JOHN PELTZ PHD
NPI 1720927411
Psychologist - Clinical Child & Adolescent in Rochester, NY
NPI Status: Active since March 26, 2026
Contact Information
155 GREGORY HILL RD
ROCHESTER, NY
ZIP 14620
Phone: (585) 434-7600
- Individual
- Male
- Psychologist
- Clinical Child & Adolescent
About JOHN PELTZ
This page provides the complete NPI Profile along with additional information for John Peltz, a provider established in Rochester, New York with a medical specialization in Psychologist, focusing in clinical child & adolescent . The healthcare provider is registered in the NPI registry with number 1720927411 assigned on March 2026. The practitioner's primary taxonomy code is 103TC2200X with license number 022207-1 (NY). The provider is registered as an individual and his NPI record was last updated March 2026.
- NPI
- 1720927411
- Provider Name
- JOHN PELTZ PHD
- Other Name
- JACK PELTZ
- Other Name Type
- Other Name (5)
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 155 GREGORY HILL RD ROCHESTER, NY 14620
- Location Phone
- (585) 434-7600
- Mailing Address
- 155 GREGORY HILL RD ROCHESTER, NY 14620
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-26-2026
- Last Update Date
- 03-26-2026
- Code Navigator
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 Clinical Child & Adolescent
- Taxonomy Code
- 103TC2200X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 022207-1
- License State
- NY
- Taxonomy Description
- A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
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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 1720927411, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 59 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720927411, enumerated as an "individual" on March 26, 2026.
The provider is located at 155 GREGORY HILL RD ROCHESTER, NY 14620 and the phone number is (585) 434-7600.
Psychologist with taxonomy code 103TC2200X and a focus in Clinical Child & Adolescent.
