REBECCA R. JENTZEN (MD) – Internal Medicine Physician, NPI 1750518635
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 REBECCA R. JENTZEN (MD)
403 1st St SE
Belmond, IA 504211201
Phone: (641) 444-3500
Fax: (319) 343-1161
Type: Location
1316 S Main St
Clarion, IA 505252019
Phone: (515) 532-2811
Fax: (515) 532-3119
Type: Location
Cole Farm Boulevard, Port Dalhousie, St. Catharines, Niagara Region, Golden Horseshoe, Ontario, L2N 4W1, Canada
STE #100
GOLDEN, CO 80401
Phone: (303) 716-8013
Fax: (303) 763-5495
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: 2023-06-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20181009001939 | I | Internal Medicine | IA | TBD |
| I20210331000093 | I | Internal Medicine | GA | TBD |
| I20230614001711 | I | Internal Medicine | ME | 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 50421)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | GA | |
| Nurse Practitioner | GA | |
| Internal Medicine | GA | |
| H O S P I T A L I S T | GA | |
| Internal Medicine | GA | |
| Internal Medicine | GA | |
| Hospitalist, Internal Medicine | IN | |
| N E U R O L O G Y | GA | |
| Nurse Practitioner | GA | |
| Hospitalist, Internal Medicine | GA |
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