Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Peter A Fahnestock, MD

Individual provider Psychiatry Physician · NPI 1174549497

Dr. Peter A Fahnestock, MD is a Psychiatry Physician in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

915 N Grand Blvd
Saint Louis, MO 63106-1621 Not confirmed with CMS for 14 years — call before visiting
Phone: (314) 652-4100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 2005018590 (MO)

Record details

NPI number1174549497
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESAugust 8, 2012

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