Stephen Michael Grohmann, M.D.
Infectious Disease Physician · Chicago, IL
Stephen Michael Grohmann, M.D. is an infectious disease physician with a practice address in Chicago, Illinois, and NPI 1033163191, issued on May 20, 2006. Check the license (Illinois 036078269, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Stephen Michael Grohmann
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 036078269 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2740 W Foster Ave, Chicago, IL 60625
- Phone
- (773) 907-3400
- Enumerated
- May 20, 2006
- Record last updated
- Apr 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (773) 506-2668
- Medicaid ID
- 036078269 IL
- Medicare enrollment
- Enrolled (PECOS I20101109000845); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 2740 W Foster Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Oluwadamilola Adeyemi, MDInfectious Disease Physician1376700955
- Donald BaeuchlerPharmacist1932198926
- Kevin Conaty, LCSWClinical Social Worker1891721569
- Jayshree Dhali, M.D.Endocrinology, Diabetes & Metabolism Physician1952350803
- Howard Federer, M.D.Surgery Physician1023039674
- Myron Glassenberg, MDNeurology Physician1487758850
Verify Stephen Michael Grohmann 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 036078269Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average infectious disease physician in 2024
437 Medicare Part D claims for 78 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Vancomycin Hcl56 claims
- Daptomycin50 claims
- Ceftriaxone47 claims
- Cefadroxil41 claims
- Doxycycline Hyclate26 claims
- Ertapenem26 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: $124.99
1 payment: food and beverage; the largest payer was Aimmune Therapeutics, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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.
Bills Medicare through one group practice
- Infectious Disease Consultants, Ltd.Chicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Michael Grohmann among 464 infectious disease physician records in Illinois
Stephen Michael Grohmann, M.D. is one of 464 infectious disease physician records with a practice address in Illinois. 79% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1986 · median 2004 among the 311 with a school on file
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Chicago → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Oluwadamilola Adeyemi, MDChicago, IL 606251376700955
- Rodolfo Choussal-Gonzalez, MDChicago, IL 606251689945792
- Steve Kalish, M.D.Chicago, IL 606251649265448
- Sara Keiler, MDChicago, IL 606251578618286
- Keith Macdonell, M.D.Chicago, IL 606251649482670
- Nina Patel, DOChicago, IL 606251215223581
- Chris Costas, M.D.Chicago, IL 606261992732630
- Alfredo Mena Lora, M.D.Chicago, IL 606231639307283
Common questions
What is Stephen Michael Grohmann, M.D.'s NPI number?
Stephen Michael Grohmann, M.D.'s National Provider Identifier (NPI) is 1033163191, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Michael Grohmann, M.D. located?
The NPPES record lists a practice address at 2740 W Foster Ave, Chicago, IL, 60625. Phone: (773) 907-3400. Providers update this record themselves, so call before visiting.
How can I verify Stephen Michael Grohmann, M.D.'s license?
NPPES lists Illinois license number 036078269, 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 Stephen Michael Grohmann, M.D. prescribe under Medicare Part D?
In 2024, Stephen Michael Grohmann, M.D. had 437 Medicare Part D claims for 78 beneficiaries; the average among infectious disease physician prescribers was 689. 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.