Hollis Andrea Viray, M.D.
Hematology & Oncology Physician · Boston, MA
Hollis Andrea Viray, M.D. is a hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1902254188, issued on May 29, 2016. Check the license (Massachusetts 268230, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Hollis Andrea Viray
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 268230 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Ave, Boston, MA 02215
- Phone
- (617) 667-7000
- Enumerated
- May 29, 2016
- Record last updated
- Sep 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20201218000877); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 461 in Massachusetts → Look up another NPI →
Also registered at 330 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
- Elisabeth AbelesStudent in an Organized Health Care Education/Training Program1528659760
Verify Hollis Andrea Viray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 268230Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
195 Medicare Part D claims for 44 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Tagrisso31 claims
- Ondansetron Odt17 claims
- Prochlorperazine Maleate17 claims
- Eliquis11 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.
Bills Medicare through one group practice
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hollis Andrea Viray among 461 hematology & oncology physician records in Massachusetts
Hollis Andrea Viray, M.D. is one of 461 hematology & oncology physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 88% of them.
- NPI issued2016 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2004 among the 303 with a school on file
- Record last updated2023 · 62% 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 Massachusetts 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 Massachusetts
There are 461 hematology & oncology physician records in Massachusetts.
All 461 in Massachusetts → Every provider in Boston → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Gregory Abel, MDBoston, MA 022151285611954
- Nancy Andrea, M.D.Boston, MA 022151033193719
- David Avigan, M.D.Boston, MA 022151952349243
- David Barbie, MDBoston, MA 022151164401626
- Christopher Lee Carpenter, M.D.Boston, MA 022151083651798
- Bimalangshu Dey, MDBoston, MA 022151679563845
- Robb Friedman, M.D.Boston, MA 022151669451514
- Leena Gandhi, MD PHDBoston, MA 022151841275906
Common questions
What is Hollis Andrea Viray, M.D.'s NPI number?
Hollis Andrea Viray, M.D.'s National Provider Identifier (NPI) is 1902254188, issued on May 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Hollis Andrea Viray, M.D. located?
The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-7000. Providers update this record themselves, so call before visiting.
How can I verify Hollis Andrea Viray, M.D.'s license?
NPPES lists Massachusetts license number 268230, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hollis Andrea Viray, M.D. prescribe under Medicare Part D?
In 2024, Hollis Andrea Viray, M.D. had 195 Medicare Part D claims for 44 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.