ELIZABETH FOTOPOULOS LLC
NPI 1073377396
Community/Behavioral Health in Naperville, IL

NPI Status: Active since February 07, 2024

Contact Information

24W788 75TH ST
NAPERVILLE, IL
ZIP 60565
Phone: (630) 881-5564

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  • Organization
  • Community/Behavioral Health

About ELIZABETH FOTOPOULOS LLC

This page provides the complete NPI Profile along with additional information for Elizabeth Fotopoulos Llc, a provider established in Naperville, Illinois operating as a Community/behavioral Health. The healthcare provider is registered in the NPI registry with number 1073377396 assigned on February 2024. The practitioner's primary taxonomy code is 251S00000X. The provider is registered as an organization and their NPI record was last updated May 2026. The authorized official of this NPI record is Elizabeth Fotopoulos (Manager)

NPI
1073377396
Provider Name
ELIZABETH FOTOPOULOS LLC
Entity Type
Organization
Location Address
24W788 75TH ST NAPERVILLE, IL 60565
Location Phone
(630) 881-5564
Mailing Address
24W788 75TH ST NAPERVILLE, IL 60565
Mailing Phone
(630) 881-5564
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-07-2024
Last Update Date
05-29-2026
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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

Community/Behavioral Health

Taxonomy Code
251S00000X
Type
Agencies
Taxonomy Description
A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

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

ELIZABETH FOTOPOULOS

Authorized Official Title
MANAGER
Authorized Official Phone
(630) 881-5564

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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 1073377396, 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
0
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 3 → 6 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 4 + 3 + 6 + 7 + 1 + 4 + 3 + 1 + 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 1073377396.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Psychologist
24W788 75TH ST
NAPERVILLE, IL 60565
Social Worker (Clinical)
24W788 75TH ST
NAPERVILLE, IL 60565
Psychologist (Clinical)
24W788 75TH ST
NAPERVILLE, IL 60565
Psychologist (Clinical)
24W788 75TH ST
NAPERVILLE, IL 60565
Psychologist (Clinical)
24W788 75TH ST
NAPERVILLE, IL 60565
Counselor (Mental Health)
24W788 75TH ST
NAPERVILLE, IL 60565
Chiropractor
24W788 75TH ST
NAPERVILLE, IL 60565
Clinic/Center (Mental Health (Including Community Mental Health Center))
24W788 75TH ST
NAPERVILLE, IL 60565
Chiropractor
24W788 75TH ST
NAPERVILLE, IL 60565
Counselor (Mental Health)
24W788 75TH ST
NAPERVILLE, IL 60565
Chiropractor
24W788 75TH ST
NAPERVILLE, IL 60565
Counselor (Professional)
24W788 75TH ST
NAPERVILLE, IL 60565
Counselor (Professional)
24W788 75TH ST
NAPERVILLE, IL 60565
Counselor (Mental Health)
24W788 75TH ST
NAPERVILLE, IL 60565
Counselor (Professional)
24W788 75TH ST
NAPERVILLE, IL 60565
Clinic/Center
24W788 75TH ST
NAPERVILLE, IL 60565
Psychiatry & Neurology (Psychiatry)
24W788 75TH ST
NAPERVILLE, IL 60565
Psychologist (School)
24W788 75TH ST
NAPERVILLE, IL 60565
Counselor (Professional)
24W788 75TH ST
NAPERVILLE, IL 60565

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1073377396, enumerated as an "organization" on February 07, 2024.

The provider is located at 24W788 75TH ST NAPERVILLE, IL 60565 and the phone number is (630) 881-5564.

Community/Behavioral Health with taxonomy code 251S00000X.