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- 841 San Bruno Ave W Ste 100, San Bruno, CA 94066
About Dr. Horning
John A. Horning, MD is a healthcare provider in San Bruno, CA specializing in emergency medicine. John trained at Northwestern University Feinberg Medical School, graduating in 1993. Medicare claims data shows John provided 3,419 services to 2,961 patients. The services billed most often include admn sarscov2 vacc 1 dose, sarscv2 vac 30mcg trs-suc im, and severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, recombinant spike protein nanoparticle, saponin-based adjuvant, preservative free, 5 mcg/0.5ml dosage, for intramuscular use. This provider record is associated with NPI 1033148523.
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
- (415) 300-4436
- Email not available
Practice Locations
841 SAN BRUNO AVE W STE 100
San Bruno, CA 94066
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
Bites & Stings
- Spider or insect sting reaction
- Snake Bite or Venomous Sting
Brain & Nerves
- Delirium
- Stroke
- Fainting and syncope
- Seizure in Child
- Severe headache or sudden migraine
- Status epilepticus
- Transient ischemic attack
Endocrine & Metabolic
- Dangerously low blood sugar
- Dangerous high blood sugar
Eye Care
- Open-globe eye injury
Injuries & Trauma
- Animal or dog bite
- Bone fractures
- Deep cut or wound
- Dislocated joint
- Severe burn
- Sprains and muscle strains
- Traumatic brain injury
Rashes & allergy
Skin & Infections
- Skin abscess or boil
Urinary & Bladder
- Inability to pee
Women's Health
- Heavy vaginal bleeding
- Ectopic pregnancy
Abdomen & Digestion
- Appendicitis
- Lower gastrointestinal bleeding
- Vomiting or throwing up blood
Allergy & Immune
- Angioedema
Allergy & Immunology
- Severe Allergic Reaction
Blood & Circulation
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
- Nosebleeds
Environmental
- Heat stroke
- Hypothermia and frostbite
Eye Emergency
General Emergency
- Severe dehydration
- Uncontrolled bleeding
Heart & Chest
- Acute coronary syndrome
- Heart palpitations
Heart & Circulation
- Dangerous high blood pressure
Heart & Lungs
Infections & Illness
- High fever
- Sepsis or blood infection
Lungs & Breathing
Men's Health
- Testicular torsion
Poisoning & Environmental
- Smoke Inhalation
Poisoning & Toxins
- Drug overdose or poisoning
Spine & Back
- Severe back pain
Urinary & Kidney
Procedures & services
Abdominal Procedures
- Paracentesis
Breathing & Airway
- Emergency intubation
- Breathing Treatment
Critical Care
- Central line placement
- Chest tube insertion
- CPR and defibrillation
- Blood transfusion
Diagnostic testing
Diagnostics
- Rapid blood work
- Lumbar puncture
Ear, Nose & Throat
- Nasal packing for nosebleed
Eye & ENT
Heart & Diagnostics
- Cardioversion for rapid heartbeat
- EKG
Imaging & Diagnostics
- Emergency MRI scan
- Emergency CT scan
- Emergency ultrasound
- Emergency X-ray
Injections & Vaccines
- Rabies shot series
- Tetanus shot
Kidney Care
- Emergency dialysis
Lung & Respiratory
- Draining lung fluid
- Chest Needle Decompression
Medications
- IV medication for severe nausea
- IV medication for severe pain
- Emergency epinephrine injection
Mental Health
- Emergency psychiatric evaluation
Minor Procedures
- Nasal cautery for nosebleeds
- Tick Removal
- Urinary catheter insertion
- Fishhook or embedded splinter removal
- Incision and drainage of an abscess
Minor Trauma
- Stuck ring removal
Orthopedics
- Popping a dislocated joint back in place
- Splinting and temporary casting
Poisoning & Toxicology
- Antivenom treatment
Specialized Care
- Sexual assault forensic exam
Stroke & Vascular
- Clot busting medication for stroke
Toxicology
- Narcan overdose reversal
- Stomach pumping or activated charcoal
Women's Health
- Emergency pelvic exam
Wound Care
- Burn dressing and care
- Skin glue for cuts
- Stitches and Laceration Repair
- Wound cleaning and debridement
- Wound stapling
Airway & Breathing
- Emergency surgical airway
Anesthesia & Sedation
- Moderate dental sedation
Digestive Care
- Urgent upper endoscopy
Eye Care
- Emergency Eye Flushing
Heart Care
- Temporary Pacemaker Placement
Orthopedic Procedures
Supportive Care
- IV fluids
Procedures Most Often Billed to Medicare
3,419 services · 2,961 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
1,582 | More than most peers in Emergency Medicine |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
1,288 | Too few peers to compare |
| Severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, recombinant spike protein nanoparticle, saponin-based adjuvant, preservative free, 5 mcg/0.5ml dosage, for intramuscular use | Treatment | 91304 |
196 | Too few peers to compare |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
81 | Too few peers to compare |
| Influenza vaccine, trivalent derived from recombinant dna | Treatment | 90673 |
68 | Too few peers to compare |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
54 | Too few peers to compare |
| Administration of influenza virus vaccine | Billing code | G0008 |
150 | More 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.
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 emergency physicians in San Bruno 2
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1993 at Northwestern University Feinberg Medical School 7
Providers who graduated from the same medical school in the same year.
Also performs Admn sarscov2 vacc 1 dose 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Horning's specialty?
Dr. Horning is an emergency physician in San Bruno, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Where can I find Dr. Horning?
Dr. Horning is listed at 841 San Bruno Ave W Ste 100, San Bruno, CA 94066. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Horning?
The number on file is (415) 300-4436. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Horning?
Dr. Horning's National Provider Identifier is 1033148523. 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. Horning's medical education?
Dr. Horning attended Northwestern University Feinberg Medical School, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Horning have?
Dr. Horning has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Horning known for?
According to Medicare billing data, Dr. Horning provides treatments such as admn sarscov2 vacc 1 dose and sarscv2 vac 30mcg trs-suc im. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Horning's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Horning. If this is you, claiming it is free.
Guide.md
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