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Active NPI 1639132210 Individual Practitioner Male Practitioner

Dr. Robert Joseph Marsillo , DC

Chiropractor • Darien, CT

Professional Overview & Biography Verified Profile Summary

Dr. Robert Marsillo, DC is a certified Chiropractor practicing in Darien, CT. With approximately 40 years of clinical experience since graduating from New York Chiropractic College in 1986, Dr. Marsillo delivers high-quality medical care to the local community at 484 POST RD.

Dr. Marsillo does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include chiropractic manipulative treatment, 1-2 spinal regions. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

484 Post Rd

Darien, CT 06820

Telephone 2036562044
Fax 2036562042
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

New York Chiropractic College

Graduation Year

1986

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Chiropractor in Darien, CT

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
40 Yrs Matches City Avg
City Avg: 40.0 Yrs
State Avg: 26.4 Yrs
Regional Practice Density
7 Specialists

Practicing in Darien, CT (937 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
16.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marsillo (40 Years) 40 Yrs
Darien Specialty Average (40.0 Years) 40.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
98940 Chiropractic manipulative treatment, 1-2 spinal regions
104 11 $32.00 $26.75

Medical Specialties & State Licenses

Chiropractor Primary Specialty

NUCC Taxonomy Code: 111N00000X

State License CT 634

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Bc/bs
050000634CT01 (CT)
Commercial Insurance / Payer ID Oxford
P463905 (CT)
Commercial Insurance / Payer ID Aetna
4334475 (CT)

Practice Associates & Co-Workers

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

2 Associated Practitioners
Dr. Saul Asken , MD

Surgery - Plastic and Reconstructive Surgery

NPI 1578695391

Doctor of Medicine (M.D.)

NPI 1598807869

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location August 17, 2018

Registered at 484 POST RD, DARIEN, CT 06820 (Tel: 2036562044)

📍
Updated Business Mailing Address August 17, 2018

Registered at 433 POST RD, DARIEN, CT 068203606 (Tel: 2036562044)

NPI Profile Active December 21, 2011

NPI status registered as active in NPPES database

📍
Updated Practice Location December 21, 2011

Registered at 484 POST RD, DARIEN, CT 068203651 (Tel: 2036562044)

📍
Updated Business Mailing Address December 21, 2011

Registered at 484 POST RD, DARIEN, CT 068203651 (Tel: 2036562044)

👤
Provider Name / Credentials Updated December 21, 2011

Recorded as ROBERT MARSILLO, D.C.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 21, 2011

Chiropractor (License #634 in CT)

🟢
Initial NPI Registration & Enumeration April 06, 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: 1639132210
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 06, 2006
Last Update: August 17, 2018
Sole Proprietor: Yes

Mailing Address

433 Post Rd

Darien, CT 068203606

Phone: 2036562044

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.