PATRICK DENNIS SCHAFFER (DO) – Internal Medicine Physician, NPI 1487117107
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,199 INTERNAL MEDICINE in OH
Provider Addresses for PATRICK DENNIS SCHAFFER (DO)
PO BOX 7527
DUBLIN, OH 430170727
Phone: (419) 520-2495
Fax: (614) 544-6370
Type: Mailing
6905 HOSPITAL DR STE 130
DUBLIN, OH 430169600
Phone: (614) 923-0300
Fax: (614) 923-0400
Type: Location
50 OLD VILLAGE RD
COLUMBUS, OH 432281583
Phone: (614) 544-1976
Fax: (614) 544-1981
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 19 Open Payments records for all available years, with a total value of $698.
Total Amount is formed as General ($698) + Research ($0) + Ownership ($0) = $698.
Last reported payment date: 2024-06-03 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($238).
Total Amount
$698
General + Research + Ownership
Payments
19
Total payment records
General Amount
$698
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-03
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2021-11-17
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 |
|---|---|---|---|---|
| I20211117001590 | I | Internal Medicine | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 43017)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | OH | |
| N E P H R O L O G Y | OH | |
| N E P H R O L O G Y | OH | |
| Physician Assistant | OH | |
| Nephrology, Internal Medicine | OH | |
| Nephrology, Internal Medicine | OH | |
| Nephrology, Internal Medicine | OH | |
| Nephrology, Internal Medicine | OH | |
| Nurse Practitioner | OH | |
| Nephrology, Internal Medicine | OH |
Reviews
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