MARY SCHAFFER (PH.D.) – Psychologist, NPI 1679501563
Psychologist
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,139 CLINICAL PSYCHOLOGIST in OH
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Provider Addresses for MARY SCHAFFER (PH.D.)
PO box, Russell Road, Paoli, Tredyffrin Township, Chester County, Pennsylvania, 19301, United States
GRAND RIVER, OH 440450570
Phone: (440) 477-6392
Type: Mailing
6817, Kirkwood Drive, Mentor Acres, Mentor, Lake County, Ohio, 44060, United States
MENTOR, OH 440604205
Phone: (440) 972-0454
Fax: (440) 972-0459
Type: Location
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: 2003-12-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-08-31 (1012 days ago).
Enrollment records
1
Earliest due date
2023-08-31
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 |
|---|---|---|---|---|
| I20031208000879 | I | Clinical Psychologist | OH | 2023-08-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 90837 | Psychotherapy, 1 hour | 173 | 13 | $0 |
| 90834 | Psychotherapy, 45 minutes | 66 | 13 | $0 |
Insurance plans in this area (ZIP 44045)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | OH | |
| Clinical Psychologist | OH | |
| Clinical Social Worker | OH | |
| Marriage And Family Therapist | OH | |
| Mental Health Counselor | OH |
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