DR. ELIZABETH YOO PHD, LCPC
NPI 1770952657
Counselor - Professional in Wheaton, IL

NPI Status: Active since September 21, 2015

Contact Information

1616 EAST ROOSEVELT ROAD
SUITE #8
WHEATON, IL
ZIP 60187
Phone: (630) 588-1201
Fax: (630) 588-1209

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  • Individual
  • Female
  • Counselor
  • Professional

About ELIZABETH YOO

This page provides the complete NPI Profile along with additional information for Elizabeth Yoo, a provider established in Wheaton, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1770952657 assigned on September 2015. The practitioner's primary taxonomy code is 101YP2500X with license number 180.012469 (IL). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1770952657
Provider Name
DR. ELIZABETH YOO PHD, LCPC
Other Name
DR. ELIZABETH YOO MA, LCPC
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
1616 EAST ROOSEVELT ROAD SUITE #8 WHEATON, IL 60187
Location Phone
(630) 588-1201
Location Fax
(630) 588-1209
Mailing Address
1616 E ROOSEVELT RD STE 8 WHEATON, IL 60187
Mailing Phone
(630) 588-1201
Mailing Fax
(630) 588-1209
Is Sole Proprietor?
No
Enumeration Date
09-21-2015
Last Update Date
04-26-2026
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Location Map

Secondary Locations

  • 2631 Williamsburg Ave Ste 206
    Geneva, IL 60134
    (630) 588-1201

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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
180.012469
License State
IL

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)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

 
2101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

04543 (MN)
3101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

6401225161 (MI)

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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 1770952657, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
7
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
5
Unchanged
Pos 7
2
Doubled → 4
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
7
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 9 → 18 → 9 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 1 + 8 + 5 + 4 + 6 + 1 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1770952657.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770952657, enumerated as an "individual" on September 21, 2015.

The provider is located at 1616 EAST ROOSEVELT ROAD SUITE #8 WHEATON, IL 60187 and the phone number is (630) 588-1201.

Counselor with taxonomy code 101YP2500X and a focus in Professional.