DR. JANICE PLUNKETT D'AVIGNON PH.D.
NPI 1346387834
Psychologist - Rehabilitation in Quincy, MA
NPI Status: Active since January 31, 2007
Contact Information
111 WILLARD ST STE 1C
QUINCY, MA
ZIP 02169
Phone: (617) 472-6539
Fax: (617) 471-9925
- Individual
- Female
- Psychologist
- Rehabilitation
About JANICE D'AVIGNON
This page provides the complete NPI Profile along with additional information for Janice D'avignon, a provider established in Quincy, Massachusetts with a medical specialization in Psychologist, focusing in rehabilitation . The healthcare provider is registered in the NPI registry with number 1346387834 assigned on January 2007. The practitioner's primary taxonomy code is 103TR0400X with license number 3937 (MA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1346387834
- Provider Name
- DR. JANICE PLUNKETT D'AVIGNON PH.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 111 WILLARD ST STE 1C QUINCY, MA 02169
- Location Phone
- (617) 472-6539
- Location Fax
- (617) 471-9925
- Mailing Address
- 22 BENNINGTON ST QUINCY, MA 02169
- Mailing Phone
- (617) 472-6539
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-31-2007
- Last Update Date
- 09-11-2025
- 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 Rehabilitation
- Taxonomy Code
- 103TR0400X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 3937
- License State
- MA
- Taxonomy Description
- A psychologist who specializes in the study and application of psychological principles on behalf of persons who have disability due to injury or illness. Rehabilitation psychologists, often within teams, assess and treat cognitive, emotional, and functional difficulties, and help people to overcome barriers to participation in life activities. Rehabilitation psychologists are involved in practice, research, and advocacy, with the broad goal of fostering independence and opportunity for people with disabilities.
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) |
|---|---|---|---|---|
| 1 | 103G00000X | Behavioral Health & Social Service Providers | Clinical Neuropsychologist | 3937 (MA) |
| 2 | 103T00000X | Behavioral Health & Social Service Providers | Psychologist | 3937 (MA) |
| 3 | 103TA0700X | Behavioral Health & Social Service Providers | Psychologist | 3937 (MA) |
| 4 | 103TB0200X | Behavioral Health & Social Service Providers | Psychologist | 3937 (MA) |
| 5 | 103TC0700X | Behavioral Health & Social Service Providers | Psychologist | 3937 (MA) |
| 6 | 103TC1900X | Behavioral Health & Social Service Providers | Psychologist | 3937 (MA) |
| 7 | 103TC2200X | Behavioral Health & Social Service Providers | Psychologist | 3937 (MA) |
| 8 | 103TM1800X | Behavioral Health & Social Service Providers | Psychologist | 3937 (MA) |
| 9 | 103TS0200X | Behavioral Health & Social Service Providers | Psychologist | 3937 (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 1346387834, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).
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 76 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1346387834, enumerated as an "individual" on January 31, 2007.
The provider is located at 111 WILLARD ST STE 1C QUINCY, MA 02169 and the phone number is (617) 472-6539.
Psychologist with taxonomy code 103TR0400X and a focus in Rehabilitation.
