MR. LEONARD BERNARD EISNER PT
NPI 1134225584
Physical Therapist - Geriatrics in Glenview, IL
NPI Status: Active since September 15, 2006
Contact Information
3633 WEST LAKE AVE
STE 102
GLENVIEW, IL
ZIP 60026
Phone: (847) 724-7600
Fax: (847) 724-7693
NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Physical Therapist
- Geriatrics
About LEONARD EISNER
This page provides the complete NPI Profile along with additional information for Leonard Eisner, a provider established in Glenview, Illinois with a medical specialization in Physical Therapist, focusing in geriatrics . The healthcare provider is registered in the NPI registry with number 1134225584 assigned on September 2006. The practitioner's primary taxonomy code is 2251G0304X with license number 70011662 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1134225584
- Provider Name
- MR. LEONARD BERNARD EISNER PT
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3633 WEST LAKE AVE STE 102 GLENVIEW, IL 60026
- Location Phone
- (847) 724-7600
- Location Fax
- (847) 724-7693
- Mailing Address
- 294 REGENT DRIVE BUFFALO GROVE, IL 60089
- Mailing Phone
- (847) 279-8391
- Is Sole Proprietor?
- No
- Enumeration Date
- 09-15-2006
- Last Update Date
- 09-11-2025
- 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
Physical Therapist Geriatrics
- Taxonomy Code
- 2251G0304X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- License No.
- 70011662
- License State
- IL
- Taxonomy Description
- A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Geriatric Physical Therapy, who has demonstrated specialized knowledge and skill in the comprehensive biopsychosocial assessment and evidence-based management of movement in aging adults. This includes, but is not limited to, specialized knowledge in and consideration of normal age-related changes and pathological manifestations across all systems; cognition and mental health; polypharmacy; fall risk mitigation; bone health; healthy and active aging, and socioeconomic and health policy issues affecting aging adults. The geriatric physical therapist is an integral part of the interdisciplinary geriatric team and serves as an advocate for the highest level of well-being for the older adult.
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) |
|---|---|---|---|---|
| 1 | 225100000X | Respiratory, Developmental, Rehabilitative and Restorative Service Providers | Physical Therapist | 70011662 (IL) |
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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 1134225584, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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 56 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
GLENVIEW, IL 60026
GLENVIEW, IL 60026
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1134225584, enumerated as an "individual" on September 15, 2006.
The provider is located at 3633 WEST LAKE AVE STE 102 GLENVIEW, IL 60026 and the phone number is (847) 724-7600.
Physical Therapist with taxonomy code 2251G0304X and a focus in Geriatrics.
