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DR. STEPHEN MICHAEL GROHMANN M.D.
NPI 1033163191
Internal Medicine - Infectious Disease in Chicago, IL

Active since May 20, 2006PECOS EnrolledAccepts Medicare Assignment
2740 W FOSTER AVE, SUITE 214, CHICAGO, IL 60625(773) 907-3400(773) 506-2668 Get Directions Write a Review

NPPES record last updated: April 14, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Stephen Michael Grohmann M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN MICHAEL GROHMANN M.D. (NPI 1033163191) is an individual infectious disease provider in Chicago, Illinois and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of University Of Louisville School Of Medicine (1986).

NPPES Registry Identity

NPI1033163191
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. STEPHEN MICHAEL GROHMANNCredential: M.D.
Location Address2740 W FOSTER AVE, SUITE 214Chicago, IL 60625-3500
Mailing Address2740 W Foster Ave, Suite 214Chicago, IL 60625-3500 · (773) 907-3400 · Fax (773) 506-2668
Phone(773) 907-3400
Fax(773) 506-2668
Sole ProprietorNo
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 1986
Enumeration DateMay 20, 2006
Last NPPES UpdateApril 14, 2008
✔ NPI 1033163191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
2740 W FOSTER AVE, Chicago, IL 60625
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type Unspecified741940IL
Medicare UPINF22848IL
Other1617297IL · Blue Cross/blue Shield

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen Michael Grohmann M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244304764
PECOS Enrollment IDI20101109000845
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
512 services156 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
130 services119 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
59 services20 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
40 services29 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
36 services34 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
23 services18 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60625 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SOLOMON SIDEA
Internal Medicine
2740 W FOSTER AVE
CHICAGO, IL 60625
Cook County (773) 989-4111
DR. HOWARD CLARK FEDERER III M.D.
Surgery
2740 W FOSTER AVE, SUITE 213
CHICAGO, IL 60625
Cook County (773) 293-4001
SWEDISH COVENANT PHYSICIAN PARTNERS, LTD.
Health Maintenance Organization
2740 W FOSTER AVE, SUITE 411
CHICAGO, IL 60625
Cook County (773) 271-0880
NEIGHBORHOOD FAMILY HEALTHCARE SC
Family Medicine
2740 W FOSTER AVE, SUITE 410
CHICAGO, IL 60625
Cook County (773) 907-0978
DELIS FAMILY MEDICAL, S.C.
Family Medicine
2740 W FOSTER AVE, STE. 316
CHICAGO, IL 60625
Cook County (773) 561-8481
FEDERER SURGICAL SERVICES LTD
Surgery
2740 W FOSTER AVE, SUITE 213
CHICAGO, IL 60625
Cook County (773) 293-4001
ASHWIN M SHAH, MD, SC
Surgery
2740 W FOSTER AVE
CHICAGO, IL 60625
Cook County (773) 293-4004
WILCO FAMILY PRACTICE, LTD.
Family Medicine
2740 W FOSTER AVE, SUITE 307
CHICAGO, IL 60625
Cook County (872) 208-7709

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Grohmann's NPI number?

The NPI number for Stephen Grohmann is 1033163191. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Stephen Grohmann located?

Stephen Grohmann practices at 2740 W Foster Ave Suite 214, Chicago, IL 60625. The listed phone number is (773) 907-3400.

What is Stephen Grohmann's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Stephen Grohmann enrolled in Medicare?

Yes. Stephen Grohmann is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Stephen Grohmann accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Stephen Grohmann as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Stephen Grohmann affiliated with any hospitals?

According to CMS data, Stephen Grohmann is affiliated with Northshore University Healthsystem - Evanston Hospital, Northwestern Lake Forest Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Grohmann was last updated on April 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.