Gregory A. Sonntag, P.T.
Physical Therapist · Centralia, WA
Gregory A. Sonntag, P.T. is a physical therapist with a practice address in Centralia, Washington, and NPI 1295780427, issued on May 24, 2006. Check the license (Washington PT60828763, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory A. Sonntag
- Credential
- P.T.
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- PT60828763 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1118 View Ave, Centralia, WA 98531
- Phone
- (360) 736-5273
- Enumerated
- May 24, 2006
- Record last updated
- Oct 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180619000661); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 7,493 in Washington → Look up another NPI →
Also registered at 1118 View Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Buono, PT, DPT, ATCPhysical Therapist1023257383
- Alexander Cox, DPTPhysical Therapist1497484026
- John Paul Fairhart, DPTPhysical Therapist1801297379
- Nicholas Higa, DPTPhysical Therapist1801343223
- Anesse Kuehl, D.P.T.Physical Therapist1588097646
- Holly Lickwala, P.T.Physical Therapist1699912295
Verify Gregory A. Sonntag in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PT60828763Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 93.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Timberline Rehabilitation Service PSVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory A. Sonntag among 7,493 physical therapist records in Washington
Gregory A. Sonntag, P.T. is one of 7,493 physical therapist records with a practice address in Washington. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 80% newer
- In a Medicare fileYes · 38% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2022 · median 2016 among the 2,929 with a school on file
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 physical therapist records list a practice address in Centralia
They are 46 of the 1,049 NPPES records with a practice address in Centralia, and 7,493 physical therapist records in Washington.
All 7,493 in Washington → Every provider in Centralia → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Erin Carrier, PTCentralia, WA 985311255594354
- Cynthia Cooke, M.S.P.T.Centralia, WA 985311306011903
- Kenneth Coombs, PTCentralia, WA 985311164680872
- Adam Gullett, MPTCentralia, WA 985311528041910
- Nancy Hamilton, P.T.Centralia, WA 985311982757597
- Nancy JordanCentralia, WA 985311083873079
- Royce LarsonCentralia, WA 985311356400816
- Anne Matz, M.S.,P.T.Centralia, WA 985311346309838
Common questions
What is Gregory A. Sonntag, P.T.'s NPI number?
Gregory A. Sonntag, P.T.'s National Provider Identifier (NPI) is 1295780427, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory A. Sonntag, P.T. located?
The NPPES record lists a practice address at 1118 View Ave, Centralia, WA, 98531. Phone: (360) 736-5273. Providers update this record themselves, so call before visiting.
How can I verify Gregory A. Sonntag, P.T.'s license?
NPPES lists Washington license number PT60828763, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
What is Gregory A. Sonntag, P.T.'s MIPS final score?
The 2023 MIPS final score is 93.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.