0 reviews
Summary
Dr Halloran graduated from the University of Florida College of Medicine in 2020. Dr Halloran works in Castro Valley, CA and specializes in Hospice & Palliative Medicine. Dr Halloran is affiliated with Northwestern Memorial Hospital, Sidney And Lois Eskenazi Hospital, Northwestern Medicine Prentice Womens Hospital and Sutter Eden Medical Center.
Quick Facts
- accepting new patients
- 6 years of experience
- 5 insurance plans accepted
- University Of Florida College Of Medicine
- 1 specialty
- 2 areas of expertise
- 4 hospital affiliations
- 1 office location
Office Location
Castro Valley Care Center
20101 Lake Chabot Rd Fl 3Castro Valley, CA 94546 Tel: (510) 204-3410
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr Diana C. Halloran | Dr. Gabriel Miranda Heiderich, MD | Dr. Suzanne Horine Summer, MD | Dr. Rebecca Lynn Sudore, MD |
| Hospice & Palliative Medicine | Emergency Medicine | Emergency Medicine | Geriatric Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 6 Years of Experience | 11 Years of Experience | 36 Years of Experience | 27 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English | |
| Castro Valley , CA | San Leandro , CA | Richmond , CA | San Francisco , CA |
| Med School: University Of Florida College Of Medicine | Med School: Perelman School Of Medicine At University Of Pennsylvania | Med School: University Of California San Francisco School Of Medicine | Med School: University Of California San Francisco School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr Diana C. Halloran
Medical Specialties
Dr Diana C. Halloran has the following specialty
Specialty Expertise
Dr Diana C. Halloran has the following 2 areas of expertise
Certifications, License, & Education
6 Years Experience
Dr Diana C. Halloran holds an expired medical license in the state of Indiana.
Medical License
Medical Doctor with an expired medical license in the state of Indiana that expired in 2025.
Education & Training
Medical School
Graduated from University Of Florida College Of Medicine in 2020.
NPI Number
Dr Halloran's NPI number is 1548897325.
Similar Doctors
Frequently Asked Questions
- Which hospitals is Dr Diana Halloran affiliated with?
- Dr Diana Halloran is affiliated with Northwestern Memorial Hospital, Sidney And Lois Eskenazi Hospital, Northwestern Medicine Prentice Womens Hospital, and Sutter Eden Medical Center.
- How can I make an appointment with Dr Diana Halloran?
- You can find contact information for Dr Diana Halloran here on Vitals.
- Does Dr Diana Halloran accept my insurance?
- You can see the insurance plans that Dr Diana Halloran accepts on their Vitals profile.
- Is Dr Diana Halloran accepting new patients?
- Dr Diana Halloran is accepting new patients on Vitals. View Dr Diana Halloran's profile on Vitals to make an appointment.
- Where is Dr Diana Halloran's office located?
- Dr Diana Halloran's office is located at 20101 Lake Chabot Rd Fl 3, Castro Valley, CA, 94546.
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.




