HASAN BADER (M.D.) – Gastroenterology Physician, NPI 1275989998
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
382 GASTROENTEROLOGY in WI
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Provider Addresses for HASAN BADER (M.D.)
8701, West Watertown Plank Road, Wauwatosa, Milwaukee County, Wisconsin, 53226, United States
MILWAUKEE, WI 532263548
Phone: (414) 955-8296
Type: Mailing
401 ROXBURY RD
ROCKFORD, IL 611075075
Phone: (815) 397-7340
Type: Mailing
9200 W WISCONSIN AVE
MILWAUKEE, WI 532263522
Phone: (414) 805-3310
Fax: (414) 805-3885
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 18 Open Payments records for all available years, with a total value of $2,110.
Total Amount is formed as General ($2,110) + Research ($0) + Ownership ($0) = $2,110.
Last reported payment date: 2024-09-25 • Largest payer in this snapshot: Boston Scientific Corporation ($1,138).
Total Amount
$2,110
General + Research + Ownership
Payments
18
Total payment records
General Amount
$2,110
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $1,138 |
| Olympus Corporation of the Americas | $621 |
| ABBVIE INC. | $333 |
| Lilly USA, LLC | $18 |
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: 2023-10-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20220602001378 | I | Gastroenterology | WI | TBD |
| I20231004000945 | I | Gastroenterology | IL | 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 |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 28 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $0 |
| G0500 | Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 14 | 14 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 13 | 13 | $0 |
Insurance plans in this area (ZIP 53226)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Gastroenterology | IL | |
| Gastroenterology, Internal Medicine | LA | |
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| Certified Registered Nurse Anesthetist (Crna) | AR | |
| Nurse Practitioner | WI | |
| G A S T R O E N T E R O L O G Y | IL | |
| - | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL |
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