Stephen T. Penepacker

MD | Psychiatry | 22+ years Exp


  2178 Johnson Ave, San Luis Obispo
     California, 93401-4535
  805-781-4700    805-781-1232 Maps & Directions
Stephen T. Penepacker is a San Luis Obispo, California based psychiatrist with 22 years of experience in Psychiatry. He completed his graduation from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 2003. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Stephen T. Penepacker is C180768 for Psychiatry in California. His current practice location is 2178 Johnson Ave, San Luis Obispo. Patients can reach him at 805-781-4700 or can fax him at 805-781-1232. Stephen T. Penepacker is MD in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1336165125.
Stephen T. Penepacker specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Complete Profile:
Stephen T. Penepacker speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.
Name: Stephen T. Penepacker
Specialization: Psychiatry
Gender:Male
Credentials: MD
Experience: 22+ years
Medical School Attended:University Of Illinois College Of Med (chi/peor/rock/chm-urb)
Graduation Year:2003
Accepts Medicare Assignment:Yes
Practice Address:2178 Johnson Ave, San Luis Obispo,
California, 93401-4535
Phone:805-781-4700
Fax:805-781-1232
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.
PAC ID: 5698719821
Enrollment ID: I20070219000335
NPI Number: 1336165125
NPI Enumeration Date: 14 Jul, 2006
NPI Last Update On: 11 Jul, 2025

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Stephen T. Penepacker are as mentioned below.
License NumberSpecializationStateStatus
C180768Psychiatry CaliforniaPrimary
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name with which Stephen T. Penepacker is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
County Of Dupage Department Of Health (4981695103)16
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: Stephen T. Penepacker
2178 Johnson Ave,
San Luis Obispo, California
Zip: 93401-4535
Phone Number: 805-781-4700
Fax Number: 805-781-1232
Patients can reach Stephen T. Penepacker at 2178 Johnson Ave, San Luis Obispo, California or can call to book an appointment on 805-781-4700.
Comments/ Reviews:

*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 July, 2025.