Gregorio Gustavo Rosenstein, MD
Internal Medicine Physician · Chicago, IL
Gregorio Gustavo Rosenstein, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1619936093, issued on Mar 22, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregorio Gustavo Rosenstein
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 5635 S Pulaski Road, Chicago, IL 60629
- Phone
- (773) 767-4359
- Enumerated
- Mar 22, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (773) 767-4369
- Medicare enrollment
- Enrolled (PECOS I20080221000262); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Gregorio Gustavo Rosenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average internal medicine physician in 2024
12,758 Medicare Part D claims for 544 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 472 claims were for opioids.
Most prescribed
- Atorvastatin Calcium825 claims
- Amlodipine Besylate491 claims
- Metformin Hcl451 claims
- Losartan Potassium407 claims
- Tamsulosin Hcl354 claims
- Gabapentin305 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.
Industry payments in 2024: $451.71
20 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregorio Gustavo Rosenstein among 7,238 internal medicine physician records in Illinois
Gregorio Gustavo Rosenstein, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1983 · median 2003 among the 3,580 with a school on file
- Record last updated2007 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Lillian De Leon, MDChicago, IL 606291134142193
- Maureen Fausone, MDChicago, IL 606291982223160
- Jolan Fejes, M. D.Chicago, IL 606291891833075
- Ann Garcelon, M.D.Chicago, IL 606291750364212
- Martin Lindenberger, M.D.Chicago, IL 606291013981463
- Michael McDonnell, M.D.Chicago, IL 606291467436972
Common questions
What is Gregorio Gustavo Rosenstein, MD's NPI number?
Gregorio Gustavo Rosenstein, MD's National Provider Identifier (NPI) is 1619936093, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregorio Gustavo Rosenstein, MD located?
The NPPES record lists a practice address at 5635 S Pulaski Road, Chicago, IL, 60629. Phone: (773) 767-4359. Providers update this record themselves, so call before visiting.
How can I verify Gregorio Gustavo Rosenstein, MD's license?
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 Gregorio Gustavo Rosenstein, MD prescribe under Medicare Part D?
In 2024, Gregorio Gustavo Rosenstein, MD had 12,758 Medicare Part D claims for 544 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.