HANNA GRACE HOLEN
NPI 1073448866
Substance Abuse Rehabilitation Facility in Mentor, OH
NPI Status: Active since June 15, 2026
Contact Information
9220 MENTOR AVE
MENTOR, OH
ZIP 44060
Phone: (440) 255-1700
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Substance Abuse Rehabilitation Facility
About HANNA HOLEN
This page provides the complete NPI Profile along with additional information for Hanna Holen, a provider established in Mentor, Ohio with a medical specialization in Substance Abuse Rehabilitation Facility. The healthcare provider is registered in the NPI registry with number 1073448866 assigned on June 2026. The practitioner's primary taxonomy code is 324500000X. The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1073448866
- Provider Name
- HANNA GRACE HOLEN
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 9220 MENTOR AVE MENTOR, OH 44060
- Location Phone
- (440) 255-1700
- Mailing Address
- 9220 MENTOR AVE MENTOR, OH 44060
- Mailing Phone
- (440) 255-1700
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-15-2026
- Last Update Date
- 06-15-2026
- Code Navigator
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
Substance Abuse Rehabilitation Facility
- Taxonomy Code
- 324500000X
- Type
- Residential Treatment Facilities
- Taxonomy Description
- A facility or distinct part of a facility that provides a 24 hr therapeutically planned living and rehabilitative intervention environment for the treatment of individuals with disorders in the abuse of drugs, alcohol, and other substances.
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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 1073448866, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
MENTOR, OH 44060
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1073448866, enumerated as an "individual" on June 15, 2026.
The provider is located at 9220 MENTOR AVE MENTOR, OH 44060 and the phone number is (440) 255-1700.
Substance Abuse Rehabilitation Facility with taxonomy code 324500000X.
