Marion Sitomer, OT
NPI 1326926346 · Pediatric Occupational Therapist · Waltham, MA
Marion Sitomer, OT is a Pediatric Occupational Therapist provider in Waltham, MA (NPI 1326926346).
Provider details
- NPI number
- 1326926346
- Entity type
- Individual
- Primary specialty
- Pediatric Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OT
- Sex
- Female
- Sole proprietor
- No
- License
- 5348 (MA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-08-26
- Last updated
- 2025-08-26
- Certified
- 2025-08-26
Frequently asked questions
- What is Marion Sitomer's NPI number?
- Marion Sitomer's National Provider Identifier (NPI) is 1326926346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Sitomer's specialty?
- Marion Sitomer is listed in the NPPES registry with a primary specialty of Pediatric Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marion Sitomer located?
- Marion Sitomer's practice location on file with NPPES is 77 Rumford Ave, Waltham, MA 02453-3872.
- What is Marion Sitomer's phone number?
- The practice phone number listed in the NPPES registry for Marion Sitomer is (617) 991-2999.
- Is Marion Sitomer's NPI active?
- Yes — Marion Sitomer's NPI (1326926346) is active in the NPPES registry as of the last update on 2025-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.