ZI ROGER ZHANG (M.D) – Nephrology Physician, NPI 1487005351
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
738 NEPHROLOGY in PA
Provider Addresses for ZI ROGER ZHANG (M.D)
100 E LANCASTER AVE STE 130
WYNNEWOOD, PA 190963453
Phone: (610) 649-1175
Type: Mailing
Au Bon Pain, 1650, West Harrison Street, Near West Side, Illinois Medical District, Chicago, Illinois Medical District, Illinois, 60612, United States
INTERNAL MEDICINE
CHICAGO, IL 606123800
Phone: (312) 942-5000
Type: Mailing
120 W 22ND ST
OAK BROOK, IL 605231557
Phone: (630) 573-5000
Type: Mailing
9125 S PULASKI RD
EVERGREEN PARK, IL 608051441
Phone: (708) 422-7715
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 $34.
Total Amount is formed as General ($34) + Research ($0) + Ownership ($0) = $34.
Last reported payment date: 2024-07-24 • Largest payer in this snapshot: CorMedix Inc. ($34).
Total Amount
$34
General + Research + Ownership
Payments
1
Total payment records
General Amount
$34
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| CorMedix Inc. | $34 |
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: 2023-06-08
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 |
|---|---|---|---|---|
| I20220309002706 | I | Nephrology | IL | TBD |
| I20230608000862 | I | Nephrology | PA | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 655 | 211 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 348 | 121 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 83 | 81 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 77 | 69 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 76 | 73 | $0 |
Insurance plans in this area (ZIP 19096)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | PA | |
| Nephrology, Internal Medicine | PA | |
| - | PA | |
| - | PA | |
| - | DC | |
| N E P H R O L O G Y | PA | |
| Nephrology, Internal Medicine | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| Nephrology, Internal Medicine | PA |
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