Individual provider · Type 1 NPI

Mark Robert Allen, MD

Psychiatry Physician · Chico, CA

NPI number 1114155256 Active

Practice location

1531 Esplanade
Chico, CA 95926-3310

Specialties and licenses

Taxonomy	Code	License
Psychiatry Physician Primary	2084P0800X	C191850 (CA)

Psychiatry Physician: A Psychiatrist 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 la…

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About NPI 1114155256

Mark Robert Allen, MD's National Provider Identifier is 1114155256, issued on Jun 28, 2009. The primary taxonomy on file is Psychiatry Physician (2084P0800X), and the practice location is in Chico, CA. The record was last updated on Dec 19, 2025.