MR. STEVEN HWANG (MD) – Hematology & Oncology Physician, NPI 1245735729
Hematology & Oncology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
25 SURGICAL ONCOLOGY in MN
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Provider Addresses for MR. STEVEN HWANG (MD)
1st Street Southwest, Rochester, Olmsted County, Minnesota, 55903, United States
ROCHESTER, MN 559050001
Phone: (507) 284-2511
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)
CMS reports 42 Open Payments records for all available years, with a total value of $851.
Total Amount is formed as General ($851) + Research ($0) + Ownership ($0) = $851.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Ipsen Biopharmaceuticals, Inc ($79).
Total Amount
$851
General + Research + Ownership
Payments
42
Total payment records
General Amount
$851
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
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: 2024-08-07
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 |
|---|---|---|---|---|
| I20240807000134 | I | Surgical Oncology | AL | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 67 | 53 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 37 | 18 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 16 | 16 | $0 |
Insurance plans in this area (ZIP 55905)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | AL | |
| H E M A T O L O G Y/ O N C O L O G Y | MS | |
| Medical Oncology, Hematology | AL | |
| Medical Oncology, Hematology | AL | |
| Medical Oncology, Hematology | AL | |
| Medical Oncology, Hematology | AL | |
| - | AL | |
| General Surgery | AL | |
| Nurse Practitioner | AL | |
| Gynecological Oncology | AL |
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