RICHARD H. HSU (M.D.) – Gastroenterology Physician, NPI 1679521827
Gastroenterology Physician
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Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
Provider Addresses for RICHARD H. HSU (M.D.)
1221 N HIGHLAND AVE
AURORA, IL 605061404
Phone: (630) 859-6822
Type: Location
5825 Broadway
SuiteB
Merrillville, IN 464102687
Phone: (219) 981-9000
Type: Location
5825, Broadway, Merrillville, Lake County, Indiana, 46410, United States
SUITEB
MERRILLVILLE, IN 464102687
Phone: (219) 981-9000
Type: Location
702 S LYTLE ST APT 3N
CHICAGO, IL 606074186
Phone: (309) 472-8636
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $183.
Total Amount is formed as General ($183) + Research ($0) + Ownership ($0) = $183.
Last reported payment date: 2024-09-23 • Largest payer in this snapshot: ABBVIE INC. ($104).
Total Amount
$183
General + Research + Ownership
Payments
8
Total payment records
General Amount
$183
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $104 |
| Takeda Pharmaceuticals U.S.A., Inc. | $23 |
| Braintree Laboratories, Inc. | $21 |
| Janssen Biotech, Inc. | $19 |
| PFIZER INC. | $16 |
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: 2021-01-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20120313000721 | I | Gastroenterology | HI | TBD |
| I20130711000472 | I | Internal Medicine | IL | TBD |
| I20210119001349 | I | Gastroenterology | KY | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 92 | 44 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 86 | 86 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 79 | 79 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 65 | 65 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 37 | 34 | $0 |
Insurance plans in this area (ZIP 60506)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | IL | |
| A N E S T H E S I O L O G Y | IL | |
| - | MN | |
| - | IL | |
| - | IL | |
| Rheumatology, Internal Medicine | IL | |
| - | IL | |
| Internal Medicine | IL | |
| P S Y C H I A T R Y | IL | |
| - | IL |
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