Gregory J. Orloff, M.D.
Hematology & Oncology Physician · Fairfax, VA
Gregory J. Orloff, M.D. is a hematology & oncology physician with a practice address in Fairfax, Virginia, and NPI 1750358776, issued on Mar 8, 2006. Check the license (Virginia 0101052477, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory J. Orloff
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 0101052477 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8613 Lee Hwy # 200N, Fairfax, VA 22031
- Phone
- (703) 208-3155
- Enumerated
- Mar 8, 2006
- Record last updated
- Oct 24, 2022
- Fax
- (703) 280-9596
- Medicaid ID
- 1750358776 VA
- Medicare enrollment
- Enrolled (PECOS I20100303000440); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 346 in Virginia → Look up another NPI →
Also registered at 8613 Lee Hwy # 200N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy McCarthy, M.D.Hematology & Oncology Physician1881963403
- Dipti Patel-Donnelly, M.D.Hematology & Oncology Physician1427026020
- Eleanor Peacock, MSGenetic Counselor (M.S.)1710468657
- Robert Reid, M.D.Hematology & Oncology Physician1790753325
- Michelle Rosen, NPFamily Nurse Practitioner1184117376
- Christy Schatz, NPFamily Nurse Practitioner1770773327
Verify Gregory J. Orloff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101052477Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
535 Medicare Part D claims for 84 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Acyclovir90 claims
- Lenalidomide68 claims
- Dexamethasone57 claims
- Eliquis55 claims
- Revlimid30 claims
- Pomalyst25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 92 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $418.21
18 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Virginia Cancer Specialists, P.C.Fairfax, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory J. Orloff among 346 hematology & oncology physician records in Virginia
Gregory J. Orloff, M.D. is one of 346 hematology & oncology physician records with a practice address in Virginia. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1986 · median 2005 among the 250 with a school on file
- Record last updated2022 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Virginia
There are 346 hematology & oncology physician records in Virginia.
All 346 in Virginia → Every provider in Fairfax → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Samantha Dibenedetto, MDFairfax, VA 220311295198695
- Naveen Doki, M.DFairfax, VA 220311568621779
- William Ershler, M.D.Fairfax, VA 220311669496881
- Sekwon Jang, M.D.Fairfax, VA 220311942412564
- Arthur Kales, M.D.Fairfax, VA 220311417924663
- Timothy McCarthy, M.D.Fairfax, VA 220311881963403
- John Miller, M.D.Fairfax, VA 220311528036977
- Dipti Patel-Donnelly, M.D.Fairfax, VA 220311427026020
Common questions
What is Gregory J. Orloff, M.D.'s NPI number?
Gregory J. Orloff, M.D.'s National Provider Identifier (NPI) is 1750358776, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory J. Orloff, M.D. located?
The NPPES record lists a practice address at 8613 Lee Hwy # 200N, Fairfax, VA, 22031. Phone: (703) 208-3155. Providers update this record themselves, so call before visiting.
How can I verify Gregory J. Orloff, M.D.'s license?
NPPES lists Virginia license number 0101052477, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory J. Orloff, M.D. prescribe under Medicare Part D?
In 2024, Gregory J. Orloff, M.D. had 535 Medicare Part D claims for 84 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Gregory J. Orloff, M.D.'s MIPS final score?
The 2023 MIPS final score is 92 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.