MS. MARGARET DIFERDINAND (CRNA) – Certified Registered Nurse Anesthetist, NPI 1013924745
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,245 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in PA
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Provider Addresses for MS. MARGARET DIFERDINAND (CRNA)
Thomas Jefferson University Hospital, 111, South 11th Street, Washington Square West, Center City, Philadelphia, Philadelphia County, Pennsylvania, 19107, United States
SUITE 8490
PHILADELPHIA, PA 191074824
Phone: (215) 955-6161
Fax: (215) 923-5507
Mailing address matches the actual address.
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: 2006-09-28
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 |
|---|---|---|---|---|
| I20060928000438 | I | Certified Registered Nurse Anesthetist (Crna) | 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 | 447 | 410 | $0 |
| 00145 | Anesthesia for retinal surgery | 138 | 134 | $0 |
| 00140 | Anesthesia for other procedure on eye | 101 | 95 | $0 |
| 00144 | Anesthesia for procedure on eye for corneal transplant | 41 | 39 | $0 |
| 00103 | Anesthesia for procedure on eyelid | 23 | 23 | $0 |
Insurance plans in this area (ZIP 19107)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CERTIFIED REGISTERED NURSE ANESTHET | PA | 00142 | Anesthesia for lens surgery | 253 | 222 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | LA | |
| - | NJ | |
| - | PA | |
| A N E S T H E S I O L O G Y | NJ | |
| Certified Registered Nurse Anesthetist (Crna) | NJ | |
| A N E S T H E S I O L O G Y | PA | |
| - | NJ | |
| - | NJ | |
| - | NY | |
| A N E S T H E S I O L O G Y | NJ |
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