0 reviews
Summary
Dr. Hahn graduated from the University of Illinois At Chicago College of Medicine in 1996. He works in Lancaster, CA and 1 other location and specializes in Psychiatry. Dr. Hahn is affiliated with Orlando Va Medical Center At Lake Nona.
Quick Facts
- accepting new patients
- 30 years of experience
- University Of Illinois At Chicago College Of Medicine
- 1 specialty
- 14 areas of expertise
- 1 board certification
- 1 hospital affiliation
- 2 office locations
- Male
Office Locations
Dr. Hyundong Steven Hahn has 2 locationsKaiser Permanente Behavioral Health Office
44444 20th St WLancaster, CA 93534 Tel: (661) 951-0070
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed
Kaiser Permanente Waipio Medical Office
94-1480 Moaniani StWaipahu, HI 96797 Tel: (808) 432-2000
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. Hyundong Steven Hahn, MD | Stacy Lyons, PMHNP, LPC | Gary Miller, PMHNP-BC, NP | Dr. Andres Barrera, MD |
| Psychiatry | Psychiatry | Psychiatry | Psychiatry |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 30 Years of Experience | 35 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish, Arabic | Speaks English | Speaks Spanish, English | |
| Lancaster , CA | Beverly Hills , CA | Irvine , CA | WEST COVINA , CA |
| Med School: University Of Illinois At Chicago College Of Medicine | Med School: University Missouri St. Louis | Med School: Universidad Javeriana | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Hyundong Steven Hahn
Medical Specialties
Dr. Hyundong Steven Hahn has the following specialty
Specialty Expertise
Dr. Hyundong Steven Hahn has the following 14 areas of expertise
Certifications, License, & Education
30 Years Experience
Dr. Hyundong Steven Hahn holds active and expired medical licenses in the states of California and Hawaii.
Medical License
Medical Doctor with an active medical license in the state of California that expired in 2026 and an expired medical license in the state of Hawaii that expired in 2026.
Education & Training
Medical School
Graduated from University Of Illinois At Chicago College Of Medicine in 1996.
NPI Number
Dr. Hahn's NPI number is 1578513230.
Similar doctors
Frequently Asked Questions
- Is Dr. Hyundong Hahn accepting new patients?
- Dr. Hyundong Hahn is accepting new patients on Vitals. View Dr. Hyundong Hahn's profile on Vitals to make an appointment.
- Does Dr. Hyundong Hahn accept my insurance?
- You can see the insurance plans that Dr. Hyundong Hahn accepts on their Vitals profile.
- Where is Dr. Hyundong Hahn's office located?
- Dr. Hyundong Hahn's office is located at 44444 20th St W, Lancaster, CA, 93534.
- How can I make an appointment with Dr. Hyundong Hahn?
- You can find contact information for Dr. Hyundong Hahn here on Vitals.
- Does Dr. Hyundong Hahn accept virtual/telehealth appointments?
- Dr. Hyundong Hahn 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.





