DR. DONNA MAY ZOOK PHD
NPI 1861559957
Counselor - Professional in Great Falls, MT

NPI Status: Active since January 02, 2007

Contact Information

1601 2ND AVE N
SUITE 620
GREAT FALLS, MT
ZIP 59401
Phone: (406) 453-5638
Fax: (406) 453-1534

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  • Individual
  • Female
  • Counselor
  • Professional

About DONNA ZOOK

This page provides the complete NPI Profile along with additional information for Donna Zook, a provider established in Great Falls, Montana with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1861559957 assigned on January 2007. The practitioner's primary taxonomy code is 101YP2500X with license number 1054 (MT). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1861559957
Provider Name
DR. DONNA MAY ZOOK PHD
Gender
Female
Entity Type
Individual
Location Address
1601 2ND AVE N SUITE 620 GREAT FALLS, MT 59401
Location Phone
(406) 453-5638
Location Fax
(406) 453-1534
Mailing Address
1601 2ND AVE N SUITE 620 GREAT FALLS, MT 59401
Mailing Phone
(406) 453-5638
Mailing Fax
(406) 453-1534
Is Sole Proprietor?
Yes
Enumeration Date
01-02-2007
Last Update Date
09-11-2025
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
1054
License State
MT

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)
1103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

MT349 (MT)
2103TF0200XBehavioral Health & Social Service Providers

Psychologist
Forensic

MT349 (MT)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
0491674MEDICAID (05)MT 
740360OTHER (01)MTBCBS

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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 1861559957, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
7
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 6 → 12 → 3 5 → 10 → 1 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 1 + 0 + 5 + 1 + 8 + 9 + 1 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1861559957.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Counselor (Professional)
1601 2ND AVE N, STE 650
GREAT FALLS, MT 59401
Community/Behavioral Health
1601 2ND AVE N, 218
GREAT FALLS, MT 59401
Counselor
1601 2ND AVE N, SUITE 430
GREAT FALLS, MT 59401
Counselor (Professional)
1601 2ND AVE N, SUITE 430
GREAT FALLS, MT 59401
Counselor (Professional)
1601 2ND AVE N, SUITE 616
GREAT FALLS, MT 59401
Counselor
1601 2ND AVE N, SUITE 430
GREAT FALLS, MT 59401
Speech-Language Pathologist
1601 2ND AVE N, SUITE 550
GREAT FALLS, MT 59401
Counselor (Professional)
1601 2ND AVE N, SUITE 650
GREAT FALLS, MT 59401
Counselor (Professional)
1601 2ND AVE N, STE. 622
GREAT FALLS, MT 59401
Nurse Practitioner (Psychiatric/Mental Health)
1601 2ND AVE N
GREAT FALLS, MT 59401
Community Health Worker
1601 2ND AVE N
GREAT FALLS, MT 59401
Counselor (Professional)
1601 2ND AVE N, #614
GREAT FALLS, MT 59401
Internal Medicine (Critical Care Medicine)
1601 2ND AVE N
GREAT FALLS, MT 59401
Nurse Practitioner (Psychiatric/Mental Health)
1601 2ND AVE N, SUITE 650
GREAT FALLS, MT 59401
Massage Therapist
1601 2ND AVE N, SUITE 516
GREAT FALLS, MT 59401
In Home Supportive Care
1601 2ND AVE N, SUITE 212
GREAT FALLS, MT 59401
Counselor (Mental Health)
1601 2ND AVE N, OLIVE BRANCH PSYCHOTHERAPY
GREAT FALLS, MT 59401
Naturopath
1601 2ND AVE N, SUITE 520
GREAT FALLS, MT 59401
Counselor (Mental Health)
1601 2ND AVE N, STE 450
GREAT FALLS, MT 59401
Counselor
1601 2ND AVE N, SUITE 342
GREAT FALLS, MT 59401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861559957, enumerated as an "individual" on January 02, 2007.

The provider is located at 1601 2ND AVE N SUITE 620 GREAT FALLS, MT 59401 and the phone number is (406) 453-5638.

Counselor with taxonomy code 101YP2500X and a focus in Professional.

The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.