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Medical Oncology

Paul A. Bannen, MD

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

Summary

Paul A. Bannen, MD (Medical Oncology) is listed by Medicare at 2 hospitals in Rockville, MD and Olney, MD. NPI 1942392899. 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 Paul A. Bannen, 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

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
University Of Missouri, Columbia School Of MedicineMedical school
MaleGender (as listed)
Maryland Oncology Hematology PAGroup practice (+1 more)

Quick answers

Which hospitals does Paul A. Bannen work at?
Medicare's official clinician data lists Paul A. Bannen at 2 hospitals: Adventist Healthcare Shady Grove Medical Center and MedStar Montgomery Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Paul A. Bannen see patients?
Medicare's clinician data lists 3 practice locations, including Olney, MD and Rockville, MD. Call before your visit to confirm the address.
What is Paul A. Bannen's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
Does Paul A. Bannen accept Medicare assignment?
Yes. Medicare's clinician data says Paul A. Bannen 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.
What is the phone number for Paul A. Bannen?
(301) 774-6136, as listed in official Medicare / NPI Registry data.
What is Paul A. Bannen's NPI number?
1942392899. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Paul A. Bannen works

Medicare's Facility Affiliation Data lists Paul A. Bannen 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 Paul A. Bannen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Paul A. Bannen as a member of these groups (CMS data updated 2026-10-02).

  • Maryland Oncology Hematology PA104 clinicians in the group
  • Rcca MD LLC5 clinicians in the group

Specialties

Find other Medical Oncology doctors in Maryland →

Other oncologists in Maryland

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

All oncologists in Maryland →

Clinician information

CredentialMD
Medical schoolUniversity Of Missouri, Columbia School Of Medicine
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942392899
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