Mary Ann Watson, OTR/L
NPI 1356835722 · Hand Occupational Therapist · Los Alamitos, CA
Mary Ann Watson, OTR/L is a Hand Occupational Therapist provider in Los Alamitos, CA (NPI 1356835722).
Provider details
- NPI number
- 1356835722
- Entity type
- Individual
- Primary specialty
- Hand Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Female
- Sole proprietor
- No
- License
- 4430 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
591 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 289 | $27 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 285 | $22 |
| Re-Evaluation for Occupational Therapy, Typically 30 Minutes97168 | 17 | $77 |
Typical Medicare-allowed amounts for these services range $22–$77 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-19
- Last updated
- 2023-10-26
- Certified
- 2023-10-26
Frequently asked questions
- What is Mary Ann Watson's NPI number?
- Mary Ann Watson's National Provider Identifier (NPI) is 1356835722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann Watson's specialty?
- Mary Ann Watson is listed in the NPPES registry with a primary specialty of Hand Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Ann Watson located?
- Mary Ann Watson's practice location on file with NPPES is 4772 Katella Ave Ste 100, Los Alamitos, CA 90720-2681.
- What is Mary Ann Watson's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann Watson is (562) 430-8700.
- Is Mary Ann Watson's NPI active?
- Yes — Mary Ann Watson's NPI (1356835722) is active in the NPPES registry as of the last update on 2023-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.