Jack Fields, PT
NPI 1225421910 · Physical Therapist · Kalispell, MT
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Fields, PT is a Physical Therapist provider in Kalispell, MT (NPI 1225421910).
Provider details
- NPI number
- 1225421910
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Male
- Sole proprietor
- No
- License
- PTP-PT-LIC-21865 (MT)
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
11 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
3,412 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 | 1,636 | $29 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 1,235 | $24 |
| Electrical Stimulation (unattended), to One Or More Areas for Indication(s) Other Than Wound Care, As Part of a Therapy Plan of CareG0283 | 513 | $8 |
| Evaluation for Physical Therapy, Typically 20 Minutes97161 | 28 | $98 |
Typical Medicare-allowed amounts for these services range $8–$98 (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
- 2015-03-05
- Last updated
- 2023-08-17
- Certified
- 2023-08-17
Frequently asked questions
- What is Jack Fields's NPI number?
- Jack Fields's National Provider Identifier (NPI) is 1225421910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Fields's specialty?
- Jack Fields is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Jack Fields located?
- Jack Fields's practice location on file with NPPES is 100 Westview Park Pl, Kalispell, MT 59901-3074.
- What is Jack Fields's phone number?
- The practice phone number listed in the NPPES registry for Jack Fields is (406) 393-2474.
- Does Jack Fields accept Medicare?
- Jack Fields is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Fields's NPI active?
- Yes — Jack Fields's NPI (1225421910) is active in the NPPES registry as of the last update on 2023-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.