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Hematology/Oncology

Heather D. Mannuel, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Heather D. Mannuel, MD (Hematology/Oncology) is listed by Medicare at 1 hospital in Baltimore, MD. NPI 1720047129. 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 Heather D. Mannuel, 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
28Years since medical school (graduated 1998)
University Of Maryland School Of MedicineMedical school
FemaleGender (as listed)
University of Maryland Oncology Associates PAGroup practice

Quick answers

Which hospitals does Heather D. Mannuel work at?
Medicare's official clinician data lists Heather D. Mannuel at 1 hospital: University of Maryland Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Heather D. Mannuel see patients?
Medicare's clinician data lists 1 practice location in Baltimore, MD. Call before your visit to confirm the address.
What is Heather D. Mannuel's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Heather D. Mannuel accept Medicare assignment?
Yes. Medicare's clinician data says Heather D. Mannuel 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 Heather D. Mannuel offer telehealth?
Medicare's clinician data says Heather D. Mannuel offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Heather D. Mannuel?
(410) 328-1230, as listed in official Medicare / NPI Registry data.
What is Heather D. Mannuel's NPI number?
1720047129. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Heather D. Mannuel works

Medicare's Facility Affiliation Data lists Heather D. Mannuel 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 Heather D. Mannuel is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Heather D. Mannuel as a member of this group (CMS data updated 2026-10-02).

  • University of Maryland Oncology Associates PA62 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Maryland →

Other hematologist-oncologists in Baltimore

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

All hematologist-oncologists in Baltimore →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year1998
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1720047129
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