DR. SONJAY JOSEPH FONN (DO) – Neurological Surgery Physician, NPI 1053533919
Neurological Surgery Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
185 NEUROSURGERY in MO
Provider Addresses for DR. SONJAY JOSEPH FONN (DO)
PO BOX 614
CAPE GIRARDEAU, MO 637020614
Phone: (573) 651-1687
Fax: (573) 651-8734
Type: Mailing
65 DOCTORS PARK STE A
CAPE GIRARDEAU, MO 637034927
Phone: (573) 651-1687
Fax: (573) 651-8734
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $99.
Total Amount is formed as General ($99) + Research ($0) + Ownership ($0) = $99.
Last reported payment date: 2024-03-07 • Largest payer in this snapshot: SPR Therapeutics, Inc ($80).
Total Amount
$99
General + Research + Ownership
Payments
2
Total payment records
General Amount
$99
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| SPR Therapeutics, Inc | $80 |
| PAINTEQ LLC | $19 |
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: 2008-09-19
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 |
|---|---|---|---|---|
| I20080919000575 | I | Neurosurgery | MO | 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 63702)
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