NICHOLAS P HOFFMANN
NPI 1619576816
Psychologist in Louisville, KY

NPI Status: Active since October 20, 2020

Contact Information

411 E CHESTNUT ST
LOUISVILLE, KY
ZIP 40202
Phone: (502) 588-0850

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  • Individual
  • Male
  • Psychologist
  • PECOS Enrolled

About NICHOLAS HOFFMANN

This page provides the complete NPI Profile along with additional information for Nicholas Hoffmann, a provider established in Louisville, Kentucky with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1619576816 assigned on October 2020. The practitioner's primary taxonomy code is 103T00000X with license number 304504 (KY). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1619576816
Provider Name
NICHOLAS P HOFFMANN
Gender
Male
Entity Type
Individual
Location Address
411 E CHESTNUT ST LOUISVILLE, KY 40202
Location Phone
(502) 588-0850
Mailing Address
PO BOX 776879 CHICAGO, IL 60677
Mailing Phone
(502) 588-9490
Is Sole Proprietor?
No
Enumeration Date
10-20-2020
Last Update Date
06-09-2026
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A psychologist like Nicholas Hoffmann 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.
304504
License State
KY
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.

Medicare Participation & PECOS Enrollment Status

Nicholas Hoffmann is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

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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 1619576816, 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
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
1
Doubled → 2
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 1 → 2 5 → 10 → 1 6 → 12 → 3 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 1 + 0 + 7 + 1 + 2 + 8 + 2 + 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 1619576816.

Other Providers at the Same Location


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

Physician Assistant
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Psychologist (Clinical Child & Adolescent)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Psychologist (Clinical Child & Adolescent)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Medical Genetics (Clinical Genetics (M.D.))
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Psychologist (Clinical)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Surgery (Pediatric Surgery)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Pediatrics (Pediatric Infectious Diseases)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Pediatrics (Pediatric Nephrology)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Dietitian, Registered
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Social Worker (Clinical)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Pediatrics (Pediatric Endocrinology)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Social Worker (Clinical)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Dietitian, Registered (Nutrition, Metabolic)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Genetic Counselor, MS
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Social Worker (Clinical)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Genetic Counselor, MS
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Speech-Language Pathologist
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Genetic Counselor, MS
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Social Worker (Clinical)
411 E CHESTNUT ST, LEVEL 6
LOUISVILLE, KY 40202
Psychologist (Clinical Child & Adolescent)
411 E CHESTNUT ST
LOUISVILLE, KY 40202

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619576816, enumerated as an "individual" on October 20, 2020.

The provider is located at 411 E CHESTNUT ST LOUISVILLE, KY 40202 and the phone number is (502) 588-0850.

Psychologist with taxonomy code 103T00000X.