DR. RON ZUIDERWEG (D.O.) – Nephrology Physician, NPI 1386680387
Nephrology Physician
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Profile Insights
NPPES metrics only — not quality of care.
90 NEPHROLOGY in UT
Provider Addresses for DR. RON ZUIDERWEG (D.O.)
2132 N 1700 W Ste 110
Layton, UT 840417059
Phone: (801) 779-3500
Fax: (801) 779-3508
Type: Location
3333, East Camelback Road, Village on the Lakes, Phoenix, Maricopa County, Arizona, 85018, United States
STE 180
PHOENIX, AZ 850182322
Phone: (302) 997-0484
Fax: (602) 224-3315
Type: Mailing
North 91st Avenue, Glendale, Maricopa County, Arizona, 85305, United States
GLENDALE, AZ 853052569
Phone: (623) 547-4668
Fax: (623) 535-7869
Type: Location
3702 S STATE ST STE 107
SOUTH SALT LAKE, UT 841155096
Phone: (801) 288-2634
Fax: (801) 288-1186
Type: Mailing
5285 S 400 E STE B
WASHINGTON TERRACE, UT 844057194
Phone: (801) 779-3500
Fax: (801) 779-3508
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 22 Open Payments records for all available years, with a total value of $446.
Total Amount is formed as General ($446) + Research ($0) + Ownership ($0) = $446.
Last reported payment date: 2024-11-26 • Largest payer in this snapshot: Otsuka America Pharmaceutical, Inc. ($61).
Total Amount
$446
General + Research + Ownership
Payments
22
Total payment records
General Amount
$446
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Otsuka America Pharmaceutical, Inc. | $61 |
| Ascendis Pharma Inc | $51 |
| Daiichi Sankyo Inc. | $47 |
| Amgen Inc. | $41 |
| CorMedix Inc. | $39 |
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: 2023-04-04
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 |
|---|---|---|---|---|
| I20060811000160 | I | Nephrology | AZ | TBD |
| I20230404001657 | I | Nephrology | UT | 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) | 120 | 40 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 120 | 93 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 64 | 33 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 22 | 21 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 20 | 18 | $0 |
Insurance plans in this area (ZIP 84041)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | UT | |
| Nurse Practitioner | UT | |
| N E P H R O L O G Y | UT | |
| Nurse Practitioner | UT | |
| - | UT | |
| Nurse Practitioner | UT | |
| Nephrology, Internal Medicine | UT | |
| Nephrology, Internal Medicine | UT | |
| Nurse Practitioner | UT | |
| Nurse Practitioner | UT |
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