Individual provider · Type 1 NPI

Alexander Mark McClanahan, MD, MHA

Psychiatry Physician · New Haven, CT

NPI number 1215504675 Active

Practice location

34 Park St
New Haven, CT 06519-1109

Call (203) 974-7072 Map

Mailing address

169 Ashley Avenue, Room 202 Main Hospital, MSC333
Charleston, SC 29425

Other practice locations

  • 121 E Cedar St, Florence, SC 29506-2576 · (843) 629-6800

Specialties and licenses

TaxonomyCodeLicense
Psychiatry Physician 2084P0800X86236 (SC)
Psychiatry Physician Primary 2084P0800X80646 (CT)

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 1215504675

Alexander Mark McClanahan, MD, MHA's National Provider Identifier is 1215504675, issued on Jun 4, 2021. The primary taxonomy on file is Psychiatry Physician (2084P0800X), and the practice location is in New Haven, CT. The record was last updated on Aug 6, 2025.