MARY ANN WATSON OTR/L
NPI 1356835722
Occupational Therapist - Hand in Los Alamitos, CA
NPI Status: Active since June 19, 2018
Contact Information
4772 KATELLA AVE STE 100
LOS ALAMITOS, CA
ZIP 90720
Phone: (562) 430-8700
NPPES record last updated: October 26, 2023. Verified against the NPPES registry weekly; last sync: July 12, 2026.
Record update history: Oct 26, 2023, Jun 19, 2018 (2 updates tracked since 2018).
- Individual
- Female
- Occupational Therapist
- Hand
About MARY ANN WATSON
This page provides the complete NPI Profile along with additional information for Mary Ann Watson, a provider established in Los Alamitos, California with a medical specialization in Occupational Therapist, focusing in hand . The healthcare provider is registered in the NPI registry with number 1356835722 assigned on June 2018. The practitioner's primary taxonomy code is 225XH1200X with license number 25622 (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.
- NPI
- 1356835722
- Provider Name
- MARY ANN WATSON OTR/L
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 4772 KATELLA AVE STE 100 LOS ALAMITOS, CA 90720
- Location Phone
- (562) 430-8700
- Mailing Address
- 6082 JADE CIR HUNTINGTON BEACH, CA 92647
- Mailing Phone
- (714) 402-0719
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-19-2018
- Last Update Date
- 10-26-2023
- 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 Hand
- Taxonomy Code
- 225XH1200X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- License No.
- 25622
- License State
- CA
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 | 224Z00000X | Respiratory, Developmental, Rehabilitative and Restorative Service Providers | Occupational Therapy Assistant | 4430 (CA) |
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Re-evaluation for occupational therapy, typically 30 minutes
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes
Therapy procedure using manual technique, each 15 minutes
A re-evaluation for occupational therapy is a 30-minute session where your therapist assesses your progress and updates your treatment plan. It's crucial to ensure the therapy continues to meet your needs and help improve your daily living skills.
This service was performed 17 times for 13 patientsThis therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.
This service was performed 289 times for 33 patientsThis therapy involves using hands-on techniques to help improve your body's movement and function. These techniques may include stretching, resistance exercises, or gentle pressure. Each session lasts 15 minutes and aims to relieve pain, promote healing, and improve your overall health.
This service was performed 285 times for 30 patientsReviews for MARY ANN WATSON OTR/L
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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 1356835722, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).
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 58 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 9 providers are registered at the same or a nearby location.
LOS ALAMITOS, CA 90720
LOS ALAMITOS, CA 90720
LOS ALAMITOS, CA 90720
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1356835722, enumerated as an "individual" on June 19, 2018.
The provider is located at 4772 KATELLA AVE STE 100 LOS ALAMITOS, CA 90720 and the phone number is (562) 430-8700.
Occupational Therapist with taxonomy code 225XH1200X and a focus in Hand.
