Provider Profile
Ernesto Hernandez
Unclaimed ProfileAbout Ernesto Hernandez
Based in Oak Lawn, IL, Ernesto Hernandez is listed in the NPI registry under emergency medicine. Ernesto graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2021. Medicare claims data shows Ernesto provided 423 services to 419 patients. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and critical care, first 30-74 minutes.
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.
Education & Training
Specialty
Credentials & Licensing
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.
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
- (708) 684-5375
- Email not available
Practice Locations
4440 W 95TH ST
Oak Lawn, IL 60453
Conditions Commonly Evaluated or Treated
Within Emergency 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
Abdomen & Digestion
- Appendicitis
- Lower gastrointestinal bleeding
- Vomiting or throwing up blood
Allergy & Immune
Allergy & Immunology
Bites & Stings
Blood & Circulation
- Deep vein thrombosis
Brain & Nerves
- Delirium
- Fainting and syncope
- Seizure in Child
- Severe headache or sudden migraine
- Status epilepticus
- Stroke
- Transient ischemic attack
Breathing
- Choking or swallowed object
- Coughing up blood
- Severe asthma attack
- Shortness of breath
Digestion & Stomach
- Abdominal Pain
- Acute gallbladder inflammation
- Bowel obstruction
Ear, Nose & Throat
Endocrine & Metabolic
Environmental
Eye Care
Eye Emergency
- Corneal abrasion
General Emergency
- Severe dehydration
- Uncontrolled bleeding
Heart & Chest
Heart & Circulation
Heart & Lungs
- Blood Clot in Lung
Infections & Illness
- High fever
- Sepsis or blood infection
Injuries & Trauma
- Animal or dog bite
- Bone fractures
- Deep cut or wound
- Dislocated joint
- Severe burn
- Sprains and muscle strains
- Traumatic brain injury
Lungs & Breathing
Men's Health
Poisoning & Environmental
Poisoning & Toxins
Skin & Infections
Spine & Back
- Severe back pain
Urinary & Bladder
Urinary & Kidney
- Kidney stones
Women's Health
Procedures & services
Abdominal Procedures
- Paracentesis
Airway & Breathing
Anesthesia & Sedation
- Moderate dental sedation
Breathing & Airway
- Breathing Treatment
- Emergency intubation
Critical Care
Diagnostics
- Lumbar puncture
- Rapid blood work
Digestive Care
Ear, Nose & Throat
Eye & ENT
- Eye-pressure measurement
- Foreign Object Removal from Eye
- Superficial foreign-body removal
Eye Care
Heart & Diagnostics
Heart Care
Imaging & Diagnostics
- Emergency CT scan
- Emergency MRI scan
- Emergency ultrasound
- Emergency X-ray
Injections & Vaccines
- Rabies shot series
- Tetanus shot
Kidney Care
Lung & Respiratory
- Chest Needle Decompression
- Draining lung fluid
Medications
Mental Health
Minor Procedures
- Fishhook or embedded splinter removal
- Incision and drainage of an abscess
- Nasal cautery for nosebleeds
- Tick Removal
- Urinary catheter insertion
Minor Trauma
Orthopedic Procedures
- Joint injection or aspiration
Orthopedics
- Popping a dislocated joint back in place
- Splinting and temporary casting
Poisoning & Toxicology
Specialized Care
Stroke & Vascular
Supportive Care
Toxicology
Women's Health
Wound Care
- Burn dressing and care
- Skin glue for cuts
- Stitches and Laceration Repair
- Wound cleaning and debridement
- Wound stapling
Procedures Most Often Billed to Medicare
423 services · 419 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Electrocardiogram (ecg) 1 to 3 leads with review by physician only | Treatment | 93042 |
28 | As often as other peers in Emergency Medicine |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
242 | More often than most peers in Emergency Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
104 | More often than most peers in Emergency Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
49 | More often than most peers in Emergency 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 emergency physicians at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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.
More connections — 28 related providers in 4 groups
Other emergency physicians in Oak Lawn 4
Same specialty, same city.
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Also performs Electrocardiogram (ecg) 1 to 3 leads with review by physician only 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Ernesto Hernandez?
Ernesto Hernandez is an emergency physician in Oak Lawn, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
What is Ernesto Hernandez's address?
Ernesto Hernandez is listed at 4440 W 95Th St, Oak Lawn, IL 60453. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Ernesto Hernandez?
The number on file is (708) 684-5375. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Ernesto Hernandez?
Ernesto Hernandez's National Provider Identifier is 1881271625. 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
Where did Ernesto Hernandez train?
Ernesto Hernandez attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ernesto Hernandez have?
Ernesto Hernandez has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Ernesto Hernandez perform?
According to Medicare billing data, Ernesto Hernandez provides treatments such as electrocardiogram 1 to 3 leads with review by physician only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ernesto Hernandez's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ernesto Hernandez. 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.