ELLEN MARIE DIEFENDERFER (PA-C) – Physician Assistant, NPI 1073909289
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,032 PHYSICIAN ASSISTANT in OH
Provider Addresses for ELLEN MARIE DIEFENDERFER (PA-C)
700 ACKERMAN RD STE 2120
COLUMBUS, OH 432021559
Phone: (614) 293-9059
Fax: (614) 293-0201
Type: Mailing
300 W 10TH AVE
COLUMBUS, OH 432101280
Phone: (614) 293-9059
Fax: (614) 293-0201
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 13 Open Payments records for all available years, with a total value of $1,962.
Total Amount is formed as General ($1,962) + Research ($0) + Ownership ($0) = $1,962.
Last reported payment date: 2024-11-05 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($1,831).
Total Amount
$1,962
General + Research + Ownership
Payments
13
Total payment records
General Amount
$1,962
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $1,831 |
| AstraZeneca Pharmaceuticals LP | $131 |
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: 2015-08-04
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 |
|---|---|---|---|---|
| I20150804005048 | I | Physician Assistant | OH | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 32 | 30 | $0 |
Insurance plans in this area (ZIP 43202)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | OH | |
| Nurse Practitioner | OH | |
| General Surgery | IN | |
| Nurse Practitioner | OH | |
| - | OH | |
| General Surgery | OH | |
| Nurse Practitioner | OH | |
| - | OH | |
| General Surgery | NE | |
| General Surgery | OH |
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