IndividualActive
James Zwiebel, M.D.
NPI 1366868622 · Hematology & Oncology Physician · Bethesda, MD
Provider details
- NPI number
- 1366868622
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0025198 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
9609 Medical Center Dr
Room 5w-460, Msc 9739
Bethesda, MD 20892-0001
Phone: (240) 276-6565
Approximate (ZIP-level) locationGet directions
Mailing address
9609 Medical Center Dr
Bethesda, MD 20892-0001
Registry dates
- Enumerated
- 2014-03-11
- Last updated
- 2014-03-11
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.