MARIA SOBRERO (MD) – Nephrology Physician, NPI 1255318879
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MARIA SOBRERO (MD)
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
2555, South Doctor Martin Luther King Junior Drive, Near South Side, Chicago, South Chicago Township, Cook County, Illinois, 60616, United States
2ND FLR
CHICAGO, IL 606162419
Phone: (312) 379-8022
Fax: (312) 674-4001
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2004-02-04
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 |
|---|---|---|---|---|
| I20040204000398 | 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 |
|---|---|---|---|---|
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 255 | 41 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 96 | 46 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 33 | 30 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 23 | 17 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 18 | 11 | $0 |
Insurance plans in this area (ZIP 60661)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Internal Medicine | IL | |
| - | OH | |
| - | IL | |
| - | IL | |
| Orthopedic Surgery | IL |
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