DR. JOHN VALENTINE BRULL PSYD
NPI 1699657353
Psychologist in Rockville Centre, NY

NPI Status: Active since July 23, 2025

Contact Information

195 BURTIS AVE
ROCKVILLE CENTRE, NY
ZIP 11570
Phone: (516) 712-5050

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  • Individual
  • Male
  • Psychologist

About JOHN BRULL

This page provides the complete NPI Profile along with additional information for John Brull, a provider established in Rockville Centre, New York with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1699657353 assigned on July 2025. The practitioner's primary taxonomy code is 103T00000X with license number 027387 (NY). The provider is registered as an individual and his NPI record was last updated July 2025.

NPI
1699657353
Provider Name
DR. JOHN VALENTINE BRULL PSYD
Gender
Male
Entity Type
Individual
Location Address
195 BURTIS AVE ROCKVILLE CENTRE, NY 11570
Location Phone
(516) 712-5050
Mailing Address
195 BURTIS AVE ROCKVILLE CENTRE, NY 11570
Mailing Phone
(516) 712-5050
Is Sole Proprietor?
Yes
Enumeration Date
07-23-2025
Last Update Date
07-23-2025
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A psychologist like John Brull 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.

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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

Taxonomy Code
103T00000X
Type
Behavioral Health & Social Service Providers
License No.
027387
License State
NY
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 Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1699657353
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
2618912514310
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 6 + 1 + 8 + 9 + 1 + 2 + 5 + 1 + 4 + 3 + 1 + 0 + 24 = 67
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 67 = 33

The NPI number 1699657353 is valid because the calculated check digit 3 using the Luhn validation algorithm matches the last digit of the original NPI number.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699657353, enumerated in the NPI registry as an "individual" on July 23, 2025

The provider is located at 195 Burtis Ave Rockville Centre, Ny 11570 and the phone number is (516) 712-5050

The provider's speciality is Psychologist with taxonomy code 103T00000X

This NPI record was last updated on July 23, 2025. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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