Theodore Ahn

Mental Health Counselor


  205 Pasadena Ave, South Pasadena
     California, 91030-2919
  323-344-5538    Maps & Directions
Theodore Ahn is a South Pasadena, California based counselor who is specialized as Mental Health Counselor. Active license number of Theodore Ahn is 122045 for Social Worker in California. His current practice location is 205 Pasadena Ave, South Pasadena. Patients can book an appointment with him at 323-344-5538.
Theodore Ahn is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.
Complete Profile:
Theodore Ahn speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: Theodore Ahn
Specialization: Mental Health Counselor
Gender:Male
Accepts Medicare Assignment:No
Practice Address:205 Pasadena Ave, South Pasadena,
California, 91030-2919
Phone:323-344-5538
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
NPI Number: 1851687701
NPI Enumeration Date: 20 Jun, 2011
NPI Last Update On: 17 Jun, 2024

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Theodore Ahn are as mentioned below.
License NumberSpecializationStateStatus
122045Social Worker CaliforniaPrimary
Mental Health Counselor Secondary
Other Medical Identifiers:
Other legacy medical identifiers associated with Theodore Ahn such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
7708OtherCaliforniaMEDICAL
7368OtherCaliforniaMEDICAL
7667OtherCaliforniaMEDICAL
7184OtherCaliforniaMEDICAL
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 2130 E 4th St,
Santa Ana, California
Zip: 92705-3818
Patients can reach Theodore Ahn at 205 Pasadena Ave, South Pasadena, California or can call to book an appointment on 323-344-5538.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 February, 2026.