DR ROBERT RIORDAN-CLINICAL PSYCHOLOGIST PLLC
NPI 1831534825
Psychologist - Clinical in New York, NY

NPI Status: Active since May 03, 2013

Contact Information

240 W END AVE
1B
NEW YORK, NY
ZIP 10023
Phone: (212) 203-3118

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  • Organization
  • Psychologist
  • Clinical

About DR ROBERT RIORDAN-CLINICAL PSYCHOLOGIST PLLC

This page provides the complete NPI Profile along with additional information for Dr Robert Riordan-clinical Psychologist Pllc, a provider established in New York, New York operating as a Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1831534825 assigned on May 2013. The practitioner's primary taxonomy code is 103TC0700X with license number 019637 (NY). The provider is registered as an organization and their NPI record was last updated 13 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Mr. Robert Riordan Psyd (Owner)

NPI
1831534825
Provider Name
DR ROBERT RIORDAN-CLINICAL PSYCHOLOGIST PLLC
Entity Type
Organization
Location Address
240 W END AVE 1B NEW YORK, NY 10023
Location Phone
(212) 203-3118
Mailing Address
257 W 117TH ST 4C NEW YORK, NY 10026
Mailing Phone
(212) 203-3118
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-03-2013
Last Update Date
05-03-2013
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A clinical psychologist like Dr Robert Riordan-clinical Psychologist Pllc 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.
019637
License State
NY
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MR. ROBERT RIORDAN PSYD

Authorized Official Title
OWNER
Authorized Official Phone
(212) 203-3118

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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 1831534825, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
2
Doubled → 4
Check
5
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 3 → 6 5 → 10 → 1 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 1 + 0 + 3 + 8 + 8 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1831534825.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Social Worker (Clinical)
240 W END AVE, GAINES (1-A)
NEW YORK, NY 10023
Psychologist (Clinical)
240 W END AVE, SUITE 1A
NEW YORK, NY 10023
Social Worker (Clinical)
240 W END AVE, SUITE 1A
NEW YORK, NY 10023
Psychologist (Clinical)
240 W END AVE, SUITE 1B
NEW YORK, NY 10023
Psychologist (Cognitive & Behavioral)
240 W END AVE, SUITE 1B
NEW YORK, NY 10023
Psychologist (Clinical)
240 W END AVE, SUITE ONE B
NEW YORK, NY 10023
Acupuncturist
240 W END AVE
NEW YORK, NY 10023

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831534825, enumerated as an "organization" on May 03, 2013.

The provider is located at 240 W END AVE 1B NEW YORK, NY 10023 and the phone number is (212) 203-3118.

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