JIM YAO (M.D.) – Nephrology Physician, NPI 1427028968
Nephrology Physician
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Profile Insights
NPPES metrics only — not quality of care.
629 NEPHROLOGY in IL
Provider Addresses for JIM YAO (M.D.)
3700 W 203rd St Ste 201
Olympia Fields, IL 604611182
Phone: (708) 952-3040
Type: Location
The Edge Lofts and Tower, 210, South Desplaines Street, Greektown, Near West Side, University Village/Little Italy, Chicago, Cook County, Illinois, 60661, United States
CHICAGO, IL 606615500
Phone: (312) 654-2700
Fax: (312) 654-9930
Type: Mailing
314 RIDGE RD
MUNSTER, IN 463211528
Phone: (219) 789-1169
Fax: (219) 836-9364
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $245.
Total Amount is formed as General ($245) + Research ($0) + Ownership ($0) = $245.
Last reported payment date: 2024-11-27 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($135).
Total Amount
$245
General + Research + Ownership
Payments
7
Total payment records
General Amount
$245
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $135 |
| Fresenius USA Marketing, Inc. | $110 |
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: 2006-04-10
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 |
|---|---|---|---|---|
| I20060126000388 | I | Nephrology | IN | TBD |
| I20060410000315 | I | Nephrology | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 90970 | Dialysis services, per day, less than full month service (20 years or older) | 459 | 17 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 248 | 79 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 222 | 83 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 153 | 19 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 126 | 35 | $0 |
Insurance plans in this area (ZIP 60461)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | IL | |
| - | IL | |
| N E P H R O L O G Y | IL | |
| - | IL | |
| - | IL | |
| N E P H R O L O G Y | IL | |
| - | IL | |
| - | IL | |
| Nephrology, Internal Medicine | IL | |
| Nephrology, Internal Medicine | IL |
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