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JAMES ZWIEBEL M.D.
NPI 1366868622
Internal Medicine - Hematology & Oncology in Bethesda, MD

Active since March 11, 2014
9609 MEDICAL CENTER DR, ROOM 5W-460, MSC 9739, BETHESDA, MD 20892(240) 276-6565 Get Directions Write a Review

NPPES record last updated: March 11, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About James Zwiebel M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JAMES ZWIEBEL M.D. (NPI 1366868622) is an individual hematology & oncology provider in Bethesda, Maryland, licensed in Maryland (D0025198) and active in the NPI registry since March 2014.

NPPES Registry Identity

NPI1366868622
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameJAMES ZWIEBELCredential: M.D.
Location Address9609 MEDICAL CENTER DR, ROOM 5W-460, MSC 9739Bethesda, MD 20892-0001
Mailing Address9609 Medical Center Dr, Room 5w-460, Msc 9739Bethesda, MD 20892-0001
Phone(240) 276-6565
Sole ProprietorNo
Enumeration DateMarch 11, 2014
✔ NPI 1366868622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MD · D0025198
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
9609 MEDICAL CENTER DR, Bethesda, MD 20892
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARY MCMASTER M.D.
Internal Medicine (Medical Oncology)
9609 MEDICAL CENTER DR
BETHESDA, MD 20892
Montgomery County (240) 276-7248
DR. HELEN CHEN M.D.
Internal Medicine (Medical Oncology)
9609 MEDICAL CENTER DR, ROOM 5W456
BETHESDA, MD 20892
Montgomery County (240) 276-6565
DR. MALCOLM SMITH M.D., PH.D.
Pediatrics (Pediatric Hematology-Oncology)
9609 MEDICAL CENTER DR, RM 5-W414, MSC 9737
BETHESDA, MD 20892
Montgomery County (240) 276-6087
DR. RICHARD FOWLER LITTLE MD
Internal Medicine (Hematology & Oncology)
9609 MEDICAL CENTER DR, ROOM 5W426
BETHESDA, MD 20892
Montgomery County (240) 276-6093

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Zwiebel's NPI number?

The NPI number for James Zwiebel is 1366868622. It was assigned to this individual provider in the NPPES registry on March 11, 2014.

Where is James Zwiebel located?

James Zwiebel practices at 9609 Medical Center Dr Room 5w-460, Msc 9739, Bethesda, MD 20892. The listed phone number is (240) 276-6565.

What is James Zwiebel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for James Zwiebel was last updated on March 11, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.