Mary O'Sullivan, MS, OTR/L
NPI 1306037130 · Occupational Therapist · Buffalo, NY
Mary O'Sullivan, MS, OTR/L is a Occupational Therapist provider in Buffalo, NY (NPI 1306037130).
Provider details
- NPI number
- 1306037130
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MS, OTR/L
- Sex
- Female
- Sole proprietor
- No
- License
- OT 12835 (FL)
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
18 yrs in NPPES 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
- 2007-08-07
- Last updated
- 2024-08-02
Frequently asked questions
- What is Mary O'Sullivan's NPI number?
- Mary O'Sullivan's National Provider Identifier (NPI) is 1306037130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary O'Sullivan's specialty?
- Mary O'Sullivan is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary O'Sullivan located?
- Mary O'Sullivan's practice location on file with NPPES is 646 E. Delavan, Buffalo, NY 14215.
- What is Mary O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Mary O'Sullivan is (716) 816-4174.
- Is Mary O'Sullivan's NPI active?
- Yes — Mary O'Sullivan's NPI (1306037130) is active in the NPPES registry as of the last update on 2024-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.