DR. ROBERT CHARLES MCMAHON PH.D.
NPI 1972843142
Psychologist - Clinical in Represa, CA

NPI Status: Active since February 25, 2013

Contact Information

300 PRISON RD
FOLSOM STATE PRISON
REPRESA, CA
ZIP 95671
Phone: (916) 985-2561

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  • Individual
  • Male
  • Psychologist
  • Clinical

About ROBERT MCMAHON

This page provides the complete NPI Profile along with additional information for Robert Mcmahon, a provider established in Represa, California with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1972843142 assigned on February 2013. The practitioner's primary taxonomy code is 103TC0700X with license number PSY17491 (CA). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1972843142
Provider Name
DR. ROBERT CHARLES MCMAHON PH.D.
Gender
Male
Entity Type
Individual
Location Address
300 PRISON RD FOLSOM STATE PRISON REPRESA, CA 95671
Location Phone
(916) 985-2561
Mailing Address
949 UNIVERSITY AVE SUITE 210 SACRAMENTO, CA 95825
Mailing Phone
(916) 290-3995
Is Sole Proprietor?
Yes
Enumeration Date
02-25-2013
Last Update Date
02-25-2013
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A clinical psychologist like Robert Mcmahon 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.
PSY17491
License State
CA
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 1972843142, 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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
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 7 → 14 → 5 8 → 16 → 7 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 + 9 + 1 + 4 + 2 + 1 + 6 + 4 + 6 + 1 + 8 + 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 1972843142.

Other Providers at the Same Location


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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972843142, enumerated as an "individual" on February 25, 2013.

The provider is located at 300 PRISON RD FOLSOM STATE PRISON REPRESA, CA 95671 and the phone number is (916) 985-2561.

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