Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1720650211 Individual Practitioner Male Practitioner

Dr. Gregory Berlin , PhD

Psychologist • Greenwich, CT

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Berlin, PhD is a registered healthcare professional specializing in Psychologist in Greenwich, CT. Practice services are available at 55 HOLLY HILL LN under active NPI credentials.

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

Practice Location & Contact Primary Location

Practice Address

55 Holly Hill Ln

Greenwich, CT 068306074

Telephone 2038632939
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Greenwich, CT

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 3.0 Yrs
State Avg: 29.2 Yrs
Regional Practice Density
15 Specialists

Practicing in Greenwich, CT (697 Statewide)

Telehealth Adoption Rate
6.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
68.6% 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 (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
90834 Psychotherapy, 45 minutes
19 11 $283.41 $91.46
90791 Psychiatric diagnostic evaluation
14 14 $481.71 $149.13

Medical Specialties & State Licenses

CMS Verified: 2021-10-08
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

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.

Practice Associates & Co-Workers

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

3 Associated Practitioners
Dr. Alexandra Conway , PhD

Psychologist - Clinical

NPI 1134773674

Doctor of Philosophy (Ph.D.)

NPI 1679309892

Doctor of Philosophy (Ph.D.)

Danielle Magnus , RD, CDN

Dietitian, Registered

NPI 1962879791

Registered Dietitian, CDN

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location October 08, 2021

Registered at 55 HOLLY HILL LN, GREENWICH, CT 068306074 (Tel: 2038632939)

📍
Updated Business Mailing Address October 08, 2021

Registered at 55 HOLLY HILL LN, GREENWICH, CT 068306074 (Tel: 2038632939)

NPI Profile Active July 14, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location July 14, 2021

Registered at 950 CAMPBELL AVE, WEST HAVEN, CT 065162770 (Tel: 2039325711)

📍
Updated Business Mailing Address July 14, 2021

Registered at 11 MARIAN ST, STAMFORD, CT 069072412 (Tel: 9148192940)

👤
Provider Name / Credentials Updated July 14, 2021

Recorded as GREGORY BERLIN, PH.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 14, 2021

Psychologist

🟢
Initial NPI Registration & Enumeration July 14, 2021

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: 1720650211
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 14, 2021
Last Update: October 08, 2021
Sole Proprietor: Yes

Mailing Address

55 Holly Hill Ln

Greenwich, CT 068306074

Phone: 2038632939

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.