DR. JOSEPH J. HORAK PH.D.
NPI 1629168034
Psychologist in Grand Rapids, MI

NPI Status: Active since October 14, 2006

Contact Information

1179 E PARIS AVE SE
STE. 220
GRAND RAPIDS, MI
ZIP 49546
Phone: (616) 942-2327
Fax: (616) 454-0061

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  • Individual
  • Male
  • Psychologist

About JOSEPH HORAK

This page provides the complete NPI Profile along with additional information for Joseph Horak, a provider established in Grand Rapids, Michigan with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1629168034 assigned on October 2006. The practitioner's primary taxonomy code is 103T00000X with license number 6301012066 (MI). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1629168034
Provider Name
DR. JOSEPH J. HORAK PH.D.
Gender
Male
Entity Type
Individual
Location Address
1179 E PARIS AVE SE STE. 220 GRAND RAPIDS, MI 49546
Location Phone
(616) 942-2327
Location Fax
(616) 454-0061
Mailing Address
1179 E PARIS AVE SE STE. 220 GRAND RAPIDS, MI 49546
Mailing Phone
(616) 942-2327
Mailing Fax
(616) 454-0061
Is Sole Proprietor?
No
Enumeration Date
10-14-2006
Last Update Date
07-08-2007
Code Navigator

A psychologist like Joseph Horak 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

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.
6301012066
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 1629168034, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 4 + 9 + 2 + 6 + 1 + 6 + 0 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1629168034.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
1179 E PARIS AVE SE, SUITE 220
GRAND RAPIDS, MI 49546
Dentist (Pediatric Dentistry)
1179 E PARIS AVE SE, SUITE 130
GRAND RAPIDS, MI 49546
Social Worker (Clinical)
1179 E PARIS AVE SE, SUITE # 220
GRAND RAPIDS, MI 49546
Otolaryngology (Plastic Surgery within the Head & Neck)
1179 E PARIS AVE SE, SUITE 102
GRAND RAPIDS, MI 49546
Allergy & Immunology
1179 E PARIS AVE SE, SUITE 150
GRAND RAPIDS, MI 49546
Nurse Practitioner
1179 E PARIS AVE SE, SUITE 150
GRAND RAPIDS, MI 49546
Dentist (Pediatric Dentistry)
1179 E PARIS AVE SE
GRAND RAPIDS, MI 49546
Otolaryngology (Plastic Surgery within the Head & Neck)
1179 E PARIS AVE SE
GRAND RAPIDS, MI 49546
Otolaryngology (Facial Plastic Surgery)
1179 E PARIS AVE SE
GRAND RAPIDS, MI 49546
Otolaryngology (Facial Plastic Surgery)
1179 E PARIS AVE SE
GRAND RAPIDS, MI 49546
Dentist (Pediatric Dentistry)
1179 E PARIS AVE SE
GRAND RAPIDS, MI 49546
Social Worker (Clinical)
1179 E PARIS AVE SE
GRAND RAPIDS, MI 49546
Clinic/Center (Adult Mental Health)
1179 E PARIS AVE SE, SUITE 220
GRAND RAPIDS, MI 49546
Psychiatry & Neurology (Psychiatry)
1179 E PARIS AVE SE, STE. 220
GRAND RAPIDS, MI 49546
Colon & Rectal Surgery
1179 E PARIS AVE SE, STE. 200
GRAND RAPIDS, MI 49546
Ophthalmology
1179 E PARIS AVE SE, 250
GRAND RAPIDS, MI 49546
Marriage & Family Therapist
1179 E PARIS AVE SE, SUITE 220
GRAND RAPIDS, MI 49546

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1629168034, enumerated as an "individual" on October 14, 2006.

The provider is located at 1179 E PARIS AVE SE STE. 220 GRAND RAPIDS, MI 49546 and the phone number is (616) 942-2327.

Psychologist with taxonomy code 103T00000X.