Doctor profile · Federal record

Dr. Annie Chan, MD

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

  • NPI 1306874169
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Blossoms Street, Cox Ll Massachusetts General Hospital,
Boston, MA 02114
(617) 724-1159
fax (617) 726-3603
Mailing address
55 Fruit Street, Cox 337 Massachusetts General Hospital
Boston, MA 02114

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 18, 2011
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Massachusetts #205315
Medicaid
MA #0117170

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306874169. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,005
Distinct HCPCS
10
Medicare allowed
$96,590
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 508 22 $48
77427 Radiation treatment management, 5 treatment sessions 124 23 $207
77300 Calculation of radiation therapy dose 105 21 $36
99215 Established patient office or other outpatient visit, 40-54 minutes 56 52 $153
77334 Design and construction of complex radiation treatment device 45 21 $65
99214 Established patient office or other outpatient visit, 30-39 minutes 43 38 $140
31575 Diagnostic exam of voice box using a flexible endoscope 34 32 $150
77263 Complex radiation therapy planning 22 22 $182
77301 High precision radiation therapy planning 19 17 $455
77338 Design and construction of radiation treatment device for high precision radiation therapy 18 17 $244

In context: peer comparison

Among 61 peers in Boston Radiation Oncology Physician, average services per provider: 91. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$91
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
RefleXion Medical, INC. 2 $62.80
Mevion_Medical_Systems_INC 2 $28.21

By nature of payment

Food and Beverage
$91

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Annie Chan's medical specialty?
Dr. Annie Chan practices Radiation Oncology Physician in Boston, MA.
Where does Dr. Annie Chan practice?
Dr. Annie Chan practices at 100 Blossoms Street, Boston, MA 02114. Office phone: 6177241159.
What is Dr. Annie Chan's NPI?
Dr. Annie Chan's National Provider Identifier (NPI) is 1306874169, issued by NPPES.
Does Dr. Annie Chan accept Medicare assignment?
Yes. Dr. Annie Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Annie Chan commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.