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ISABELLA YIROA CHEN DMD
NPI 1851852339
Dentist - General Practice in New Haven, CT

Active since March 27, 2019PECOS Enrolled
428 COLUMBUS AVENUE, DENTAL, NEW HAVEN, CT 06519(203) 503-3040(203) 503-3187 Get Directions Write a Review

NPPES record last updated: August 10, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Isabella Yiroa Chen Dmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ISABELLA YIROA CHEN DMD (NPI 1851852339) is an individual general practice provider in New Haven, Connecticut, licensed in Connecticut (12847) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Farmington.

NPPES Registry Identity

NPI1851852339
Entity TypeIndividualFemale
Primary Taxonomy1223G0001X
Provider Legal NameISABELLA YIROA CHENCredential: DMD
Location Address428 COLUMBUS AVENUE, DENTALNew Haven, CT 06519
Mailing Address400 Columbus Avenue, Credentialing SpecialistNew Haven, CT 06519-1233 · (203) 503-3000 · Fax (203) 503-6515
Phone(203) 503-3040
Fax(203) 503-3187
Sole ProprietorNo
Enumeration DateMarch 27, 2019
Last NPPES UpdateAugust 10, 2020
NPPES CertifiedAugust 10, 2020
✔ NPI 1851852339 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in CT · 12847
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 12497 (CT)
428 COLUMBUS AVENUE, New Haven, CT 06519
Open in Google Maps ↗

Secondary Practice Location 1

Location 1263 Farmington AveFarmington, CT 06030-0001 · Phone (860) 679-2000

Other Identifiers 1

Medicaid004235893CT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isabella Yiroa Chen Dmd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Isabella Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cornell Scott Hill Health Corporation
Same address
Federally Qualified Health Center (FQHC)
400-428 COLUMBUS AVENUE
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 468 clinicians in this Medicare group
NPI 1902921380 (203) 503-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06519 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHANIQUE BINGHAM DPM
Podiatrist
428 COLUMBUS AVENUE, PODIATRY
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 503-3070
MS. MARYBETH HOLAK ARNP
Nurse Practitioner (Family)
428 COLUMBUS AVENUE, DERMATOLOGY
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 503-3000
DR. JAMIL AYANNA HARP MD
Obstetrics & Gynecology
428 COLUMBUS AVENUE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 503-3094
DR. MICHAEL JOHN COUTURIE MD
Internal Medicine
428 COLUMBUS AVENUE, CORNELL SCOTT-HILL HEALTH CENTER
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 503-3000
DR. AMELIA WATKINS M.D.
Pediatrics
428 COLUMBUS AVENUE, CORNELL SCOTT-HILL HEALTH CENTER
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 503-3000
THERESA PENNACHIO LMFT
Marriage & Family Therapist
428 COLUMBUS AVENUE, CHILD FAMILY GUIDANCE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 503-3055
JONATHAN FRANKLIN JOHNSON JR. FNP
Nurse Practitioner (Family)
428 COLUMBUS AVENUE, PEDIATRICS
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 503-3030

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Isabella Chen's NPI number?

The NPI number for Isabella Chen is 1851852339. It was assigned to this individual provider in the NPPES registry on March 27, 2019.

Where is Isabella Chen located?

Isabella Chen practices at 428 Columbus Avenue Dental, New Haven, CT 06519. The listed phone number is (203) 503-3040.

What is Isabella Chen's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Isabella Chen enrolled in Medicare?

Yes. Isabella Chen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Isabella Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isabella Chen reassigns Medicare benefits to Cornell Scott Hill Health Corporation (New Haven, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Isabella Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Isabella Chen accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 6 other insurers list Isabella Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Isabella Chen was last updated on August 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.