Dr. Gregory S. Larsen
- Gender: Male
- Experience: 14 years
- Sole propriator: No
- NPI: 1104073709
Dr. Gregory S. Larsen D.O.
Emergency Physician
He is located at 400 North Pepper Avenue in Colton, CA 92324. Can help patients with the following: Acute Pain, Angina, Febrile Seizure, Hematoma, Influenza, Laceration. His National Provider Identifier (NPI) number is 1104073709. Appointment can be made via the phone number (909) 580-1000.
Conditions treated
Dr. Gregory S. Larsen, being an emergency physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Gregory S. Larsen.
- Acute Pain
- Altitude Sickness
- Angina
- Brain Aneurysm
- Brain Hemorrhage
- Broken Bone
- Bruises
- Choking
- Common Cold
- Coronavirus
- Costochondritis
- Febrile Seizure
- Fever
- Frostbite
- General Care
- Headache
- Hematoma
- Influenza
- Insect Stings
- Laceration
- Migraine
- Nausea and Vomiting
- Phlebitis and Thrombophlebitis
- Prescription Refill
- Whiplash
Procedures Performed by Dr. Gregory S. Larsen
Medicare Enrollment
Dr. Gregory S. Larsen is enrolled to bill Medicare as a Practitioner - Emergency Medicine .
Bills through: Cep America - California
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
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Questions & Answers
Where can you meet with Dr. Gregory S. Larsen?
Dr. Gregory S. Larsen's office is located at 400 North Pepper Avenue in Colton, CA 92324.
What conditions does Dr. Gregory S. Larsen treat?
Dr. Gregory S. Larsen provides treatment for Acute Pain, Angina, Febrile Seizure, Hematoma, Influenza, Laceration. For the full list see this list.