DR. RICHARD SADOWSKY PH.D.
NPI 1245363936
Psychologist - Group Psychotherapy in Philadelphia, PA
NPI Status: Active since March 13, 2007
Contact Information
10521 DRUMMOND RD
PHILADELPHIA, PA
ZIP 19154
Phone: (215) 612-7610
Fax: (215) 632-6426
- Individual
- Male
- Psychologist
- Group Psychotherapy
About RICHARD SADOWSKY
This page provides the complete NPI Profile along with additional information for Richard Sadowsky, a provider established in Philadelphia, Pennsylvania with a medical specialization in Psychologist, focusing in group psychotherapy . The healthcare provider is registered in the NPI registry with number 1245363936 assigned on March 2007. The practitioner's primary taxonomy code is 103TP2701X with license number PS002500L (PA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1245363936
- Provider Name
- DR. RICHARD SADOWSKY PH.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 10521 DRUMMOND RD PHILADELPHIA, PA 19154
- Location Phone
- (215) 612-7610
- Location Fax
- (215) 632-6426
- Mailing Address
- 208 INDEPENDENCE DR HOLLAND, PA 18966
- Mailing Phone
- (215) 612-7610
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-13-2007
- 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 Group Psychotherapy
- Taxonomy Code
- 103TP2701X
- Type
- Behavioral Health & Social Service Providers
- License No.
- PS002500L
- License State
- PA
- Taxonomy Description
- A psychologist who specializes in group psychology and group psychotherapy that is an evidenced-based specialty that prepares group leaders to identify and capitalize on developmental and healing possibilities embedded in the interpersonal/intrapersonal functioning of individual group members as well as collectively for the group. Emphasis is placed on the use of group dynamics to assist and treat individual group members. The specialty is applicable to all age groups, children, adolescents, adults and older adults, for a wide variety of conditions and concerns, and in numerous and diverse settings.
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 | 103T00000X | Behavioral Health & Social Service Providers | Psychologist | PS002500L (PA) |
| 2 | 103TC0700X | Behavioral Health & Social Service Providers | Psychologist | PS002500L (PA) |
| 3 | 103TM1800X | Behavioral Health & Social Service Providers | Psychologist | PS002500L (PA) |
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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 1245363936, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).
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 74 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 15 providers are registered at the same or a nearby location.
PHILADELPHIA, PA 19154
PHILADELPHIA, PA 19154
PHILADELPHIA, PA 19154
PHILADELPHIA, PA 19154
PHILADELPHIA, PA 19154
PHILADELPHIA, PA 19154
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1245363936, enumerated as an "individual" on March 13, 2007.
The provider is located at 10521 DRUMMOND RD PHILADELPHIA, PA 19154 and the phone number is (215) 612-7610.
Psychologist with taxonomy code 103TP2701X and a focus in Group Psychotherapy.
