CHRISTOPHER CARVAJAL
NPI 1659219715
Psychologist in Bronx, NY

NPI Status: Active since March 23, 2026

Contact Information

2488 GRAND CONCOURSE
BRONX, NY
ZIP 10458
Phone: (646) 283-2096

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  • Individual
  • Male
  • Psychologist

About CHRISTOPHER CARVAJAL

This page provides the complete NPI Profile along with additional information for Christopher Carvajal, a provider established in Bronx, New York with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1659219715 assigned on March 2026. The practitioner's primary taxonomy code is 103T00000X. The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1659219715
Provider Name
CHRISTOPHER CARVAJAL
Gender
Male
Entity Type
Individual
Location Address
2488 GRAND CONCOURSE BRONX, NY 10458
Location Phone
(646) 283-2096
Mailing Address
3675 BROADWAY APT 6E NEW YORK, NY 10031
Is Sole Proprietor?
Yes
Enumeration Date
03-23-2026
Last Update Date
03-23-2026
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A psychologist like Christopher Carvajal 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
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 1659219715, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
1
Doubled → 2
Check
5
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 5 → 10 → 1 2 → 4 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 4 + 1 + 1 + 8 + 7 + 2 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1659219715.

Other Providers at the Same Location


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

Podiatrist
2488 GRAND CONCOURSE
BRONX, NY 10458
Dentist (Orthodontics and Dentofacial Orthopedics)
2488 GRAND CONCOURSE, 318
BRONX, NY 10458
Counselor (Addiction (Substance Use Disorder))
2488 GRAND CONCOURSE
BRONX, NY 10458
Clinic/Center (Rehabilitation, Comprehensive Outpatient Rehabilitation Facility (CORF))
2488 GRAND CONCOURSE, STE 417
BRONX, NY 10458
Case Management
2488 GRAND CONCOURSE
BRONX, NY 10458
Clinic/Center (Rehabilitation, Substance Use Disorder)
2488 GRAND CONCOURSE
BRONX, NY 10458
Case Manager/Care Coordinator
2488 GRAND CONCOURSE, STE 417
BRONX, NY 10458
Counselor (Addiction (Substance Use Disorder))
2488 GRAND CONCOURSE, STE 417
BRONX, NY 10458
Counselor (Addiction (Substance Use Disorder))
2488 GRAND CONCOURSE
BRONX, NY 10458
Social Worker (Clinical)
2488 GRAND CONCOURSE
BRONX, NY 10458
Nurse Practitioner (Adult Health)
2488 GRAND CONCOURSE, FOURTH FLOOR ROOM 424
BRONX, NY 10458
Nurse Practitioner (Family)
2488 GRAND CONCOURSE, 4TH FLOOR ROOM 424
BRONX, NY 10458
Counselor (Addiction (Substance Use Disorder))
2488 GRAND CONCOURSE
BRONX, NY 10458
Home Health
2488 GRAND CONCOURSE, SUITE #334
BRONX, NY 10458
Clinic/Center (Physical Therapy)
2488 GRAND CONCOURSE
BRONX, NY 10458
Clinic/Center (Physical Therapy)
2488 GRAND CONCOURSE
BRONX, NY 10458
Physical Therapist
2488 GRAND CONCOURSE
BRONX, NY 10458
Counselor (Addiction (Substance Use Disorder))
2488 GRAND CONCOURSE, SUITE 417
BRONX, NY 10458
Registered Nurse (Home Health)
2488 GRAND CONCOURSE, ROOM 409
BRONX, NY 10458
Counselor (Addiction (Substance Use Disorder))
2488 GRAND CONCOURSE, SUITE 417
BRONX, NY 10458

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659219715, enumerated as an "individual" on March 23, 2026.

The provider is located at 2488 GRAND CONCOURSE BRONX, NY 10458 and the phone number is (646) 283-2096.

Psychologist with taxonomy code 103T00000X.