LYNSEY LATTYAK LCPC
NPI 1003556416
Counselor - Professional in Woodridge, IL

NPI Status: Active since April 01, 2022

Contact Information

3329 75TH ST.
2ND FL.
WOODRIDGE, IL
ZIP 60517
Phone: (630) 964-9400
Fax: (630) 964-9375

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  • Individual
  • Female
  • Counselor
  • Professional
  • PECOS Enrolled

About LYNSEY LATTYAK

This page provides the complete NPI Profile along with additional information for Lynsey Lattyak, a provider established in Woodridge, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1003556416 assigned on April 2022. The practitioner's primary taxonomy code is 101YP2500X with license number 180016985 (IL). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1003556416
Provider Name
LYNSEY LATTYAK LCPC
Gender
Female
Entity Type
Individual
Location Address
3329 75TH ST. 2ND FL. WOODRIDGE, IL 60517
Location Phone
(630) 964-9400
Location Fax
(630) 964-9375
Mailing Address
13955 W GRENELEFE LN HOMER GLEN, IL 60491
Is Sole Proprietor?
No
Enumeration Date
04-01-2022
Last Update Date
11-14-2025
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
180016985
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)
1101Y00000XBehavioral Health & Social Service Providers

Counselor

178016352 (IL)
2101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

178016352 (IL)

Medicare Participation & PECOS Enrollment Status

Lynsey Lattyak is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

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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 1003556416, 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 44. The final step is to find the difference between that total and the next multiple of ten (50 - 44 = 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
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
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 0 → 0 5 → 10 → 1 6 → 12 → 3 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 0 + 5 + 1 + 2 + 4 + 2 + 24 = 44

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

The next multiple of ten after 44 is 50. The difference is the calculated check digit.

50 - 44 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1003556416.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Family Medicine
3329 75TH ST., SUITE 202
WOODRIDGE, IL 60517

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003556416, enumerated as an "individual" on April 01, 2022.

The provider is located at 3329 75TH ST. 2ND FL. WOODRIDGE, IL 60517 and the phone number is (630) 964-9400.

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