Janet Zwirn, OTR
NPI 1245493543 · Occupational Therapist · Chesterfield, MO
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janet Zwirn, OTR is a Occupational Therapist provider in Chesterfield, MO (NPI 1245493543).
Provider details
- NPI number
- 1245493543
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR
- Sex
- Female
- Sole proprietor
- No
- License
- 2001000745 (MO)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
3,255 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 | 1,109 | $22 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 1,040 | $24 |
| Therapy Procedure Using Functional Activities97530 | 940 | $33 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 81 | $24 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 47 | $20 |
| Evaluation for Occupational Therapy, Typically 45 Minutes97166 | 38 | $97 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-07
- Last updated
- 2021-09-08
- Certified
- 2021-09-08
Frequently asked questions
- What is Janet Zwirn's NPI number?
- Janet Zwirn's National Provider Identifier (NPI) is 1245493543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Zwirn's specialty?
- Janet Zwirn is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Janet Zwirn located?
- Janet Zwirn's practice location on file with NPPES is 13190 S Outer 40, Chesterfield, MO 63017-5917.
- What is Janet Zwirn's phone number?
- The practice phone number listed in the NPPES registry for Janet Zwirn is (314) 754-2180.
- Does Janet Zwirn accept Medicare?
- Janet Zwirn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janet Zwirn's NPI active?
- Yes — Janet Zwirn's NPI (1245493543) is active in the NPPES registry as of the last update on 2021-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.