Psychiatrist

Dr. Samuel John Fesenmeier, DO

1000 Fivepoint, Irvine, California, 92618-2377

About Dr. Samuel John Fesenmeier

Dr. Samuel John Fesenmeier is a psychiatrist based in Irvine, California who is specialized in Psychiatry. Active license number of Dr. Samuel John Fesenmeier is 20A24295 for Psychiatry in California. His current practice location is 1000 Fivepoint, Irvine. Patients can contact him at 800-826-4673. Dr. Samuel John Fesenmeier, DO, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1952860587.

Dr. Samuel John Fesenmeier 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.

Practice Information

Dr. Samuel John Fesenmeier's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Samuel John Fesenmeier
Specialization Psychiatry
Credentials DO
Gender Male
Practice Address: 1000 Fivepoint,
Irvine, CA - 92618-2377

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1952860587
NPI Enumeration Date: 13 Mar, 2019
NPI Last Update On: 08 Jul, 2026

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Samuel John Fesenmeier are as mentioned below.

License NumberSpecializationStateStatus
20A24295Psychiatry CaliforniaPrimary
DOS-2139Psychiatry HawaiiSecondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Samuel John Fesenmeier
Po Box 512185,
Los Angeles, CA - 90051-0185

Book an Appointment with Dr. Samuel John Fesenmeier

To schedule an appointment, contact Dr. Samuel John Fesenmeier at 1000 Fivepoint, Irvine, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Samuel John Fesenmeier:

Dr. Samuel John Fesenmeier is a psychiatrist specializing in Psychiatry. He 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.

Yes, Dr. Samuel John Fesenmeier is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Samuel John Fesenmeier practices at 1000 Fivepoint, Irvine, California, 92618-2377.

To schedule an appointment with Dr. Samuel John Fesenmeier, please contact the office at 800-826-4673.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.