Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

JAMIE ONION
NPI 1174442180
Counselor - Mental Health in Chesterland, OH

Active since July 13, 2026
8251 MAYFIELD RD STE 200, CHESTERLAND, OH 44026(440) 221-5967 Get Directions Write a Review

NPPES record added: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Counselor
  • Mental Health

About JAMIE ONION

This page provides the complete NPI Profile along with additional information for Jamie Onion, a provider established in Chesterland, Ohio with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1174442180 assigned on July 2026. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1174442180
Provider Name
JAMIE ONION
Gender
Male
Entity Type
Individual
Location Address
8251 MAYFIELD RD STE 200 CHESTERLAND, OH 44026
Location Phone
(440) 221-5967
Mailing Address
7554 FREDLE DR # 3023 CONCORD TOWNSHIP, OH 44077
Mailing Phone
(440) 221-5967
Is Sole Proprietor?
Yes
Enumeration Date
07-13-2026
Last Update Date
07-13-2026
Code Navigator

A mental health counselor like Jamie Onion 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.

Location Map

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
License State
OH

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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 1174442180, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
7
Doubled → 14 → 1 + 4
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
0
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 4 → 8 2 → 4 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 4 + 4 + 8 + 4 + 4 + 1 + 1 + 6 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1174442180.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Clinic/Center (Multi-Specialty)
8251 MAYFIELD RD STE 200
CHESTERLAND, OH 44026
Counselor (Professional)
8251 MAYFIELD RD STE 200
CHESTERLAND, OH 44026
Counselor
8251 MAYFIELD RD STE 200
CHESTERLAND, OH 44026
Counselor
8251 MAYFIELD RD STE 200
CHESTERLAND, OH 44026
Counselor (Mental Health)
8251 MAYFIELD RD STE 200
CHESTERLAND, OH 44026
Counselor (Professional)
8251 MAYFIELD RD STE 200
CHESTERLAND, OH 44026
Counselor (Mental Health)
8251 MAYFIELD RD STE 200
CHESTERLAND, OH 44026

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1174442180, enumerated as an "individual" on July 13, 2026.

The provider is located at 8251 MAYFIELD RD STE 200 CHESTERLAND, OH 44026 and the phone number is (440) 221-5967.

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