DR. DIANNE JEAN DEFUSCO (MD) – Internal Medicine Physician, NPI 1063584787
Preparing for Medicare enrollment?
Use our CMS-855 prep checklist: which form applies (855I, 855O, or 855A), readiness score, NPPES field map, and Section 12 documents. Reassignment uses CMS-855I Section 4F—not the discontinued CMS-855R form.
Open Medicare 855 Prep tool →Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Loading map...
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
Loading prescription activity...
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
| Company | Amount |
|---|---|
| ABBVIE INC. | $85 |
| Novo Nordisk Inc | $27 |
| GlaxoSmithKline, LLC. | $20 |
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
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 134 | 85 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 83 | 83 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 43 | 36 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 40 | 40 | $0 |
| G0008 | Administration of influenza virus vaccine | 17 | 17 | $0 |
Insurance plans in this area (ZIP 06473)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | CT | 90670 | Pneumococcal vaccine for injection into muscle | 24 | 24 |
Group practice members
- 1
- 2
- 3
- 4
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CT | |
| - | CT | |
| - | MA | |
| - | CT | |
| Internal Medicine | IL | |
| - | CT | |
| Nurse Practitioner | CT | |
| - | CT | |
| Internal Medicine | CT | |
| - | CT |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.