DR. STEPHEN M NAGENGAST (MD) – Surgery Physician, NPI 1649357104
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
202 GENERAL SURGERY in NE
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Provider Addresses for DR. STEPHEN M NAGENGAST (MD)
1101, South 70th Street, Lincoln, Lancaster County, Nebraska, 68510, United States
SUITE 100
LINCOLN, NE 685104278
Phone: (402) 483-4292
Fax: (402) 483-4735
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: 2005-08-01
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 |
|---|---|---|---|---|
| I20050801001283 | I | General Surgery | NE | 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 |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 81 | 35 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 71 | 51 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 69 | 69 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 50 | 50 | $0 |
| 47562 | Removal of gallbladder using an endoscope | 48 | 48 | $0 |
Insurance plans in this area (ZIP 68510)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | NE | |
| General Surgery | NE | |
| - | NE | |
| Nurse Practitioner | NE | |
| Physician Assistant | NE | |
| Physician Assistant | NE | |
| General Surgery | AZ | |
| Physician Assistant | NE | |
| General Surgery | NE | |
| Nurse Practitioner | NE |
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