NPPES file of Aug 9, 2026

Steven Flamm, MD

Gastroenterology Physician · Chicago, IL

Steven Flamm, MD is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1912937244, issued on Jul 3, 2006. Check the license (Illinois 036092931, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912937244
Name
Steven Flamm
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
036092931 IL
Self-reported in NPPES; status is on the state search
Practice location
675 N Saint Clair St, Chicago, IL 60611
Phone
(312) 695-4837
Enumerated
Jul 3, 2006
Record last updated
Jul 6, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(312) 695-5998
Medicare enrollment
Enrolled (PECOS I20221205000890); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 1989
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 675 N Saint Clair St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Abdul Aadam, M.D.Gastroenterology Physician1013038744
  2. Ronald Ackermann, MDInternal Medicine Physician1629029210
  3. Kehinde Adekola, MDHematology & Oncology Physician1306026117
  4. Sonya Agnew, M.D.Plastic Surgery Physician1962640250
  5. Mohammed Alghoul, M.D.Plastic Surgery Physician1932376746
  6. Sharon Allen, APRNAdult Health Nurse Practitioner1003849993

Verify Steven Flamm in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036092931
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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37% fewer Medicare Part D claims than the average gastroenterology physician in 2024

508 Medicare Part D claims for 108 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.

  1. Steven Flamm508
  2. Specialty average811

Most prescribed

  1. Xifaxan117 claims
  2. Furosemide46 claims
  3. Spironolactone43 claims
  4. Ursodiol40 claims
  5. Tenofovir Disoproxil Fumarate37 claims
  6. Ciprofloxacin Hcl28 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: $209,459.38

153 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steven Flamm$209,459
  2. Specialty average$5,016

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Illinois Gastroenterology Group LLCArlington Heights, IL
  2. Rush University Medical GroupCrown Point, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven Flamm among 887 gastroenterology physician records in Illinois

Steven Flamm, MD 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 fileYes · 72% of these records are
  • Graduated1989 · median 2003 among the 643 with a school on file
  • Record last updated2009 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Greg Cohen, M.D.Chicago, IL 606111669447348
  2. Maria Ferreira, MDChicago, IL 606111194755421
  3. Robin Fintel, M.D.Chicago, IL 606111023083250
  4. Melvin Goldstein, M.D.Chicago, IL 606111376531400
  5. Nirmala Gonsalves, MDChicago, IL 606111326038712
  6. Richard Green, MDChicago, IL 606111770511404
  7. Joseph Karacic, MDChicago, IL 606111992798417
  8. Kiran Nimmagadda, MDChicago, IL 606111720071293

Common questions

What is Steven Flamm, MD's NPI number?

Steven Flamm, MD's National Provider Identifier (NPI) is 1912937244, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven Flamm, MD located?

The NPPES record lists a practice address at 675 N Saint Clair St, Chicago, IL, 60611. Phone: (312) 695-4837. Providers update this record themselves, so call before visiting.

How can I verify Steven Flamm, MD's license?

NPPES lists Illinois license number 036092931, 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 Steven Flamm, MD prescribe under Medicare Part D?

In 2024, Steven Flamm, MD had 508 Medicare Part D claims for 108 beneficiaries; 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.