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

Gregory J Orloff, MD

Individual provider Hematology & Oncology Physician · NPI 1750358776

Gregory J Orloff, MD is a Hematology/Oncology in Fairfax, Virginia. Graduated from Yale University School of Medicine in 1986, 40 years ago. Practices with Virginia Cancer Specialists, PC, a 79-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
40
Trained at
Yale University School of Medicine
Licensed in
VA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8613 Lee Hwy # 200N
Fairfax, VA 22031-2171
Phone: (703) 208-3155
Fax: (703) 280-9596
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 0101052477 (VA)

Record details

NPI number1750358776
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 8, 2006
Last updated in NPPESOctober 24, 2022
Certification dateOctober 24, 2022
Mailing address3040 Williams Dr Ste 100, Fairfax, VA 22031-4618

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Virginia Cancer Specialists, P.C. — 79 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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