NICHOLAS HOLLAND LLP
NPI 1164378949
Psychologist in Okemos, MI

NPI Status: Active since March 05, 2026

Contact Information

3970 HERITAGE AVE
OKEMOS, MI
ZIP 48864
Phone: (517) 507-5892

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  • Individual
  • Male
  • Psychologist

About NICHOLAS HOLLAND

This page provides the complete NPI Profile along with additional information for Nicholas Holland, a provider established in Okemos, Michigan with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1164378949 assigned on March 2026. The practitioner's primary taxonomy code is 103T00000X with license number 6361008314 (MI). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1164378949
Provider Name
NICHOLAS HOLLAND LLP
Gender
Male
Entity Type
Individual
Location Address
3970 HERITAGE AVE OKEMOS, MI 48864
Location Phone
(517) 507-5892
Mailing Address
3970 HERITAGE AVE OKEMOS, MI 48864
Mailing Phone
(517) 507-5892
Is Sole Proprietor?
No
Enumeration Date
03-05-2026
Last Update Date
03-09-2026
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A psychologist like Nicholas Holland studies cognitive, emotional, social processes and behavior by observing, interpreting, and recording how people relate to one another and to their environments. Psychologists gather information and evaluate behavior through controlled laboratory experiments, psychoanalysis, psychotherapy or through personality, performance, aptitude, or intelligence tests, and use this information when testing theories in their research or when treating patients.

Location Map

Secondary Locations

  • 2460 Burton St SE Ste 301
    Grand Rapids, MI 49546
    (517) 507-5892

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

Taxonomy Code
103T00000X
Type
Behavioral Health & Social Service Providers
License No.
6361008314
License State
MI
Taxonomy Description
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

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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 1164378949, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
4
Doubled → 8
Check
9
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 3 → 6 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 6 + 7 + 1 + 6 + 9 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1164378949.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Social Worker (Clinical)
3970 HERITAGE AVE
OKEMOS, MI 48864
Counselor (Mental Health)
3970 HERITAGE AVE
OKEMOS, MI 48864
Social Worker (Clinical)
3970 HERITAGE AVE
OKEMOS, MI 48864
Psychologist
3970 HERITAGE AVE
OKEMOS, MI 48864
Social Worker (Clinical)
3970 HERITAGE AVE
OKEMOS, MI 48864
Social Worker (Clinical)
3970 HERITAGE AVE
OKEMOS, MI 48864
Social Worker
3970 HERITAGE AVE
OKEMOS, MI 48864
Social Worker (Clinical)
3970 HERITAGE AVE
OKEMOS, MI 48864

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164378949, enumerated as an "individual" on March 05, 2026.

The provider is located at 3970 HERITAGE AVE OKEMOS, MI 48864 and the phone number is (517) 507-5892.

Psychologist with taxonomy code 103T00000X.