Mary O'Brien, OTR/L
NPI 1750680401 · Occupational Therapist · Tinley Park, IL
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary O'Brien, OTR/L is a Occupational Therapist provider in Tinley Park, IL (NPI 1750680401).
Provider details
- NPI number
- 1750680401
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Female
- Sole proprietor
- No
- License
- 056006631 (IL)
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 tenure28% of score
15 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
4,322 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 Functional Activities97530 | 1,620 | $29 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 724 | $21 |
| Therapy Procedure for a Range of Mental Processes, Each Additional 15 Minutes97130 | 567 | $20 |
| Therapy Procedure for a Range of Mental Processes, Initial 15 Minutes97129 | 463 | $21 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 427 | $25 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 306 | $23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-21
- Last updated
- 2011-03-21
Frequently asked questions
- What is Mary O'Brien's NPI number?
- Mary O'Brien's National Provider Identifier (NPI) is 1750680401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary O'Brien's specialty?
- Mary O'Brien is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary O'Brien located?
- Mary O'Brien's practice location on file with NPPES is 18608 W Point Dr, Tinley Park, IL 60477-4930.
- What is Mary O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Mary O'Brien is (708) 334-7932.
- Does Mary O'Brien accept Medicare?
- Mary O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary O'Brien's NPI active?
- Yes — Mary O'Brien's NPI (1750680401) is active in the NPPES registry as of the last update on 2011-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.