JONATHAN CHANG – Colon & Rectal Surgery Physician, NPI 1861924755

JONATHAN CHANG is a healthcare provider. based in Bloomfield, Connecticut. specializing in COLORECTAL SURGERY (PROCTOLOGY). They hold a License No. 80291 (CT). The NPI Number for JONATHAN CHANG is 1861924755

Main info

Male
9 Years Of Experience
Accepts Medicare Assignment
Name
JONATHAN CHANG
NPI
1861924755
Phone
(860) 242-8591
Address
6 NORTHWESTERN DR STE 305
Enumeration Date
30 March 2017
Last Update Date
5 August 2025

Doctor Profile

Medical School Name
TUFTS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
8602428591
Graduation Year
2017 (9 years ago)
PAC ID
0345511739
Group Practice PAC ID
0244223956
Professional Enrollment ID
I20250724003895
Address ID
CT060023428BL6XXXXDRXX303
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience47
Completeness85
Years active:9State licenses:1Digital endpointsOther names

59 COLORECTAL SURGERY (PROCTOLOGY) in CT

Provider Addresses for JONATHAN CHANG

  • 6 NORTHWESTERN DR STE 305

    BLOOMFIELD, CT 060023428

    Phone: (860) 242-8591

    Fax: (860) 242-2511

    Type: Location

  • 2400 Tamarack Ave Ste 200

    South Windsor, CT 060745559

    Phone: (860) 242-8591

    Fax: (860) 242-2511

    Type: Location

  • University of Connecticut Health Center, 263, Farmington Avenue, Farmington, Hartford County, Connecticut, 06030, United States

    MC8073

    FARMINGTON, CT 060303955

    Phone: (860) 679-3467

    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: 2025-07-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

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
I20250724003895IColorectal Surgery (Proctology)CTTBD

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 06002)

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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: 0244223956View full group profile
NameSpecialtyState
Physician AssistantCT
General SurgeryCT
-CT
Colorectal Surgery (Proctology), General SurgeryCT
Physician AssistantCT
Physician AssistantCT
-CT
Certified Clinical Nurse Specialist (Cns)CT
Physician AssistantCT

Reviews

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Frequently asked questions

What is the 10-digit NPI for JONATHAN CHANG?
JONATHAN CHANG — NPI 1861924755 — is the standard way to identify this listing.
Does the file indicate JONATHAN CHANG is practicing under active NPI?
Directory data currently reports JONATHAN CHANG as active.
What taxonomy line describes JONATHAN CHANG?
For research purposes, treat JONATHAN CHANG as Colon & Rectal Surgery Physician in this dataset. Clinical services aligned with this taxonomy classification.
What area does JONATHAN CHANG serve?
JONATHAN CHANG's listing highlights Bloomfield, Connecticut; more addresses can appear in NPPES.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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