SANDI M TENFELDE (A.P.N.) – Nurse Practitioner, NPI 1154528834
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
11,632 NURSE PRACTITIONER in IL
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Provider Addresses for SANDI M TENFELDE (A.P.N.)
1359, West 16th Street, Pilsen, Lower West Side, University Village/Little Italy, Chicago, Cook County, Illinois, 60608, United States
CHICAGO, IL 606082147
Phone: (312) 829-6741
Fax: (312) 996-8871
Type: Mailing
University of Illinois at Chicago Hospital (UICH), 1740, West Taylor Street, Near West Side, Illinois Medical District, Chicago, Illinois Medical District, Illinois, 60612, United States
CHICAGO, IL 606127232
Phone: (312) 413-2708
Fax: (312) 355-3188
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $3,343.
Total Amount is formed as General ($3,343) + Research ($0) + Ownership ($0) = $3,343.
Last reported payment date: 2024-10-05 • Largest payer in this snapshot: Biogen, Inc. ($3,223).
Total Amount
$3,343
General + Research + Ownership
Payments
4
Total payment records
General Amount
$3,343
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Biogen, Inc. | $3,223 |
| Organon LLC | $121 |
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: 2008-04-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20080429000823 | I | Nurse Practitioner | IL | 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 60608)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| O P H T H A L M O L O G Y | IL | |
| O P H T H A L M O L O G Y | IL | |
| Family Practice | WA | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Internal Medicine | IL | |
| - | IL | |
| Family Practice | IL |
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