MARK F GEER
NPI 1609843507
Psychologist in Wellesley, MA
About Mark F Geer NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK F GEER (NPI 1609843507) is an individual psychologist in Wellesley, Massachusetts, licensed in Massachusetts (2969) and active in the NPI registry since March 2006.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WELLESLEY, MA 02481
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Geer's NPI number?
The NPI number for Mark Geer is 1609843507. It was assigned to this individual provider in the NPPES registry on March 1, 2006.
Where is Mark Geer located?
Mark Geer practices at 11 River St Colony Care Behavioral Health, Wellesley, MA 02481. The listed phone number is (781) 431-1177.
What is Mark Geer's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
When was this NPI record last updated?
The NPPES record for Mark Geer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.