Doctor profile · Federal record

Dr. Raymond Mak, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Boston, MA

  • NPI 1285784041
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
75 Francis St, Asb1-L2, Radiation Oncology, Brigham & Women's Hospital
Boston, MA 021156110
(617) 732-5500
Additional location
100 Blossom St
Boston, MA 021142606
(617) 726-8650
Additional location
55 Fruit St
Boston, MA 021142621
(617) 726-8650
Mailing address
375 Boylston St
Brookline, MA 024456007

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 14, 2025
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Massachusetts #235436

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285784041. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,757
Distinct HCPCS
10
Medicare allowed
$215,407
HCPCS Description Services Patients Avg allowed
77300 Calculation of radiation therapy dose 778 94 $36
77014 Ct guidance for insertion of radiation therapy fields 204 25 $48
77338 Design and construction of radiation treatment device for high precision radiation therapy 119 91 $244
77301 High precision radiation therapy planning 114 91 $455
99214 Established patient office or other outpatient visit, 30-39 minutes 99 72 $102
77263 Complex radiation therapy planning 60 56 $182
77470 Special radiation treatment 56 52 $116
77427 Radiation treatment management, 5 treatment sessions 52 16 $207
77435 Management of cranial lesion surgery using radiation over multiple sessions 45 42 $693
99442 Telephone medical discussion with physician, 11-20 minutes 45 41 $70

In context: peer comparison

Among 61 peers in Boston Radiation Oncology Physician, average services per provider: 91. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$10,724
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 3 $10,723.50

By nature of payment

Consulting Fee
$10,678
Travel and Lodging
$46

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Raymond Mak's medical specialty?
Dr. Raymond Mak practices Radiation Oncology Physician in Boston, MA.
Where does Dr. Raymond Mak practice?
Dr. Raymond Mak practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325500.
What is Dr. Raymond Mak's NPI?
Dr. Raymond Mak's National Provider Identifier (NPI) is 1285784041, issued by NPPES.
Does Dr. Raymond Mak accept Medicare assignment?
Yes. Dr. Raymond Mak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Raymond Mak commonly perform?
Top Medicare-reported procedures in 2023: Calculation of radiation therapy dose (HCPCS 77300); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Design and construction of radiation treatment device for high precision radiation therapy (HCPCS 77338). Source: CMS Medicare Physician & Other Practitioners file.