Gregory Sonntag, P.T.
NPI 1295780427 · Physical Therapist · Centralia, WA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Sonntag, P.T. is a Physical Therapist provider in Centralia, WA (NPI 1295780427).
Provider details
- NPI number
- 1295780427
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- P.T.
- Sex
- Male
- Sole proprietor
- No
- License
- PT60828763 (WA)
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
432 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 | 316 | $29 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 75 | $22 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 41 | $20 |
Typical Medicare-allowed amounts for these services range $20–$29 (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
Additional practice locations (1)
- 4838 E Baseline RdSuite 105Mesa, AZ 85206-4671Phone: (480) 890-9000Fax: (480) 890-9100
Registry dates
- Enumerated
- 2006-05-24
- Last updated
- 2018-10-02
Frequently asked questions
- What is Gregory Sonntag's NPI number?
- Gregory Sonntag's National Provider Identifier (NPI) is 1295780427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Sonntag's specialty?
- Gregory Sonntag is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gregory Sonntag located?
- Gregory Sonntag's practice location on file with NPPES is 1118 View Ave, Centralia, WA 98531-1870.
- What is Gregory Sonntag's phone number?
- The practice phone number listed in the NPPES registry for Gregory Sonntag is (360) 736-5273.
- Does Gregory Sonntag accept Medicare?
- Gregory Sonntag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Sonntag's NPI active?
- Yes — Gregory Sonntag's NPI (1295780427) is active in the NPPES registry as of the last update on 2018-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.