BRIAN J DILLON (M.D.) – Vascular & Interventional Radiology Physician, NPI 1821023888

BRIAN J DILLON (M.D.) is a healthcare provider. based in New haven, Connecticut. specializing in DIAGNOSTIC RADIOLOGY, NUCLEAR MEDICINE, PEDIATRIC MEDICINE, INTERVENTIONAL RADIOLOGY. They hold the professional credentials M.D.. They hold a License No. 227970 (MA). The NPI Number for BRIAN J DILLON (M.D.) is 1821023888

Main info

Male
25 Years Of Experience
Accepts Medicare Assignment
Name
BRIAN J DILLON (M.D.)
NPI
1821023888
Phone
(617) 355-6000
Address
20 York Street
Enumeration Date
11 July 2006
Last Update Date
10 April 2024

Doctor Profile

Medical School Name
NEW YORK UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
7207771234
Graduation Year
2001 (25 years ago)
PAC ID
3072650746
Group Practice PAC ID
3476465667
Professional Enrollment ID
I20240424001773
Address ID
CO800457106AU13123AVEX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience89
Completeness75
Years active:19State licenses:4Digital endpointsOther names

804 DIAGNOSTIC RADIOLOGY in CT

Provider Addresses for BRIAN J DILLON (M.D.)

  • 20 York Street

    Yale-New Haven Hospital

    New Haven, CT 06510

    Phone: (617) 355-6000

    Type: Location

  • 13123 E 16TH AVE

    AURORA, CO 800457106

    Phone: (720) 777-1234

    Type: Location

  • 110, Lisbon Drive, Melville Village, Stratfield, Fairfield, Greater Bridgeport Planning Region, Connecticut, 06825, United States

    FAIRFIELD, CT 068252640

    Phone: (203) 605-1727

    Type: Mailing

  • Yale New Haven Hospital, 20, York Street, Downtown, New Haven, New Haven County, Connecticut, 06510, United States

    YALE-NEW HAVEN HOSPITAL

    NEW HAVEN, CT 06510

    Phone: (617) 355-6000

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-04-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20201123002679IInterventional RadiologyNYTBD
I20240424001773IInterventional RadiologyCOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 06510)

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Provider's Procedures

BRIAN J DILLON (M.D.) performs procedures in DIAGNOSTIC RADIOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
DIAGNOSTIC RADIOLOGYCT36556Insertion of central venous catheter for infusion, patient 5 years or older1312
DIAGNOSTIC RADIOLOGYCT76942Ultrasonic guidance imaging supervision and interpretation for insertion of needle1717

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3476465667View full group profile
NameSpecialtyState
-CO
Family PracticeCO
Advanced Heart Failure And Transplant Cardiology, Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal MedicineCO
Emergency MedicineCO
Emergency MedicineCO
-CO
-CO
Emergency MedicineCO
-CO
-CO

Reviews

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Frequently asked questions

How do payers reference BRIAN J DILLON (M.D.)?
For BRIAN J DILLON (M.D.), use NPI 1821023888 as the unique 10-digit identifier.
Is BRIAN J DILLON (M.D.) shown as active in public data?
Registry records indicate BRIAN J DILLON (M.D.) maintains an active NPI.
What expertise is attributed to BRIAN J DILLON (M.D.)?
BRIAN J DILLON (M.D.)'s specialty line reads Vascular & Interventional Radiology Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for BRIAN J DILLON (M.D.)?
Travel planning: use New Haven, Connecticut as the reference point for BRIAN J DILLON (M.D.), then confirm.
What does 4 location(s) imply?
4 practice locations appear in the available data.

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