DR. ERIC DAVID HYUN (MD-PHD) – Internal Medicine Physician, NPI 1831450170
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
690 HOSPITALIST in MN
Provider Addresses for DR. ERIC DAVID HYUN (MD-PHD)
915 E 1st St
Duluth, MN 558052107
Phone: (218) 249-5555
Type: Location
1025 Marsh St
Mankato, MN 560014752
Phone: (507) 594-4799
Type: Location
8100 CAMBRIDGE ST APT 31
HOUSTON, TX 770543109
Phone: (832) 549-4848
Type: Mailing
7974 UW HEALTH CT
MIDDLETON, WI 535625531
Phone:
Type: Mailing
25303 CHERRY RANCH DR
KATY, TX 774945740
Phone: (832) 538-4899
Type: Mailing
1 BAYLOR PLZ
HOUSTON, TX 770303411
Phone: (713) 364-8341
Type: Location
1 Baylor Plz
Houston, TX 770303411
Phone: (713) 364-8341
Type: Location
600 HIGHLAND AVE
MADISON, WI 537923411
Phone: (608) 263-6400
Type: Location
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: 2025-08-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 5 Medicare enrollment records; no due dates published yet.
Enrollment records
5
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 |
|---|---|---|---|---|
| I20150825004478 | I | Hospitalist | MN | TBD |
| I20220316002891 | I | Hospitalist | WI | TBD |
| I20230328002671 | I | Hospitalist | IA | TBD |
| I20250410000580 | I | Hospitalist | ND | TBD |
| I20250813003335 | I | Hospitalist | MI | 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 | 220 | 83 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 91 | 91 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 64 | 64 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 36 | 28 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 25 | 25 | $0 |
Insurance plans in this area (ZIP 55805)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Hospitalist | MN | |
| Hospitalist, Hospitalist, Internal Medicine | SD | |
| Emergency Medicine, Family Practice, Family Practice, Emergency Medicine | MN | |
| Emergency Medicine | NC | |
| Emergency Medicine | PA | |
| Internal Medicine, Hospitalist | NC | |
| Emergency Medicine | TX | |
| Hospitalist, Internal Medicine | MN | |
| Emergency Medicine | MINNESOTA |
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