Mark F. Geer
Psychologist · Wellesley, MA
Mark F. Geer is a psychologist with a practice address in Wellesley, Massachusetts, and NPI 1609843507, issued on Mar 1, 2006. Check the license (Massachusetts 2969, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark F. Geer
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 2969 MA
Self-reported in NPPES; status is on the state search - Practice location
- 11 River St, Wellesley, MA 02481
- Phone
- (781) 431-1177
- Enumerated
- Mar 1, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (781) 431-1181
- Medicaid ID
- 0510645 MA
- Entity
- Type 1 · individual
8 nearest psychologist records → All 2,367 in Massachusetts → Look up another NPI →
Also registered at 11 River St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark F. Geer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 2969Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark F. Geer among 2,367 psychologist records in Massachusetts
Mark F. Geer is one of 2,367 psychologist records with a practice address in Massachusetts. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 71% newer
- In a Medicare fileNo · 11% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2026 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 psychologist records list a practice address in Wellesley
They are 36 of the 1,117 NPPES records with a practice address in Wellesley, and 2,367 psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,367 in Massachusetts → Every provider in Wellesley → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Debora Bolter, PH.D.Wellesley, MA 024811962591073
- Elizabeth Buckner, PH.D.Wellesley, MA 024811316036437
- Francis Caruso, ED.D.Wellesley Hills, MA 024811912084682
- Richard Dana, ED.D.Wellesley Hills, MA 024811568549327
- James Donovan, PHDWellesley, MA 024811013961051
- Betsy Glaser, PH.D.Wellesley Hills, MA 024811982798401
- Daniel Jaquette, EDDWellesley, MA 024811396712204
- Rachel Jarrat, PHDWellesley, MA 024811215989801
Common questions
What is Mark F. Geer's NPI number?
Mark F. Geer's National Provider Identifier (NPI) is 1609843507, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark F. Geer located?
The NPPES record lists a practice address at 11 River St, Wellesley, MA, 02481. Phone: (781) 431-1177. Providers update this record themselves, so call before visiting.
How can I verify Mark F. Geer's license?
NPPES lists Massachusetts license number 2969, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.