WILLIAM S ISAACSON (MD) – Interventional Pain Medicine Physician, NPI 1164417648
Interventional Pain Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for WILLIAM S ISAACSON (MD)
2010, Old West Chester Pike, Adele, Havertown, Haverford Township, Delaware County, Pennsylvania, 19083, United States
SUITE 330
HAVERTOWN, PA 19083
Phone: (610) 789-8070
Fax: (610) 789-9937
Type: Location
PO BOX 650782
DALLAS, TX 75265
Phone: (610) 789-8070
Fax: (610) 789-9937
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.
This can happen when there are no reportable CMS Open Payments records.
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: 2008-09-05
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 |
|---|---|---|---|---|
| I20080905000024 | I | Anesthesiology | PA | 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 |
|---|---|---|---|---|
| 00142 | Anesthesia for lens surgery | 27 | 27 | $0 |
| 01810 | Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 20 | 20 | $0 |
| 64417 | Injection of anesthetic agent and/or steroid into upper arm and shoulder nerve (axillary nerve) | 12 | 12 | $0 |
Insurance plans in this area (ZIP 19083)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX |
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