0 reviews
Summary
Dr. Ann Callahan is a surgeon who specializes in surgical oncology, focusing on complex cancer operations and treatment. She earned her medical degree from the University of Virginia School of Medicine and completed her residency at UCLA Medical Center. With 18 years of experience in the field, Dr. Callahan has developed extensive expertise in cancer surgery and patient care.
Dr. Callahan practices at several leading medical facilities throughout California, including Harbor UCLA Medical Center, Kaiser Permanente Downey Medical Center, and Torrance Memorial Medical Center in Downey and Torrance. She treats patients with breast cancer, including complex cases involving metastatic or recurrent disease and Paget disease of the breast. Her surgical expertise includes performing comprehensive diagnostic testing and specialized pathology procedures to ensure accurate cancer diagnosis and treatment planning.
Dr. Callahan practices at several leading medical facilities throughout California, including Harbor UCLA Medical Center, Kaiser Permanente Downey Medical Center, and Torrance Memorial Medical Center in Downey and Torrance. She treats patients with breast cancer, including complex cases involving metastatic or recurrent disease and Paget disease of the breast. Her surgical expertise includes performing comprehensive diagnostic testing and specialized pathology procedures to ensure accurate cancer diagnosis and treatment planning.
Overview based on verified provider data
Quick Facts
- 18 years of experience
- Ucla Medical Center
- 2 specialties
- 2 areas of expertise
- 2 board certifications
- 5 hospital affiliations
- 9 office locations
- Female
Office Locations
Dr. Ann Falor Callahan has 9 locationsProvidence Little Company Of Mary Medical Center Torrance
4101 Torrance BlvdTorrance, CA 90503 Tel: (310) 540-7676
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Ann Falor Callahan, MD | Dr. Simon Gonzalez Esteva | Dr. Joseph Robert Martin | Dr. Marshall John Miner |
| Surgery | Surgery | Thoracic Surgery | Surgery |
| Accepts New Patients | |||
| 18 Years of Experience | 3 Years of Experience | 7 Years of Experience | 3 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Downey , CA | Los Angeles , CA | Los Angeles , CA | ORANGE , CA |
| Med School: University Of Virginia School Of Medicine | Med School: Texas A&M University System Health Science Center College Of Medicine | Med School: Mcgovern Medical School At The Univ Of Texas Health Science Ctr At Houston | Med School: University Of California Irvine College Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Ann Falor Callahan
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Ann Falor Callahan has the following 2 specialties
Specialty Expertise
Dr. Ann Falor Callahan has the following 2 areas of expertise
Certifications, License, & Education
18 Years Experience
Dr. Ann Falor Callahan 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 Ucla Medical Center.
Medical School
Graduated from University Of Virginia School Of Medicine in 2008.
NPI Number
Dr. Callahan's NPI number is 1093962847.
Similar doctors
Frequently Asked Questions
- How can I make an appointment with Dr. Ann Callahan?
- You can find contact information for Dr. Ann Callahan here on Vitals.
- Is Dr. Ann Callahan accepting new patients?
- Dr. Ann Callahan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Ann Callahan's office located?
- Dr. Ann Callahan's office is located at 9333 Imperial Hwy, Downey, CA, 90242.
- Does Dr. Ann Callahan accept my insurance?
- You can see the insurance plans that Dr. Ann Callahan accepts on their Vitals profile.
- Does Dr. Ann Callahan accept virtual/telehealth appointments?
- Dr. Ann Callahan 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.


