LAWRENCE J LADDEN PHD
NPI 1083883482
Psychologist - Clinical in Philadelphia, PA

NPI Status: Active since February 29, 2008

Contact Information

1831 CHESTNUT ST
801
PHILADELPHIA, PA
ZIP 19103
Phone: (215) 561-0341

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  • Individual
  • Male
  • Psychologist
  • Clinical

About LAWRENCE LADDEN

This page provides the complete NPI Profile along with additional information for Lawrence Ladden, a provider established in Philadelphia, Pennsylvania with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1083883482 assigned on February 2008. The practitioner's primary taxonomy code is 103TC0700X with license number PS005654L (PA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1083883482
Provider Name
LAWRENCE J LADDEN PHD
Gender
Male
Entity Type
Individual
Location Address
1831 CHESTNUT ST 801 PHILADELPHIA, PA 19103
Location Phone
(215) 561-0341
Mailing Address
8244 BROOKSIDE RD ELKINS PARK, PA 19027
Mailing Phone
(215) 561-0341
Is Sole Proprietor?
Yes
Enumeration Date
02-29-2008
Last Update Date
02-29-2008
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A clinical psychologist like Lawrence Ladden assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

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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 Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
PS005654L
License State
PA
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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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 1083883482, 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
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
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 8 → 16 → 7 8 → 16 → 7 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 6 + 8 + 6 + 4 + 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 1083883482.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Psychologist
1831 CHESTNUT ST, SUITE 801
PHILADELPHIA, PA 19103
Dentist
1831 CHESTNUT ST, SUITE 100
PHILADELPHIA, PA 19103
Social Worker (Clinical)
1831 CHESTNUT ST, SUITE 801
PHILADELPHIA, PA 19103
Psychologist
1831 CHESTNUT ST, SUITE 801
PHILADELPHIA, PA 19103
Technician/Technologist (Optician)
1831 CHESTNUT ST
PHILADELPHIA, PA 19103
Eyewear Supplier
1831 CHESTNUT ST
PHILA, PA 19103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083883482, enumerated as an "individual" on February 29, 2008.

The provider is located at 1831 CHESTNUT ST 801 PHILADELPHIA, PA 19103 and the phone number is (215) 561-0341.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.