Physician Profile
Michael J. Fremgen, M.D. is a healthcare provider in Geneva, IL specializing in family medicine. Michael trained at Chicago College of Medicine and Surgery, graduating in 1982. According to Medicare claims data, Michael cared for 1,383 Medicare patients across 1,736 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2425 FARGO BLVD
Geneva, IL 60134
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
1,736 services · 1,383 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
32 | More often than most peers in Family Medicine |
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
18 | Less often than most peers in Family Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
87 | More often than most peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
71 | More often than most peers in Family Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
15 | As often as other peers in Family Medicine |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
12 | Less often than most peers in Family Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
12 | Less often than most peers in Family Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
489 | More often than most peers in Family Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
305 | More than most peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
292 | More than most peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Michael J. Fremgen is a family doctor in Geneva, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Michael J. Fremgen is listed at 2425 Fargo Blvd, Geneva, IL 60134. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (630) 232-2200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Michael J. Fremgen's National Provider Identifier is 1770583072. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Michael J. Fremgen attended Chicago College of Medicine and Surgery, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
Michael J. Fremgen has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Michael J. Fremgen performs procedures including destruction of precancer skin growth, 1 growth and destruction of precancer skin growth, 2-14 growths; provides treatments such as injection of drug or substance under skin or into muscle and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Michael J. Fremgen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.