Doctor profile · Federal record

Dr. Hollis Viray, M.D.

Hematology & Oncology Physician (CMS: Medical Oncology) · Hematology (Internal Medicine) Physician · Medical Oncology Physician · Boston, MA

  • NPI 1902254188
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Brookline Ave
Boston, MA 022155400
(617) 667-7000

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
September 5, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Massachusetts #268230

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902254188. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
70
Distinct HCPCS
3
Medicare allowed
$9,513
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 36 21 $153
99214 Established patient office or other outpatient visit, 30-39 minutes 21 20 $104
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $142

In context: peer comparison

Among 64 peers in this city , average services per provider: 129. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
0
Total drug cost
$403,413
Drug Type Claims Patients Total cost
Tagrisso (Osimertinib Mesylate) Brand 24 0 $403,413

Frequently asked questions

Auto-generated from federal data
What is Dr. Hollis Viray's medical specialty?
Dr. Hollis Viray practices Hematology & Oncology Physician in Boston, MA.
Where does Dr. Hollis Viray practice?
Dr. Hollis Viray practices at 330 Brookline Ave, Boston, MA 022155400. Office phone: 6176677000.
What is Dr. Hollis Viray's NPI?
Dr. Hollis Viray's National Provider Identifier (NPI) is 1902254188, issued by NPPES.
Does Dr. Hollis Viray accept Medicare assignment?
Yes. Dr. Hollis Viray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hollis Viray commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.