Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hematology/Oncology

Sarah E. Regan, MD

Works at hospitals in Rockville, MD · Bethesda, MD · Maryland

Summary

Sarah E. Regan, MD (Hematology/Oncology) is listed by Medicare at 2 hospitals in Rockville, MD and Bethesda, MD. NPI 1487017950. 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 Sarah E. Regan, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
University Of Maryland School Of MedicineMedical school
FemaleGender (as listed)
Maryland Oncology Hematology PAGroup practice

Quick answers

Which hospitals does Sarah E. Regan work at?
Medicare's official clinician data lists Sarah E. Regan at 2 hospitals: Adventist Healthcare Shady Grove Medical Center and Suburban Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sarah E. Regan see patients?
Medicare's clinician data lists 2 practice locations, including Bethesda, MD and Rockville, MD. Call before your visit to confirm the address.
What is Sarah E. Regan's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Sarah E. Regan accept Medicare assignment?
Yes. Medicare's clinician data says Sarah E. Regan 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 Sarah E. Regan offer telehealth?
Medicare's clinician data says Sarah E. Regan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Sarah E. Regan?
(301) 929-0765, as listed in official Medicare / NPI Registry data.
What is Sarah E. Regan's NPI number?
1487017950. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sarah E. Regan works

Medicare's Facility Affiliation Data lists Sarah E. Regan 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 Sarah E. Regan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sarah E. Regan as a member of this group (CMS data updated 2026-10-02).

  • Maryland Oncology Hematology PA104 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Maryland →

Other hematologist-oncologists in Maryland

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

All hematologist-oncologists in Maryland →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1487017950
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