DR. J. ANTHONY IRSFELD PH.D.
NPI 1174737415
Psychologist - Clinical in Worcester, MA

NPI Status: Active since May 09, 2007

Contact Information

72 JAQUES AVE
WORCESTER, MA
ZIP 01610
Phone: (508) 904-5058

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  • Individual
  • Male
  • Psychologist
  • Clinical

About J. IRSFELD

This page provides the complete NPI Profile along with additional information for J. Irsfeld, a provider established in Worcester, Massachusetts with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1174737415 assigned on May 2007. The practitioner's primary taxonomy code is 103TC0700X with license number 6987 (MA). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1174737415
Provider Name
DR. J. ANTHONY IRSFELD PH.D.
Gender
Male
Entity Type
Individual
Location Address
72 JAQUES AVE WORCESTER, MA 01610
Location Phone
(508) 904-5058
Mailing Address
72 JAQUES AVE WORCESTER, MA 01610
Mailing Phone
(508) 904-5058
Is Sole Proprietor?
Yes
Enumeration Date
05-09-2007
Last Update Date
12-31-2015
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A clinical psychologist like J. Irsfeld 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.
6987
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 1174737415, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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
1
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
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 7 → 14 → 5 7 → 14 → 5 7 → 14 → 5 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 4 + 4 + 1 + 4 + 3 + 1 + 4 + 4 + 2 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1174737415.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Social Worker (Clinical)
72 JAQUES AVE
WORCESTER, MA 01610
Psychiatry & Neurology (Psychiatry)
72 JAQUES AVE
WORCESTER, MA 01610
Psychologist
72 JAQUES AVE, OUTPATIENT SERVICES
WORCESTER, MA 01610
Counselor
72 JAQUES AVE
WORCESTER, MA 01610
Social Worker (Clinical)
72 JAQUES AVE
WORCESTER, MA 01610
Psychologist (Clinical)
72 JAQUES AVE
WORCESTER, MA 01610
Registered Nurse (Community Health)
72 JAQUES AVE
WORCESTER, MA 01610
Social Worker (Clinical)
72 JAQUES AVE
WORCESTER, MA 01610
Social Worker (Clinical)
72 JAQUES AVE
WORCESTER, MA 01610
Counselor
72 JAQUES AVE
WORCESTER, MA 01610
Social Worker (Clinical)
72 JAQUES AVE
WORCESTER, MA 01610
Social Worker (Clinical)
72 JAQUES AVE
WORCESTER, MA 01610
Social Worker (Clinical)
72 JAQUES AVE
WORCESTER, MA 01610
Counselor (Mental Health)
72 JAQUES AVE, COMMUNITY HEALTHLINK
WORCESTER, MA 01610
Counselor (Professional)
72 JAQUES AVE
WORCESTER, MA 01610
Nurse Practitioner (Gerontology)
72 JAQUES AVE
WORCESTER, MA 01610
Counselor (Mental Health)
72 JAQUES AVE
WORCESTER, MA 01610
Social Worker (Clinical)
72 JAQUES AVE, HOAP
WORCESTER, MA 01610
Social Worker (Clinical)
72 JAQUES AVE
WORCESTER, MA 01610
Counselor (Mental Health)
72 JAQUES AVE
WORCESTER, MA 01610

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1174737415, enumerated as an "individual" on May 09, 2007.

The provider is located at 72 JAQUES AVE WORCESTER, MA 01610 and the phone number is (508) 904-5058.

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