GREGORY A SONNTAG (P.T.) – Physical Therapist, NPI 1295780427
Physical Therapist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,785 PHYSICAL THERAPIST IN PRIVATE PRACTICE in AZ
Provider Addresses for GREGORY A SONNTAG (P.T.)
4838 E Baseline Rd
Suite 105
Mesa, AZ 852064671
Phone: (480) 890-9000
Fax: (480) 890-9100
Type: Location
1118, View Avenue, Centralia, Lewis County, Washington, 98531, United States
CENTRALIA, WA 985311870
Phone: (360) 736-5273
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2018-06-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20180619000661 | I | Physical Therapist In Private Practice | WA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 97530 | Therapy procedure using functional activities | 1,028 | 63 | $0 |
| 97110 | Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 558 | 58 | $0 |
| 97140 | Therapy procedure using manual technique, each 15 minutes | 180 | 39 | $0 |
| 97112 | Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | 146 | 34 | $0 |
| 97164 | Re-evaluation for physical therapy, typically 20 minutes | 40 | 24 | $0 |
Insurance plans in this area (ZIP 85206)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | WA | |
| Physical Therapist In Private Practice | OR | |
| - | IL |
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