MARK LLOYD GOLDSTEIN PHD
NPI 1154424471
Psychologist - Forensic in Highland Park, IL

NPI Status: Active since September 06, 2006

Contact Information

1893 SHERIDAN RD
SUITE 215
HIGHLAND PARK, IL
ZIP 60035
Phone: (847) 926-0390
Fax: (847) 498-8922

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  • Individual
  • Male
  • Psychologist
  • Forensic

About MARK GOLDSTEIN

This page provides the complete NPI Profile along with additional information for Mark Goldstein, a provider established in Highland Park, Illinois with a medical specialization in Psychologist, focusing in forensic . The healthcare provider is registered in the NPI registry with number 1154424471 assigned on September 2006. The practitioner's primary taxonomy code is 103TF0200X with license number 712066 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1154424471
Provider Name
MARK LLOYD GOLDSTEIN PHD
Gender
Male
Entity Type
Individual
Location Address
1893 SHERIDAN RD SUITE 215 HIGHLAND PARK, IL 60035
Location Phone
(847) 926-0390
Location Fax
(847) 498-8922
Mailing Address
1893 SHERIDAN RD SUITE 215 HIGHLAND PARK, IL 60035
Mailing Phone
(847) 926-0390
Mailing Fax
(847) 498-8922
Is Sole Proprietor?
No
Enumeration Date
09-06-2006
Last Update Date
09-11-2025
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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 Forensic

Taxonomy Code
103TF0200X
Type
Behavioral Health & Social Service Providers
License No.
712066
License State
IL
Taxonomy Description
A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

712066 (IL)

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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 1154424471, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
1
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 5 → 10 → 1 4 → 8 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 8 + 2 + 8 + 4 + 1 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1154424471.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Dentist (General Practice)
1893 SHERIDAN RD, SUITE 315
HIGHLAND PARK, IL 60035
Dentist (Periodontics)
1893 SHERIDAN RD, SUITE 212
HIGHLAND PARK, IL 60035
Psychologist (Clinical)
1893 SHERIDAN RD, 1
HIGHLAND PARK, IL 60035
Psychologist (Clinical)
1893 SHERIDAN RD, 302
HIGHLAND PARK, IL 60035
Dentist (General Practice)
1893 SHERIDAN RD, SUITE 309
HIGHLAND PARK, IL 60035
Speech-Language Pathologist
1893 SHERIDAN RD, SUITE 303
HIGHLAND PARK, IL 60035
Speech-Language Pathologist
1893 SHERIDAN RD, SUITE NUMBER 303
HIGHLAND PARK, IL 60035
Dentist
1893 SHERIDAN RD, SUITE 301
HIGHLAND PARK, IL 60035
Dentist (General Practice)
1893 SHERIDAN RD, SUITE 315
HIGHLAND PARK, IL 60035
Dentist (Oral and Maxillofacial Surgery)
1893 SHERIDAN RD, SUITE 311
HIGHLAND PARK, IL 60035
Oral & Maxillofacial Surgery
1893 SHERIDAN RD, #311
HIGHLAND PARK, IL 60035
Psychiatry & Neurology (Psychiatry)
1893 SHERIDAN RD, #303
HIGHLAND PARK, IL 60035
Psychiatry & Neurology (Psychiatry)
1893 SHERIDAN RD, SUITE 303
HIGHLAND PARK, IL 60035
Dentist
1893 SHERIDAN RD, SUITE 318
HIGHLAND PARK, IL 60035
Counselor
1893 SHERIDAN RD
HIGHLAND PARK, IL 60035
Internal Medicine
1893 SHERIDAN RD
HIGHLAND PARK, IL 60035

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154424471, enumerated as an "individual" on September 06, 2006.

The provider is located at 1893 SHERIDAN RD SUITE 215 HIGHLAND PARK, IL 60035 and the phone number is (847) 926-0390.

Psychologist with taxonomy code 103TF0200X and a focus in Forensic.