Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Geraldine H O'Sullivan Coyne, MD, PHD

Individual provider Medical Oncology Physician · NPI 1205182318

Dr. Geraldine H O'Sullivan Coyne, MD, PHD is a Hematology/Oncology in Bethesda, Maryland. Qualified in 2003, 23 years ago. Practices with North Shore Health System Medical Faculty Group Practice Inc, a 158-clinician group and accepts Medicare assignment. Licensed in ZZ.

Years since qualifying
23
Licensed in
ZZ
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

10 Center Dr 10/12N226
Bethesda, MD 20892-0001
Phone: (301) 496-4916
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 153757 (ZZ)

Record details

NPI number1205182318
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJuly 25, 2012
Last updated in NPPESJuly 25, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice North Shore Health System Medical Faculty Group Practice Inc — 158 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Bethesda