DR. MARC W ZYLSTRA PH.D.
NPI 1295847002
Psychologist - Group Psychotherapy in Wauwatosa, WI

NPI Status: Active since August 31, 2006

Contact Information

2525 N MAYFAIR RD
SUITE 200
WAUWATOSA, WI
ZIP 53226
Phone: (414) 476-8183
Fax: (414) 476-8465

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  • Individual
  • Male
  • Psychologist
  • Group Psychotherapy

About MARC ZYLSTRA

This page provides the complete NPI Profile along with additional information for Marc Zylstra, a provider established in Wauwatosa, Wisconsin with a medical specialization in Psychologist, focusing in group psychotherapy . The healthcare provider is registered in the NPI registry with number 1295847002 assigned on August 2006. The practitioner's primary taxonomy code is 103TP2701X with license number 1817-057 (WI). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1295847002
Provider Name
DR. MARC W ZYLSTRA PH.D.
Gender
Male
Entity Type
Individual
Location Address
2525 N MAYFAIR RD SUITE 200 WAUWATOSA, WI 53226
Location Phone
(414) 476-8183
Location Fax
(414) 476-8465
Mailing Address
2525 N MAYFAIR RD SUITE 200 WAUWATOSA, WI 53226
Mailing Phone
(414) 476-8183
Mailing Fax
(414) 476-8465
Is Sole Proprietor?
No
Enumeration Date
08-31-2006
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

Psychologist Group Psychotherapy

Taxonomy Code
103TP2701X
Type
Behavioral Health & Social Service Providers
License No.
1817-057
License State
WI
Taxonomy Description
A psychologist who specializes in group psychology and group psychotherapy that is an evidenced-based specialty that prepares group leaders to identify and capitalize on developmental and healing possibilities embedded in the interpersonal/intrapersonal functioning of individual group members as well as collectively for the group. Emphasis is placed on the use of group dynamics to assist and treat individual group members. The specialty is applicable to all age groups, children, adolescents, adults and older adults, for a wide variety of conditions and concerns, and in numerous and diverse settings.

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)
1103T00000XBehavioral Health & Social Service Providers

Psychologist

1817-057 (WI)
2103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

1817-057 (WI)
3103TH0100XBehavioral Health & Social Service Providers

Psychologist
Health Service

43715 (WI)

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.

*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
21280000MEDICAID (05)WI 
39640900MEDICAID (05)WI 

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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 1295847002, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
2
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 9 → 18 → 9 8 → 16 → 7 7 → 14 → 5 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 6 + 4 + 1 + 4 + 0 + 0 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1295847002.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Physical Therapist
2525 N MAYFAIR RD, SUITE 200
WAUWATOSA, WI 53226
Counselor (Professional)
2525 N MAYFAIR RD, SUITE 200
WAUWATOSA, WI 53226
Physical Medicine & Rehabilitation (Pain Medicine)
2525 N MAYFAIR RD, SUITE 200
WAUWATOSA, WI 53226
Psychologist (Group Psychotherapy)
2525 N MAYFAIR RD, SUITE 200
WAUWATOSA, WI 53226
Physical Medicine & Rehabilitation
2525 N MAYFAIR RD, SUITE 200
WAUWATOSA, WI 53226

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295847002, enumerated as an "individual" on August 31, 2006.

The provider is located at 2525 N MAYFAIR RD SUITE 200 WAUWATOSA, WI 53226 and the phone number is (414) 476-8183.

Psychologist with taxonomy code 103TP2701X and a focus in Group Psychotherapy.

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