DR. TONY YICHUAN REN (M.D.) – Internal Medicine Physician, NPI 1831503283
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
878 HOSPITALIST in IN
Provider Addresses for DR. TONY YICHUAN REN (M.D.)
3223 EDGERTON ST
WEST LAFAYETTE, IN 479067219
Phone: (765) 714-3295
Type: Mailing
1120 SOUTH DR
FESLER HALL RM. 224
INDIANAPOLIS, IN 462025135
Phone: (317) 274-8282
Type: Location
250 N SHADELAND AVE
INDIANAPOLIS, IN 462194959
Phone:
Type: Mailing
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: 2017-08-08
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 |
|---|---|---|---|---|
| I20170808003616 | I | Hospitalist | IN | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 255 | 75 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 165 | 81 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 69 | 66 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 22 | 22 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 15 | $0 |
Insurance plans in this area (ZIP 47906)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pediatric Medicine | NC | |
| U R O L O G Y | IN | |
| Diagnostic Radiology, Interventional Radiology | NY | |
| Nurse Practitioner | IN | |
| P A T H O L O G Y | IN | |
| O T O L A R Y N G O L O G Y | IN | |
| E N D O C R I N O L O G Y | IN | |
| Family Practice, Sports Medicine | IN | |
| Gastroenterology, Internal Medicine | IN | |
| Orthopedic Surgery | MO |
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