Robert A. Rosenbaum, M.D.
Internal Medicine Physician · Chicago, IL
Robert A. Rosenbaum, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1801900949, issued on Aug 18, 2006. Check the license (Illinois 36049095, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert A. Rosenbaum
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 36049095 IL
Self-reported in NPPES; status is on the state search - Practice location
- 676 N Saint Clair St Ste 1745, Chicago, IL 60611
- Phone
- (312) 926-3600
- Enumerated
- Aug 18, 2006
- Record last updated
- Feb 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (855) 205-7749
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 676 N Saint Clair St Ste 1745
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Levine, MDInternal Medicine Physician1134549058
Verify Robert A. Rosenbaum 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 36049095Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert A. Rosenbaum among 7,238 internal medicine physician records in Illinois
Robert A. Rosenbaum, M.D. 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 not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2019 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kenneth Arbetter, MDChicago, IL 606111336132851
- Steven Gallo, MDChicago, IL 606111548253024
- Arnold Grauer, MDChicago, IL 606111619960184
- James Hall, MDChicago, IL 606111649263153
- Frances Langdon, MDChicago, IL 606111063405546
- Michael Lee, MDChicago, IL 606111942293451
- Hazel Manzano, MDChicago, IL 606111801889316
- Chadwick Milstead, MDChicago, IL 606111740273259
Common questions
What is Robert A. Rosenbaum, M.D.'s NPI number?
Robert A. Rosenbaum, M.D.'s National Provider Identifier (NPI) is 1801900949, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Rosenbaum, M.D. located?
The NPPES record lists a practice address at 676 N Saint Clair St Ste 1745, Chicago, IL, 60611. Phone: (312) 926-3600. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Rosenbaum, M.D.'s license?
NPPES lists Illinois license number 36049095, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.