0 reviews
Summary
Dr. Donald Chalfin specializes in internal medicine and critical care medicine, bringing 41 years of experience to his practice. He earned his medical degree from the Icahn School of Medicine at Mount Sinai and completed his residency at LI Jewish Medical Center. His extensive background in both internal medicine and critical care allows him to provide comprehensive care for patients with complex medical conditions requiring specialized attention.
Dr. Chalfin practices at UCI Health Fountain Valley in Fountain Valley, California. He treats patients with serious conditions including acute kidney injury and various forms of atrial fibrillation. His procedural expertise includes COVID-19 testing and therapeutic hypothermia treatments. He also coordinates pathology testing to help diagnose and monitor patient conditions effectively.
Dr. Chalfin practices at UCI Health Fountain Valley in Fountain Valley, California. He treats patients with serious conditions including acute kidney injury and various forms of atrial fibrillation. His procedural expertise includes COVID-19 testing and therapeutic hypothermia treatments. He also coordinates pathology testing to help diagnose and monitor patient conditions effectively.
Overview based on verified provider data
Quick Facts
- 41 years of experience
- Li Jewish Medical Center
- 2 specialties
- 2 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 1 office location
- Male
Office Location
Fountain Valley Regional Hospital And Medical Center
17100 Euclid StFountain Valley, CA 92708 Tel: (714) 966-7200
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Donald Bertram Chalfin, MD | Dr. Nima Ghadimi, MD | Dr. Adama Diarra, DO | Eric Harker |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 41 Years of Experience | 29 Years of Experience | 14 Years of Experience | 25 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English, French, Bambara | Speaks English | |
| Fountain Valley , CA | Scottsdale , AZ | TIGARD , OR | Lyons , CO |
| Med School: Icahn School Of Medicine At Mount Sinai | Med School: Univ Iberoamericana Unibe Santo Domingo | Med School: Arizona College of Osteopathic Medicine | Med School: Duke University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Donald Bertram Chalfin
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Donald Bertram Chalfin has the following 2 specialties
Specialty Expertise
Dr. Donald Bertram Chalfin has the following 2 areas of expertise
Certifications, License, & Education
41 Years Experience
Dr. Donald Bertram Chalfin 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 Li Jewish Medical Center.
Medical School
Graduated from Icahn School Of Medicine At Mount Sinai in 1985.
NPI Number
Dr. Chalfin's NPI number is 1366479545.
Similar doctors
Frequently Asked Questions
- Which hospitals is Dr. Donald Bertram Chalfin affiliated with?
- Dr. Donald Bertram Chalfin is affiliated with Uci Health Fountain Valley.
- Does Dr. Donald Bertram Chalfin accept my insurance?
- You can see the insurance plans that Dr. Donald Bertram Chalfin accepts on their Vitals profile.
- Where is Dr. Donald Bertram Chalfin's office located?
- Dr. Donald Bertram Chalfin's office is located at 17100 Euclid St, Fountain Valley, CA, 92708.
- Is Dr. Donald Bertram Chalfin accepting new patients?
- Dr. Donald Bertram Chalfin has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Donald Bertram Chalfin?
- You can find contact information for Dr. Donald Bertram Chalfin here on Vitals.
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.




