DR. THEN ETHAN VAN TONG (DO) – Internal Medicine Physician, NPI 1447578992
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,354 INTERNAL MEDICINE in IA
Provider Addresses for DR. THEN ETHAN VAN TONG (DO)
1201 PENN AVE
DES MOINES, IA 503162339
Phone: (515) 266-1000
Fax: (515) 266-1824
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: 2018-05-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-09-30 (986 days ago).
Enrollment records
3
Earliest due date
2023-09-30
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 |
|---|---|---|---|---|
| I20130927000441 | I | Internal Medicine | IA | 2023-09-30 |
| I20150526002599 | I | Internal Medicine | AZ | TBD |
| I20180515002948 | I | Internal Medicine | CA | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 | 425 | 178 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 394 | 175 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 273 | 258 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 250 | 230 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 179 | 56 | $0 |
Insurance plans in this area (ZIP 50316)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MS | |
| Family Practice, Addiction Medicine | CA | |
| General Surgery | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Anesthesiology, Interventional Pain Management | CA | |
| Emergency Medicine | CA | |
| Internal Medicine, Hospitalist, Infectious Disease | CA | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology | CA | |
| Emergency Medicine | FL |
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