NATHAN R TIWARI (MD) – Family Medicine Physician, NPI 1609185263
Family Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
971 FAMILY PRACTICE in ID
Provider Addresses for NATHAN R TIWARI (MD)
603 ROSARY DR
CORNING, IA 508411683
Phone: (218) 326-3401
Fax: (218) 999-1461
Type: Mailing
16760 N Highway 41
Rathdrum, ID 838588715
Phone: (208) 620-5250
Type: Location
PO BOX 1387
HAYDEN, ID 838351387
Phone: (208) 520-6250
Type: Mailing
1601 GOLF COURSE RD
GRAND RAPIDS, MN 557448648
Phone: (218) 326-3401
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: 2026-03-11
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 |
|---|---|---|---|---|
| I20170801003465 | I | Family Practice | IA | TBD |
| I20260311003068 | I | Family Practice | ID | 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 50841)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IA | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | ME | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | IA | |
| General Surgery | IA | |
| Nurse Practitioner | NC | |
| Nurse Practitioner | IA | |
| Cardiovascular Disease (Cardiology), Internal Medicine | TX | |
| Emergency Medicine, Internal Medicine | WI |
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