Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1609843507 Individual Practitioner Male Practitioner

Mark F Geer

Psychologist • Wellesley, MA

Professional Overview & Biography Verified Profile Summary

Mark Geer is a registered healthcare professional specializing in Psychologist in Wellesley, MA. Practice services are available at 11 RIVER ST under active NPI credentials.

Frequently performed procedures and clinical services include psychotherapy. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

11 River St
Colony Care Behavioral Health

Wellesley, MA 024812098

Telephone 7814311177
Fax 7814311181
Associated Practice Facility / Clinic
🏢 Colony Care Inc Facility NPI 1720053408

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Wellesley, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 32.0 Yrs
State Avg: 32.3 Yrs
Regional Practice Density
39 Specialists

Practicing in Wellesley, MA (2533 Statewide)

Telehealth Adoption Rate
10.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
51.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2017)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
90834 Psychotherapy, 45 minutes
125 12 $175.00 $85.63

Medical Specialties & State Licenses

Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License MA 2969

A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
0510645 (MA)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

34 Associated Practitioners
Melissa Seastead , LICSW

Social Worker - Clinical

NPI 1023071834

Licensed Independent Clinical Social Worker

Sarah Moynihan , LICSW

Social Worker - Clinical

NPI 1043709405

Licensed Independent Clinical Social Worker

Tracy Barnes , MSW LICSW

Social Worker - Clinical

NPI 1053395616

MSWLICSW

Magdalene Kwakye , LICSW

Social Worker - Clinical

NPI 1083390108

Licensed Independent Clinical Social Worker

I-Chien Young , LICSW

Social Worker - Clinical

NPI 1114228533

Licensed Independent Clinical Social Worker

Melissa Crawford , LICSW

Social Worker - Clinical

NPI 1134511579

Licensed Independent Clinical Social Worker

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 11 RIVER ST, COLONY CARE BEHAVIORAL HEALTH, WELLESLEY, MA 024812098 (Tel: 7814311177)

📍
Updated Business Mailing Address July 08, 2007

Registered at 11 RIVER ST, WELLESLEY, MA 024812098 (Tel: 7814311177)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARK GEER

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Psychologist (License #2969 in MA)

🟢
Initial NPI Registration & Enumeration March 01, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1609843507
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 01, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

11 River St

Wellesley, MA 024812098

Phone: 7814311177

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.