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- 21205 Owens Rd Ste 3, Mokena, IL 60448
About Dr. Antonini
Based in Mokena, IL, Steven J. Antonini, MD is listed in the NPI registry under pediatric medicine. Steven graduated from Loyola University of Chicago, Stritch School of Medicine in 1986. Steven is also listed as specializing in pediatrics and internal medicine. According to Medicare claims data, Steven cared for 325 Medicare patients across 485 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, insertion of needle into vein for collection of blood sample, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1114004652 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
- (815) 469-2123
- Email not available
Practice Locations
21205 OWENS RD STE 3
Mokena, IL 60448
Conditions Commonly Evaluated or Treated
Within Pediatrics 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
Digestive and urinary
- Bedwetting
- UTI
- Viral gastroenteritis
Ear, nose, throat, and eye
- Pink eye
- Seasonal allergies
- Sinus infection
- Swimmer's ear
Growth, development, and behavior
- Speech and language delay
Newborn and infant
- Diaper rash
- Poor weight gain and failure to thrive
Respiratory and infectious
- Croup
- Hand, foot, and mouth disease
- Mononucleosis
- Strep throat
Skin
Brain & nerves
- Childhood epilepsy
Digestive health
- Baby acid reflux
Digestive Health
- Constipation in Children
Infant Health
- Baby Colic
- Teething
Infections
- Flu in children
Injuries
- Concussion in Children
Mental Health
- Childhood anxiety
- Childhood Depression
Respiratory
- Walking Pneumonia in Children
Skin Conditions
- Poison Ivy
- Ringworm
- Seborrheic dermatitis
Procedures & services
Most searched procedures
- Allergy testing
- Pediatric vaccinations
- Sports physical
- Well-child visit
Immunization and screening
- Depression screening
- Newborn metabolic screening
Office testing
- Rapid strep testing
- Spirometry
- Urinalysis
Checkups & Exams
- Camp Physical
- Daycare Physical
Developmental & Behavioral
- Childhood Development Screening
Diagnostic Tests
- Anemia Blood Test
- Childhood Vision Screening
- Heart Murmur Evaluation
- Lead Poisoning Screening
- Newborn Bilirubin Check
- Pediatric Blood Draw
Diagnostic tests
- Pediatric hearing test
Infant Health
- Head Shape Check
- Lactation and Breastfeeding Support
- Tongue-Tie Assessment
Lab tests & screenings
- Rapid COVID-19 test
- Rapid flu test
Minor procedures
- Medical ear piercing
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Minor laceration repair
- Superficial foreign-body removal
Preventive care
- Fluoride Varnish Application
Procedures & Minor Surgery
- Circumcision Care and Consultation
- Putting Elbow Back in Place
- Tick Removal
Respiratory
- Breathing Treatment
Urgent care & minor procedures
- Splinting for broken bones and sprains
- Stopping Severe Nosebleeds
Procedures Most Often Billed to Medicare
485 services · 325 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
100 | As often as other peers in Pediatric Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
17 | Less often than most peers in Pediatric Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
149 | More often than most peers in Pediatric Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
81 | As often as other peers in Pediatric Medicine |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
55 | As often as other peers in Pediatric Medicine |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
27 | As often as other peers in Pediatric Medicine |
| Hemoglobin a1c level | Lab test | 83036 |
20 | Less often than most peers in Pediatric Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
18 | Less often than most peers in Pediatric Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
18 | Less often than most peers in Pediatric 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.
Other pediatric medicines at this location 1
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.
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1986 at Loyola University of Chicago, Stritch School 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 7
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Antonini's specialty?
Dr. Antonini is a pediatric medicine in Mokena, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Antonini?
Dr. Antonini is listed at 21205 Owens Rd Ste 3, Mokena, IL 60448. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Antonini?
The number on file is (815) 469-2123. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Antonini's NPI number?
Dr. Antonini's National Provider Identifier is 1114004652. 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 Dr. Antonini's medical education?
Dr. Antonini attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Antonini been practicing?
Dr. Antonini has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Antonini known for?
According to Medicare billing data, Dr. Antonini performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as 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
Has Dr. Antonini confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Antonini. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.