SIERRA HATLAY
NPI 1023966397
Counselor - Mental Health in Toledo, OH

NPI Status: Active since March 20, 2026

Contact Information

3909 WOODLEY RD
TOLEDO, OH
ZIP 43606
Phone: (419) 725-3330

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  • Individual
  • Counselor
  • Mental Health

About SIERRA HATLAY

This page provides the complete NPI Profile along with additional information for Sierra Hatlay, a provider established in Toledo, Ohio operating as a Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1023966397 assigned on March 2026. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and their NPI record was last updated March 2026.

NPI
1023966397
Provider Name
SIERRA HATLAY
Gender
Entity Type
Individual
Location Address
3909 WOODLEY RD TOLEDO, OH 43606
Location Phone
(419) 725-3330
Mailing Address
3909 WOODLEY RD TOLEDO, OH 43606
Is Sole Proprietor?
No
Enumeration Date
03-20-2026
Last Update Date
03-20-2026
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A mental health counselor like Sierra Hatlay provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers

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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 1023966397, 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
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 2 → 4 9 → 18 → 9 6 → 12 → 3 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 + 4 + 3 + 1 + 8 + 6 + 1 + 2 + 3 + 1 + 8 + 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 1023966397.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Colon & Rectal Surgery
3909 WOODLEY RD, STE 800
TOLEDO, OH 43606
Dietitian, Registered
3909 WOODLEY RD, SUITE 200
TOLEDO, OH 43606
Internal Medicine
3909 WOODLEY RD, SUITE 100
TOLEDO, OH 43606
Family Medicine
3909 WOODLEY RD, SUITE 500
TOLEDO, OH 43606
Surgery
3909 WOODLEY RD, SUITE 800
TOLEDO, OH 43606
Internal Medicine
3909 WOODLEY RD, SUITE 600
TOLEDO, OH 43606
Internal Medicine
3909 WOODLEY RD, SUITE 300
TOLEDO, OH 43606
Family Medicine
3909 WOODLEY RD
TOLEDO, OH 43606
Surgery
3909 WOODLEY RD, SUITE 200
TOLEDO, OH 43606
Family Medicine
3909 WOODLEY RD, SUITE 500
TOLEDO, OH 43606
Nurse Practitioner (Adult Health)
3909 WOODLEY RD, SUITE 600
TOLEDO, OH 43606
Social Worker
3909 WOODLEY RD
TOLEDO, OH 43606
Social Worker
3909 WOODLEY RD
TOLEDO, OH 43606
Nurse Practitioner (Psychiatric/Mental Health)
3909 WOODLEY RD
TOLEDO, OH 43606
Community Health Worker
3909 WOODLEY RD
TOLEDO, OH 43606
Community Health Worker
3909 WOODLEY RD
TOLEDO, OH 43606
Case Manager/Care Coordinator
3909 WOODLEY RD
TOLEDO, OH 43606
Social Worker
3909 WOODLEY RD
TOLEDO, OH 43606
Licensed Practical Nurse
3909 WOODLEY RD
TOLEDO, OH 43606
Community Health Worker
3909 WOODLEY RD
TOLEDO, OH 43606

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023966397, enumerated as an "individual" on March 20, 2026.

The provider is located at 3909 WOODLEY RD TOLEDO, OH 43606 and the phone number is (419) 725-3330.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.