JOHN SONGYONG OH (M.D.) – Trauma Surgery Physician, NPI 1821141789
Trauma Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,999 GENERAL SURGERY in PA
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Provider Addresses for JOHN SONGYONG OH (M.D.)
Hershey Medical Center, 500, University Drive, Hershey, Dauphin County, Pennsylvania, 17033, United States
HERSHEY, PA 170332360
Phone: (800) 243-1455
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: 2015-10-19
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 |
|---|---|---|---|---|
| I20151019001831 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 92 | 21 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 47 | 40 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 12 | 12 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 17033)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | PA | |
| Vascular Surgery | MD | |
| O P H T H A L M O L O G Y | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| - | FL | |
| - | PA | |
| - | PA | |
| Emergency Medicine | PA | |
| Critical Care (Intensivists) | PA |
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