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Infectious Disease

Chad Duffalo, MD

Works at hospitals in Newark, DE · Wilmington, DE · Elkton, MD · Delaware, Maryland

Summary

Chad Duffalo, MD (Infectious Disease) is listed by Medicare at 3 hospitals in Newark, DE, Wilmington, DE and Elkton, MD. NPI 1639339484. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Chad Duffalo, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Infectious DiseasePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
20Years since medical school (graduated 2006)
Temple University School Of MedicineMedical school
MaleGender (as listed)
Infectious Disease Consultants PAGroup practice

Quick answers

Which hospitals does Chad Duffalo work at?
Medicare's official clinician data lists Chad Duffalo at 3 hospitals: Christiana Hospital, St Francis Hospital and Union Hospital of Cecil County. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Chad Duffalo see patients?
Medicare's clinician data lists 2 practice locations, including Elkton, MD and Newark, DE. Call before your visit to confirm the address.
What is Chad Duffalo's specialty?
Medicare lists Infectious Disease as the primary specialty.
Does Chad Duffalo accept Medicare assignment?
Yes. Medicare's clinician data says Chad Duffalo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Chad Duffalo offer telehealth?
Medicare's clinician data says Chad Duffalo offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Chad Duffalo?
(410) 392-7050, as listed in official Medicare / NPI Registry data.
What is Chad Duffalo's NPI number?
1639339484. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Chad Duffalo works

Medicare's Facility Affiliation Data lists Chad Duffalo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Chad Duffalo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Chad Duffalo as a member of this group (CMS data updated 2026-10-02).

  • Infectious Disease Consultants PA10 clinicians in the group

Specialties

Find other Infectious Disease doctors in Maryland →

Other infectious disease doctors in Elkton

Clinicians with the same Medicare primary specialty in Elkton, MD — not a recommendation.

All infectious disease doctors in Elkton →

Clinician information

CredentialMD
Medical schoolTemple University School Of Medicine
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639339484
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians