DIANE O. SHIFFER (PT) – Physical Therapist, NPI 1598708919
Physical Therapist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,808 PHYSICAL THERAPIST IN PRIVATE PRACTICE in OR
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Provider Addresses for DIANE O. SHIFFER (PT)
17775, Kelok Road, Blue Heron, Lake Oswego, Clackamas County, Oregon, 97034, United States
LAKE OSWEGO, OR 970346601
Phone: (503) 636-4109
Type: Mailing
12540 SW 68TH AVE
TIGARD, OR 972238597
Phone: (503) 974-9078
Fax: (503) 974-9083
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: 2013-09-13
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 |
|---|---|---|---|---|
| I20130913000206 | I | Physical Therapist In Private Practice | OR | 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 | 661 | 40 | $0 |
| 97140 | Therapy procedure using manual technique, each 15 minutes | 339 | 37 | $0 |
| 97112 | Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | 133 | 31 | $0 |
| 97535 | Training for self-care or home management, each 15 minutes | 61 | 24 | $0 |
| 97110 | Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 30 | 13 | $0 |
Insurance plans in this area (ZIP 97034)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICAL THERAPY | OR | 97110 | Therapeutic exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 202 | 19 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | OR | |
| Physical Therapist In Private Practice | OR | |
| Physical Therapist In Private Practice | OR | |
| Physical Therapist In Private Practice | OR | |
| Physical Therapist In Private Practice | OR | |
| Physical Therapist In Private Practice | OR | |
| Physical Therapist In Private Practice | OR | |
| - | OR |
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