Maria Sobrero, MD
Nephrology Physician · Chicago, IL
Maria Sobrero, MD is a nephrology physician with a practice address in Chicago, Illinois, and NPI 1255318879, issued on Dec 23, 2005. Check the license (Illinois 036072521, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Maria Sobrero
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 036072521 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2555 S King Dr, Chicago, IL 60616
- Phone
- (312) 379-8022
- Enumerated
- Dec 23, 2005
- Record last updated
- May 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (312) 674-4001
- Medicaid ID
- 036072521 IL
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 572 in Illinois → Look up another NPI →
Also registered at 2555 S King Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Glenn Beard, M. D.Pulmonary Disease Physician1346317724
- Javette Orgain, MD MPHFamily Medicine Physician1174635718
- Kimberly Williams, NPNurse Practitioner1770537532
Verify Maria Sobrero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036072521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average nephrology physician in 2024
129 Medicare Part D claims for 33 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Auryxia20 claims
- Velphoro20 claims
- Sevelamer Carbonate14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Maria Sobrero among 572 nephrology physician records in Illinois
Maria Sobrero, MD is one of 572 nephrology physician records with a practice address in Illinois. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2013 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Illinois
There are 572 nephrology physician records in Illinois.
All 572 in Illinois → Every provider in Chicago → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Sheldon Hirsch, MDChicago, IL 606161174509020
- Jelena Kovacevic, M.D.Chicago, IL 606161629310073
- Nimeet Brahmbhatt, M.D.Chicago, IL 606171457678302
- Bogdan Derylo, MDChicago, IL 606181447211966
- Mark Leischner, M.D.Chicago, IL 606181598708877
- Momen Abbasi, M.D.Chicago, IL 606121184472268
- Sarmad Ahmad, DOChicago, IL 606121952979775
- Fayzan Ahmad, MDChicago, IL 606121376005835
Common questions
What is Maria Sobrero, MD's NPI number?
Maria Sobrero, MD's National Provider Identifier (NPI) is 1255318879, issued on Dec 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Maria Sobrero, MD located?
The NPPES record lists a practice address at 2555 S King Dr, Chicago, IL, 60616. Phone: (312) 379-8022. Providers update this record themselves, so call before visiting.
How can I verify Maria Sobrero, MD's license?
NPPES lists Illinois license number 036072521, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Sobrero, MD prescribe under Medicare Part D?
In 2024, Maria Sobrero, MD had 129 Medicare Part D claims for 33 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.