SUMIN TAMMY LI (M.D.) – General Practice Physician, NPI 1205086337
General Practice Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
483 EMERGENCY MEDICINE in IA
Provider Addresses for SUMIN TAMMY LI (M.D.)
400, Polk Street, Washington, Tazewell County, Illinois, 61571, United States
WASHINGTON, IA 523531237
Phone: (319) 550-5118
Type: Mailing
1429 Wild Prairie Dr
Iowa City, IA 522468691
Phone: (650) 766-5337
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: 2017-08-23
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 |
|---|---|---|---|---|
| I20161019002408 | I | Emergency Medicine | IA | TBD |
| I20170823000762 | I | Emergency Medicine | TX | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 52353)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IA | |
| Clinical Social Worker | IA | |
| Physician Assistant | IL | |
| Family Practice | IA | |
| Emergency Medicine | OK | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | IA | |
| Physician Assistant | IA | |
| Family Practice | IA | |
| Nurse Practitioner | IL |
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