Are you Mark K. Isoniemi, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 150 E Willow Ave, Wheaton, IL 60187
About Dr. Isoniemi
Based in Wheaton, IL, Mark K. Isoniemi, M.D. is listed in the NPI registry under family practice. Mark graduated from Ohio State University College of Medicine in 1997. Mark is also listed as specializing in family medicine. Medicare claims data shows Mark provided 2,091 services to 1,738 patients. The services billed most often include insertion of needle into vein for collection of blood sample, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. NPI 1295779239 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (630) 510-6900
- Email not available
Practice Locations
150 E WILLOW AVE
Wheaton, IL 60187
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
- Acid reflux
- IBS
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
Common childhood and ear conditions
- Ear infection
- Pink eye
Pain & Joints
- Arthritis
- Back pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
- Breathing Treatment
Senior Care
Sexual & Reproductive Health
- STD Swabs and Screening
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
2,091 services · 1,738 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
275 | More often than most peers in Family Practice |
| Influenza vaccine, inactivated | Treatment | 90653 |
80 | More than most peers in Family Practice |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
25 | As often as other peers in Family Practice |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
16 | As often as other peers in Family Practice |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
201 | As often as other peers in Family Practice |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
192 | More often than most peers in Family Practice |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
164 | More often than most peers in Family Practice |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
154 | As often as other peers in Family Practice |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
134 | As often as other peers in Family Practice |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
130 | As often as other peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 6
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Wheaton 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Ohio State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Ohio State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Mark K. Isoniemi's specialty?
Mark K. Isoniemi is a family practice in Wheaton, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Mark K. Isoniemi?
Mark K. Isoniemi is listed at 150 E Willow Ave, Wheaton, IL 60187. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark K. Isoniemi?
The number on file is (630) 510-6900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark K. Isoniemi?
Mark K. Isoniemi's National Provider Identifier is 1295779239. 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
What is Mark K. Isoniemi's education?
Mark K. Isoniemi attended Ohio State University College of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark K. Isoniemi have?
Mark K. Isoniemi has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What is Mark K. Isoniemi known for?
According to Medicare billing data, Mark K. Isoniemi performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, inactivated and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark K. Isoniemi's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark K. Isoniemi. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.