Doctor profile · Federal record

Dr. Brian Chan, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Boston, MA

  • NPI 1770541641
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St
Boston, MA 021142621
(617) 726-8157
Mailing address
1589 Beacon St Apt 5
Brookline, MA 024464615

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
September 19, 2013
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Massachusetts #227110

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770541641. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
421
Distinct HCPCS
4
Medicare allowed
$59,969
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 202 104 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 154 148 $184
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 54 26 $84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $137

In context: peer comparison

Among 71 peers in this city , average services per provider: 59. This provider delivers 7.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Chan's medical specialty?
Dr. Brian Chan practices Infectious Disease Physician in Boston, MA.
Where does Dr. Brian Chan practice?
Dr. Brian Chan practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177268157.
What is Dr. Brian Chan's NPI?
Dr. Brian Chan's National Provider Identifier (NPI) is 1770541641, issued by NPPES.
Does Dr. Brian Chan accept Medicare assignment?
Yes. Dr. Brian Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Chan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.