DR. DAVID JUNNO PSY.D.
NPI 1861444382
Psychologist - Adult Development & Aging in Northampton, MA

NPI Status: Active since May 16, 2006

Contact Information

51 LOCUST ST
NORTHAMPTON, MA
ZIP 01060
Phone: (413) 586-7559
Fax: (413) 586-7560

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  • Individual
  • Male
  • Psychologist
  • Adult Development & Aging

About DAVID JUNNO

This page provides the complete NPI Profile along with additional information for David Junno, a provider established in Northampton, Massachusetts with a medical specialization in Psychologist, focusing in adult development & aging . The healthcare provider is registered in the NPI registry with number 1861444382 assigned on May 2006. The practitioner's primary taxonomy code is 103TA0700X with license number 4661 (MA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1861444382
Provider Name
DR. DAVID JUNNO PSY.D.
Gender
Male
Entity Type
Individual
Location Address
51 LOCUST ST NORTHAMPTON, MA 01060
Location Phone
(413) 586-7559
Location Fax
(413) 586-7560
Mailing Address
73 STRAW AVE FLORENCE, MA 01062
Mailing Phone
(413) 584-8263
Is Sole Proprietor?
Yes
Enumeration Date
05-16-2006
Last Update Date
09-11-2025
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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 Adult Development & Aging

Taxonomy Code
103TA0700X
Type
Behavioral Health & Social Service Providers
License No.
4661
License State
MA
Taxonomy Description
A psychologist who specializes in geropsychology, which applies the knowledge and methods of psychology to understanding and helping older persons and their families to maintain well-being, overcome problems and achieve maximum potential during later life. Professional geropsychology appreciates the wide diversity among older adults, the complex ethical issues that can arise in geriatric practice and the importance of interdisciplinary models of care.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1103T00000XBehavioral Health & Social Service Providers

Psychologist

4661 (MA)
2103TB0200XBehavioral Health & Social Service Providers

Psychologist
Cognitive & Behavioral

4661 (MA)
3103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

4661 (MA)
4103TC1900XBehavioral Health & Social Service Providers

Psychologist
Counseling

4661 (MA)
5103TC2200XBehavioral Health & Social Service Providers

Psychologist
Clinical Child & Adolescent

4661 (MA)
6103TH0100XBehavioral Health & Social Service Providers

Psychologist
Health Service

4661 (MA)
7103TP2701XBehavioral Health & Social Service Providers

Psychologist
Group Psychotherapy

4661 (MA)

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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 1861444382, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
2
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 6 → 12 → 3 4 → 8 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 8 + 4 + 8 + 3 + 1 + 6 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1861444382.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Physician Assistant
51 LOCUST ST
NORTHAMPTON, MA 01060
Psychologist (Clinical)
51 LOCUST ST
NORTHAMPTON, MA 01060
General Practice
51 LOCUST ST
NORTHAMPTON, MA 01060
Clinic/Center (Urgent Care)
51 LOCUST ST
NORTHAMPTON, MA 01060
Family Medicine
51 LOCUST ST, #5
NORTHAMPTON, MA 01060
Dentist (General Practice)
51 LOCUST ST, SUITE #2
NORTHAMPTON, MA 01060
Psychiatry & Neurology (Psychiatry)
51 LOCUST ST, UNIT #4
NORTHAMPTON, MA 01060
Psychologist (Clinical)
51 LOCUST ST, SUITE 5
NORTHAMPTON, MA 01060
Dentist (General Practice)
51 LOCUST ST, SUITE 2
NORTHAMPTON, MA 01060
Counselor (Addiction (Substance Use Disorder))
51 LOCUST ST
NORTHAMPTON, MA 01060
Dentist (General Practice)
51 LOCUST ST
NORTHAMPTON, MA 01060
Internal Medicine (Nephrology)
51 LOCUST ST, SUITE 3
NORTHAMPTON, MA 01060
Internal Medicine (Addiction Medicine)
51 LOCUST ST
NORTHAMPTON, MA 01060
Clinic/Center (Urgent Care)
51 LOCUST ST
NORTHAMPTON, MA 01060

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861444382, enumerated as an "individual" on May 16, 2006.

The provider is located at 51 LOCUST ST NORTHAMPTON, MA 01060 and the phone number is (413) 586-7559.

Psychologist with taxonomy code 103TA0700X and a focus in Adult Development & Aging.