RONALD J. ERCOLI, PSY.D., PLLC
NPI 1275034746
Psychologist in Barrington, IL

NPI Status: Active since February 21, 2018

Contact Information

1000 HART RD STE 130
BARRINGTON, IL
ZIP 60010
Phone: (224) 575-4124
Fax: (847) 737-5280

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  • Organization
  • Psychologist

About RONALD J. ERCOLI, PSY.D., PLLC

This page provides the complete NPI Profile along with additional information for Ronald J. Ercoli, Psy.d., Pllc, a provider established in Barrington, Illinois operating as a Psychologist. The healthcare provider is registered in the NPI registry with number 1275034746 assigned on February 2018. The practitioner's primary taxonomy code is 103T00000X. The provider is registered as an organization and their NPI record was last updated one year 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 Dr. Ronald J Ercoli Psy.d. (Provider)

NPI
1275034746
Provider Name
RONALD J. ERCOLI, PSY.D., PLLC
Entity Type
Organization
Location Address
1000 HART RD STE 130 BARRINGTON, IL 60010
Location Phone
(224) 575-4124
Location Fax
(847) 737-5280
Mailing Address
1000 HART RD STE 130 BARRINGTON, IL 60010
Mailing Phone
(224) 575-4124
Mailing Fax
(847) 737-5280
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-21-2018
Last Update Date
03-03-2025
Code Navigator

A psychologist like Ronald J. Ercoli, Psy.d., Pllc studies cognitive, emotional, social processes and behavior by observing, interpreting, and recording how people relate to one another and to their environments. Psychologists gather information and evaluate behavior through controlled laboratory experiments, psychoanalysis, psychotherapy or through personality, performance, aptitude, or intelligence tests, and use this information when testing theories in their research or when treating 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

Taxonomy Code
103T00000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

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

DR. RONALD J ERCOLI PSY.D.

Authorized Official Title
PROVIDER
Authorized Official Phone
(224) 575-4124

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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 1275034746, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
Check
6
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 0 → 0 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 0 + 3 + 8 + 7 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1275034746.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Counselor (Professional)
1000 HART RD STE 130
BARRINGTON, IL 60010
Social Worker (Clinical)
1000 HART RD STE 130
BARRINGTON, IL 60010
Community/Behavioral Health
1000 HART RD STE 130
BARRINGTON, IL 60010
Counselor (Mental Health)
1000 HART RD STE 130
BARRINGTON, IL 60010
Psychologist
1000 HART RD STE 130
BARRINGTON, IL 60010
Psychiatry & Neurology (Psychiatry)
1000 HART RD STE 130
BARRINGTON, IL 60010
Psychologist (Clinical)
1000 HART RD STE 130
BARRINGTON, IL 60010
Counselor (Professional)
1000 HART RD STE 130
BARRINGTON, IL 60010
Counselor (Professional)
1000 HART RD STE 130
BARRINGTON, IL 60010

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275034746, enumerated as an "organization" on February 21, 2018.

The provider is located at 1000 HART RD STE 130 BARRINGTON, IL 60010 and the phone number is (224) 575-4124.

Psychologist with taxonomy code 103T00000X.