March 11, 2022.

The provider is located at 720 LIVINGSTON ST BAY CITY, MI 48708 and the phone number is (989) 778-1090.

Counselor with taxonomy code 101Y00000X.