DR. GREGORY R. SEMON (D.O.) – Surgery Physician, NPI 1134366149
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,600 GENERAL SURGERY in OH
Provider Addresses for DR. GREGORY R. SEMON (D.O.)
30 E APPLE ST STE 6258
DAYTON, OH 454092939
Phone: (937) 208-5055
Type: Mailing
128, East Apple Street, South Park Historic District, Dayton, Montgomery County, Ohio, 45409, United States
SUITE 7000
DAYTON, OH 454092902
Phone: (937) 208-8322
Fax: (937) 208-2105
Type: Mailing
30, East Apple Street, South Park Historic District, Dayton, Montgomery County, Ohio, 45409, United States
SUITE 5253
DAYTON, OH 454092939
Phone: (937) 208-2552
Fax: (937) 208-4286
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $10,241.
Total Amount is formed as General ($10,241) + Research ($0) + Ownership ($0) = $10,241.
Last reported payment date: 2024-09-13 • Largest payer in this snapshot: KLS-Martin L.P. ($9,365).
Total Amount
$10,241
General + Research + Ownership
Payments
14
Total payment records
General Amount
$10,241
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| KLS-Martin L.P. | $9,365 |
| Intuitive Surgical, Inc. | $466 |
| Zimmer Biomet Holdings, Inc. | $254 |
| CONMED Corporation | $119 |
| Prytime Medical Devices, Inc. | $37 |
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: 2015-10-20
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 |
|---|---|---|---|---|
| I20151020002220 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 119 | 59 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 89 | 59 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 57 | 57 | $0 |
| 99291 | Critical care, first 30-74 minutes | 48 | 21 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 20 | 20 | $0 |
Insurance plans in this area (ZIP 45409)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hand Surgery, Orthopedic Surgery | OH | |
| Physician Assistant | OH | |
| - | OH | |
| Cardiovascular Disease (Cardiology) | OH | |
| - | OH | |
| Physician Assistant | OH | |
| Thoracic Surgery | PA | |
| Physician Assistant | OH | |
| Nurse Practitioner | OH | |
| Physician Assistant | OH |
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