DR. WILLIAM STEVEN RYBICKI (PHD) – Clinical Psychologist, NPI 1104004530
Clinical Psychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,668 CLINICAL PSYCHOLOGIST in PA
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Provider Addresses for DR. WILLIAM STEVEN RYBICKI (PHD)
1204 HOLLY LANE
DELAWARE COUNTY PROFESSIONAL SERVICES
GLEN MILLS, PA 19342
Phone: (610) 892-3800
Fax: (484) 468-1412
Type: Mailing
Baltimore Pike, Bowling Green, Nether Providence Township, Delaware County, Pennsylvania, 19065, United States
SUITE 303 DELAWARE COUNTY PROFESSIONAL SERVICES
MEDIA, PA 19063
Phone: (610) 892-3800
Fax: (484) 468-1412
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: 2022-07-08
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 |
|---|---|---|---|---|
| I20220708001451 | I | Clinical Psychologist | DC | 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 |
|---|---|---|---|---|
| 90837 | Psychotherapy, 1 hour | 105 | 13 | $0 |
| 90791 | Psychiatric diagnostic evaluation | 16 | 16 | $0 |
Insurance plans in this area (ZIP 19342)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Psychologist | VA | |
| - | VA | |
| Clinical Psychologist | VA | |
| Clinical Psychologist | ME | |
| Clinical Psychologist | WA | |
| Clinical Psychologist | PA | |
| Clinical Psychologist | VA | |
| Clinical Psychologist | VA | |
| Clinical Psychologist | VA | |
| Clinical Psychologist | VA |
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