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Hematology/Oncology

Stephanie H. Guarino, MD

Works at hospitals in Newark, DE · Delaware

Summary

Dr. Stephanie H. Guarino, MD is a hematologist-oncologist at 501 W 14th St, Wilmington, DE 19801. Phone: (302) 320-4410. Accepts Medicare assignment. In 2024, Stephanie H. Guarino had 17 Original Medicare patients and 26 services. NPI 1114219458. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 501 W 14th St, Wilmington, DE 19801 · Directions
  • Phone: (302) 320‑4410
  • Medicare: Accepts Medicare assignment
  • Hospital: Christiana Hospital
  • Group practice: Christiana Care Health Services Inc
  • Medical school: Baylor College Of Medicine · graduated 2011 (15 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Stephanie H. Guarino, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Stephanie H. Guarino accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie H. Guarino accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Stephanie H. Guarino see?
In 2024, CMS data shows 17 Original Medicare patients and 26 services for Stephanie H. Guarino. This counts Original Medicare only and measures volume, not quality.
What is Stephanie H. Guarino's NPI number?
1114219458. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Stephanie H. Guarino, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients17
Services billed to Medicare26
Different services or procedures4
Participating Medicare providerYes
Average age of these patients40

Hospitals where Stephanie H. Guarino works

Medicare's Facility Affiliation Data lists Stephanie H. Guarino at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Christiana HospitalNewark, DE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 080001

Practice locations

Addresses where Stephanie H. Guarino is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stephanie H. Guarino as a member of this group (CMS data updated October 2, 2026).

  • Christiana Care Health Services Inc1,483 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Delaware →

Other hematologist-oncologists in Delaware

Clinicians with the same Medicare primary specialty in Delaware — not a recommendation.

All hematologist-oncologists in Delaware →

Other clinicians in Christiana Care Health Services Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114219458
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians