Sara Gruenwald, PT
NPI 1356549513 · Physical Therapist · Hackettstown, NJ
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sara Gruenwald, PT is a Physical Therapist provider in Hackettstown, NJ (NPI 1356549513).
Provider details
- NPI number
- 1356549513
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 40QA01189200 (NJ)
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
18 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
1,560 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 | 563 | $25 |
| Therapy Procedure Using Functional Activities97530 | 326 | $37 |
| Therapy Procedure for Walking Training, Each 15 Minutes97116 | 325 | $24 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 244 | $30 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 102 | $30 |
Typical Medicare-allowed amounts for these services range $24–$37 (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
- 2007-07-10
- Last updated
- 2022-01-06
- Certified
- 2022-01-06
Frequently asked questions
- What is Sara Gruenwald's NPI number?
- Sara Gruenwald's National Provider Identifier (NPI) is 1356549513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sara Gruenwald's specialty?
- Sara Gruenwald is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Sara Gruenwald located?
- Sara Gruenwald's practice location on file with NPPES is 1 Schindler Sq, Hackettstown, NJ 07840-4209.
- What is Sara Gruenwald's phone number?
- The practice phone number listed in the NPPES registry for Sara Gruenwald is (973) 752-6093.
- Does Sara Gruenwald accept Medicare?
- Sara Gruenwald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sara Gruenwald's NPI active?
- Yes — Sara Gruenwald's NPI (1356549513) is active in the NPPES registry as of the last update on 2022-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.