Doctor profile · Federal record

Dr. Evan Chen, MD

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

  • NPI 1679929574
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
450 Brookline Ave
Boston, MA 022155418
(617) 632-1906

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
March 6, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Massachusetts #278136

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679929574. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
343
Distinct HCPCS
5
Medicare allowed
$36,245
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 174 35 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 93 28 $104
99215 Established patient office or other outpatient visit, 40-54 minutes 35 21 $153
99205 New patient office or other outpatient visit, 60-74 minutes 29 29 $193
99238 Hospital discharge day management, 30 minutes or less 12 12 $87

In context: peer comparison

Among 103 peers in this city , average services per provider: 67. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,405
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 2 $1,125.28
BeiGene, Ltd. 1 $280.00

By nature of payment

Consulting Fee
$1,380
Travel and Lodging
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
129
Patients
14
Total drug cost
$285,778
Drug Type Claims Patients Total cost
Venclexta (Venetoclax) Brand 29 14 $284,569
Allopurinol Generic 24 0 $186
Acyclovir Generic 20 0 $293
Levofloxacin Generic 17 0 $174
Chlorhexidine Gluconate Generic 14 0 $38
Hydroxyurea Generic 14 0 $222
Nystatin Generic 11 0 $296

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Evan Chen's medical specialty?
Dr. Evan Chen practices Medical Oncology Physician in Boston, MA.
Where does Dr. Evan Chen practice?
Dr. Evan Chen practices at 450 Brookline Ave, Boston, MA 022155418. Office phone: 6176321906.
What is Dr. Evan Chen's NPI?
Dr. Evan Chen's National Provider Identifier (NPI) is 1679929574, issued by NPPES.
Does Dr. Evan Chen accept Medicare assignment?
Yes. Dr. Evan Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Evan Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.