Ariel Zwelling
NPI 1336383520 · Occupational Therapist · Newton, MA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ariel Zwelling is a Occupational Therapist provider in Newton, MA (NPI 1336383520).
Provider details
- NPI number
- 1336383520
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 9805 (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 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
679 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) |
|---|---|---|
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 418 | $25 |
| Therapy Procedure Using Functional Activities97530 | 240 | $29 |
| Evaluation for Occupational Therapy, Typically 45 Minutes97166 | 21 | $99 |
Typical Medicare-allowed amounts for these services range $25–$99 (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
- 2009-05-01
- Last updated
- 2009-05-01
Frequently asked questions
- What is Ariel Zwelling's NPI number?
- Ariel Zwelling's National Provider Identifier (NPI) is 1336383520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ariel Zwelling's specialty?
- Ariel Zwelling is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Ariel Zwelling located?
- Ariel Zwelling's practice location on file with NPPES is 305 Centre St, Newton, MA 02458-1719.
- What is Ariel Zwelling's phone number?
- The practice phone number listed in the NPPES registry for Ariel Zwelling is (617) 244-8480.
- Does Ariel Zwelling accept Medicare?
- Ariel Zwelling is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ariel Zwelling's NPI active?
- Yes — Ariel Zwelling's NPI (1336383520) is active in the NPPES registry as of the last update on 2009-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.