DR. MARC LEONARD BERGER PSY.D.
NPI 1386793743
Psychologist - Clinical in Acton, MA

NPI Status: Active since January 08, 2007

Contact Information

468 GREAT RD
ACTON, MA
ZIP 01720
Phone: (978) 635-0509
Fax: (978) 635-9301

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  • Individual
  • Male
  • Psychologist
  • Clinical

About MARC BERGER

This page provides the complete NPI Profile along with additional information for Marc Berger, a provider established in Acton, Massachusetts with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1386793743 assigned on January 2007. The practitioner's primary taxonomy code is 103TC0700X with license number 6684 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1386793743
Provider Name
DR. MARC LEONARD BERGER PSY.D.
Gender
Male
Entity Type
Individual
Location Address
468 GREAT RD ACTON, MA 01720
Location Phone
(978) 635-0509
Location Fax
(978) 635-9301
Mailing Address
346 WOLCOTT ST AUBURNDALE, MA 02466
Mailing Phone
(617) 332-0027
Is Sole Proprietor?
Yes
Enumeration Date
01-08-2007
Last Update Date
07-08-2007
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A clinical psychologist like Marc Berger 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.

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 Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
6684
License State
MA
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 1386793743, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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
3
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
6
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
Check
3
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 7 → 14 → 5 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 6 + 6 + 1 + 4 + 9 + 6 + 7 + 8 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1386793743.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Psychologist (Clinical)
468 GREAT RD
ACTON, MA 01720
Psychologist (Clinical)
468 GREAT RD
ACTON, MA 01720
Social Worker (Clinical)
468 GREAT RD
ACTON, MA 01720
Psychologist (Clinical)
468 GREAT RD, ACTON PSYCHIATRIC ASSOCIATES
ACTON, MA 01720
Chiropractor
468 GREAT RD, SUITE 101
ACTON, MA 01720
Psychiatry & Neurology (Psychiatry)
468 GREAT RD
ACTON, MA 01720
Psychologist (Health Service)
468 GREAT RD
ACTON, MA 01720
Psychiatry & Neurology (Psychiatry)
468 GREAT RD
ACTON, MA 01720

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386793743, enumerated as an "individual" on January 08, 2007.

The provider is located at 468 GREAT RD ACTON, MA 01720 and the phone number is (978) 635-0509.

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