GERARD CLARK
NPI 1386779759
Social Worker in Upper Darby, PA
NPI Status: Active since February 23, 2007
Contact Information
225 S 69TH ST
UPPER DARBY, PA
ZIP 19082
Phone: (610) 352-8943
Fax: (610) 352-8880
- Individual
- Male
- Social Worker
About GERARD CLARK
This page provides the complete NPI Profile along with additional information for Gerard Clark, a provider established in Upper Darby, Pennsylvania with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1386779759 assigned on February 2007. The practitioner's primary taxonomy code is 104100000X with license number SW-002765-E (PA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1386779759
- Provider Name
- GERARD CLARK
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 225 S 69TH ST UPPER DARBY, PA 19082
- Location Phone
- (610) 352-8943
- Location Fax
- (610) 352-8880
- Mailing Address
- 569 PARKER AVE PHILADELPHIA, PA 19128
- Mailing Phone
- (215) 509-6634
- Mailing Fax
- (610) 352-8880
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-23-2007
- Last Update Date
- 07-08-2007
- Code Navigator
A social worker like Gerard Clark helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.
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
Social Worker
- Taxonomy Code
- 104100000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- SW-002765-E
- License State
- PA
- Taxonomy Description
- A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work 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 1386779759, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. The difference is the calculated check digit.
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Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1386779759, enumerated as an "individual" on February 23, 2007.
The provider is located at 225 S 69TH ST UPPER DARBY, PA 19082 and the phone number is (610) 352-8943.
Social Worker with taxonomy code 104100000X.
