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Edit this profileAt a glance
- 1300 N Arlington Heights Rd Ste 130, Itasca, IL 60143
About Dr. Gillis
Based in Itasca, IL, Mark C. Gillis, MD is listed in the NPI registry under family medicine. Medicare claims data shows Mark provided 4,113 services to 3,252 patients. The services billed most often include insertion of needle into vein for collection of blood sample, blood test, comprehensive group of blood chemicals, and blood test, lipids (cholesterol and triglycerides). NPI 1992806509 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (847) 871-4540
- Email not available
Practice Locations
1300 N ARLINGTON HEIGHTS RD STE 130
Itasca, IL 60143
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
- Erectile dysfunction
- Heavy periods
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
- Cognitive Assessment
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
4,113 services · 3,252 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
667 | More than most peers in Family Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
42 | More often than most peers in Family Medicine |
| Influenza vaccine, inactivated | Treatment | 90653 |
31 | As often as other peers in Family Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
30 | More often than most peers in Family Medicine |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
443 | More often than most peers in Family Medicine |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
410 | More 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 |
358 | More often than most peers in Family Medicine |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
353 | More often than most peers in Family Medicine |
| Hemoglobin a1c level | Lab test | 83036 |
348 | 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 |
268 | More often than most peers in Family Medicine |
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.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
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 does Dr. Gillis specialize in?
Dr. Gillis is a family doctor in Itasca, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Dr. Gillis located?
Dr. Gillis is listed at 1300 N Arlington Heights Rd Ste 130, Itasca, IL 60143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gillis's phone number?
The number on file is (847) 871-4540. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Gillis?
Dr. Gillis's National Provider Identifier is 1992806509. 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
How much experience does Dr. Gillis have?
Dr. Gillis has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Gillis do most often?
According to Medicare billing data, Dr. Gillis performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gillis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gillis. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.