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

Mark B. Fabi, MD, PC

Organization Psychologist · NPI 1689927774

Mark B. Fabi, MD, PC is a Psychologist in Philadelphia, Pennsylvania. Registered with an NPI since 2012.

In the registry since
2012
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

834 Chestnut St 427
Philadelphia, PA 19107-5127
Phone: (856) 261-4053
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1689927774
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Helene Friedman — Assisstant · (856) 261-4053
NPI enumeratedOctober 26, 2012
Last updated in NPPESJune 20, 2018
Mailing address834 Chestnut St, 427, Philadelphia, PA 19107-5127

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