0 reviews
Summary
Dr. Gastelum graduated from the University of California San Francisco School of Medicine in 2013. He works in Colton, CA and 1 other location and specializes in Emergency Medicine. Dr. Gastelum is affiliated with Arrowhead Regional Medical Center and Community Regional Medical Center.
Quick Facts
- 13 years of experience
- Ucsf Medical Center
- 1 specialty
- 2 hospital affiliations
- 2 office locations
- Male
Office Locations
Dr. Nicholas Steven Gastelum has 2 locationsCompare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Nicholas Steven Gastelum, MD | Christopher Carleo, MD | Shayna Roschelle Sleight | Kevin Quinonez-Truong |
| Emergency Medicine | Emergency Medicine | Emergency Medicine | Psychiatry |
| Accepts New Patients | |||
| 13 Years of Experience | 28 Years of Experience | 6 Years of Experience | 9 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Colton , CA | East Setauket , NY | Grants Pass , OR | Patton , CA |
| Med School: University Of California San Francisco School Of Medicine | Med School: Suny Stony Brookhealth | Med School: Oregon Health & Science University School Of Medicine | Med School: Northwestern University Feinberg School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Nicholas Steven Gastelum
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Nicholas Steven Gastelum has the following specialty
Certifications, License, & Education
13 Years Experience
Dr. Nicholas Steven Gastelum holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Education & Training
Residency
Completed their residency at Ucsf Medical Center.
Medical School
Graduated from University Of California San Francisco School Of Medicine in 2013.
NPI Number
Dr. Gastelum's NPI number is 1528402948.
Similar doctors
Frequently Asked Questions
- Where is Dr. Nicholas Gastelum's office located?
- Dr. Nicholas Gastelum's office is located at 400 N Pepper Ave, Colton, CA, 92324.
- How can I make an appointment with Dr. Nicholas Gastelum?
- You can find contact information for Dr. Nicholas Gastelum here on Vitals.
- Which hospitals is Dr. Nicholas Gastelum affiliated with?
- Dr. Nicholas Gastelum is affiliated with Arrowhead Regional Medical Center and Community Regional Medical Center.
- Is Dr. Nicholas Gastelum accepting new patients?
- Dr. Nicholas Gastelum has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Nicholas Gastelum accept virtual/telehealth appointments?
- Dr. Nicholas Gastelum has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.


