DR. DIANNE JEAN DEFUSCO (MD) – Internal Medicine Physician, NPI 1063584787

DR. DIANNE JEAN DEFUSCO (MD) is a healthcare provider. based in North haven, Connecticut. specializing in Internal Medicine Physician. They hold the professional credentials MD. They hold a License No. 041834 (CT). The NPI Number for DR. DIANNE JEAN DEFUSCO (MD) is 1063584787

Main info

Female
39 Years Of Experience
Accepts Medicare Assignment
Name
DR. DIANNE JEAN DEFUSCO (MD)
NPI
1063584787
Phone
(203) 234-6500
Address
2 BROADWAY
Enumeration Date
15 November 2006
Last Update Date
14 September 2007

Doctor Profile

Medical School Name
WARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Secondary Phone
8602765144
Graduation Year
1987 (39 years ago)
PAC ID
8426077850
Group Practice PAC ID
1153573902
Professional Enrollment ID
I20051115000925
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. DIANNE JEAN DEFUSCO (MD)

  • 2, Broadway, North Haven Bridge, North Haven, New Haven County, Connecticut, 06473, United States

    NORTH HAVEN, CT 064732349

    Phone: (203) 234-6500

    Fax: (203) 234-6503

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 5 Open Payments records for all available years, with a total value of $132.

Total Amount is formed as General ($132) + Research ($0) + Ownership ($0) = $132.

Last reported payment date: 2024-09-20 • Largest payer in this snapshot: ABBVIE INC. ($85).

Total Amount

$132

General + Research + Ownership

Payments

5

Total payment records

General Amount

$132

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-09-20

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

No Medicare enrollment or revalidation data available for this provider in our database.

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes13485$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit8383$0
99213Established patient office or other outpatient visit, 20-29 minutes4336$0
93000Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report4040$0
G0008Administration of influenza virus vaccine1717$0
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Insurance plans in this area (ZIP 06473)

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Provider's Procedures

DR. DIANNE JEAN DEFUSCO (MD) performs procedures in Internal Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINECT90670Pneumococcal vaccine for injection into muscle2424

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: 1153573902View full group profile

Reviews

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Frequently asked questions

What number should I use to identify DR. DIANNE JEAN DEFUSCO (MD) for billing?
Administrative and clinical systems typically use NPI 1063584787 for DR. DIANNE JEAN DEFUSCO (MD).
Quick check: is DR. DIANNE JEAN DEFUSCO (MD) active?
Public NPPES data shows DR. DIANNE JEAN DEFUSCO (MD) with an active NPI status right now.
What services align with DR. DIANNE JEAN DEFUSCO (MD)'s listing?
DR. DIANNE JEAN DEFUSCO (MD)'s public classification highlights Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What city is tied to DR. DIANNE JEAN DEFUSCO (MD)?
The directory associates DR. DIANNE JEAN DEFUSCO (MD) with North Haven, Connecticut. Check all listed addresses for suites or satellite offices.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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