VALERIE SIQUEIRA DUHN (MD) – Nephrology Physician, NPI 1023296050
Nephrology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
434 NEPHROLOGY in MI
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Provider Addresses for VALERIE SIQUEIRA DUHN (MD)
201, East Michigan Avenue, Kalamazoo, Kalamazoo County, Michigan, 49007, United States
KALAMAZOO, MI 49007
Phone: (269) 349-6759
Fax: (369) 349-7450
Type: Location
233 Roosevelt Ave E # S
Battle Creek, MI 490372810
Phone: (269) 349-6759
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $25.
Total Amount is formed as General ($25) + Research ($0) + Ownership ($0) = $25.
Last reported payment date: 2024-10-23 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($25).
Total Amount
$25
General + Research + Ownership
Payments
1
Total payment records
General Amount
$25
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $25 |
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: 2010-09-16
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 |
|---|---|---|---|---|
| I20100916000230 | I | Nephrology | 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 |
|---|---|---|---|---|
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 327 | 59 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 202 | 119 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 91 | 55 | $0 |
| 90966 | Home dialysis services per month (20 years or older) | 76 | 12 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 65 | 45 | $0 |
Insurance plans in this area (ZIP 49007)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Otolaryngology, Plastic And Reconstructive Surgery | MI | |
| - | MI | |
| Gastroenterology, Internal Medicine | MI | |
| Nephrology, Internal Medicine | MI | |
| Physician Assistant | MI | |
| D E R M A T O L O G Y | MI | |
| O T O L A R Y N G O L O G Y | MI | |
| Nephrology, Internal Medicine | MI | |
| - | MI | |
| D E R M A T O L O G Y | MI |
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