LEAH TINKHAM GRUBER OTD
NPI 1093302556
Occupational Therapist - Physical Rehabilitation in Methuen, MA
NPI Status: Active since December 30, 2020
Contact Information
380 MERRIMACK ST
METHUEN, MA
ZIP 01844
Phone: (978) 688-1176
- Individual
- Female
- Occupational Therapist
- Physical Rehabilitation
About LEAH GRUBER
This page provides the complete NPI Profile along with additional information for Leah Gruber, a provider established in Methuen, Massachusetts with a medical specialization in Occupational Therapist, focusing in physical rehabilitation . The healthcare provider is registered in the NPI registry with number 1093302556 assigned on December 2020. The practitioner's primary taxonomy code is 225XP0019X with license number 13721 (MA). The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1093302556
- Provider Name
- LEAH TINKHAM GRUBER OTD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 380 MERRIMACK ST METHUEN, MA 01844
- Location Phone
- (978) 688-1176
- Mailing Address
- 121 HANCOCK ST APT 2 SOMERVILLE, MA 02144
- Mailing Phone
- (774) 955-6159
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-30-2020
- Last Update Date
- 02-19-2026
- 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
Occupational Therapist Physical Rehabilitation
- Taxonomy Code
- 225XP0019X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- License No.
- 13721
- License State
- MA
- Taxonomy Description
- Occupational therapists are experts at helping people lead as independent a life as possible. Occupational therapists bring an understanding of the physical and psychological implications of illness and injury and their effects on peoples' ability to perform the tasks of daily living. Occupational therapists provide interventions that can aide a person in completing ADL and IADL tasks, such as dressing, bathing, preparing meals, and driving. They also may fabricate custom orthotics to improve function, evaluate the environment for safety hazards and recommend adaptations to remove those hazards, help a person compensate for cognitive changes, and build a persons' physical endurance and strength. Occupational therapists' knowledge of adapting tasks and modifying the environment to compensate for functional limitations is used to increase the involvement of clients and to promote safety and success.
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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 1093302556, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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 54 is 60. 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.
METHUEN, MA 01844
METHUEN, MA 01844
METHUEN, MA 01844
METHUEN, MA 01844
METHUEN, MA 01844
METHUEN, MA 01844
METHUEN, MA 01844
METHUEN, MA 01844
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1093302556, enumerated as an "individual" on December 30, 2020.
The provider is located at 380 MERRIMACK ST METHUEN, MA 01844 and the phone number is (978) 688-1176.
Occupational Therapist with taxonomy code 225XP0019X and a focus in Physical Rehabilitation.
