Bertram Henry Gerald Rogers, M.D.
Gastroenterology Physician · Chicago, IL
Bertram Henry Gerald Rogers, M.D. is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1316903347, issued on Apr 26, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Bertram Henry Gerald Rogers
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- Practice location
- 505 North Lake Shore Dr, Chicago, IL 60611
- Phone
- (312) 828-9747
- Enumerated
- Apr 26, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (312) 828-9761
- Medicaid ID
- 03604176 IL
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Verify Bertram Henry Gerald Rogers 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
96% fewer Medicare Part D claims than the average gastroenterology physician in 2024
32 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Bertram Henry Gerald Rogers among 887 gastroenterology physician records in Illinois
Bertram Henry Gerald Rogers, M.D. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 52% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Illinois
There are 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Chicago → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Greg Cohen, M.D.Chicago, IL 606111669447348
- Maria Ferreira, MDChicago, IL 606111194755421
- Robin Fintel, M.D.Chicago, IL 606111023083250
- Steven Flamm, MDChicago, IL 606111912937244
- Melvin Goldstein, M.D.Chicago, IL 606111376531400
- Nirmala Gonsalves, MDChicago, IL 606111326038712
- Richard Green, MDChicago, IL 606111770511404
- Joseph Karacic, MDChicago, IL 606111992798417
Common questions
What is Bertram Henry Gerald Rogers, M.D.'s NPI number?
Bertram Henry Gerald Rogers, M.D.'s National Provider Identifier (NPI) is 1316903347, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bertram Henry Gerald Rogers, M.D. located?
The NPPES record lists a practice address at 505 North Lake Shore Dr, Chicago, IL, 60611. Phone: (312) 828-9747. Providers update this record themselves, so call before visiting.
How can I verify Bertram Henry Gerald Rogers, M.D.'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 Bertram Henry Gerald Rogers, M.D. prescribe under Medicare Part D?
In 2024, Bertram Henry Gerald Rogers, M.D. had 32 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. 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.