Doctor profile · Federal record

Dr. Karen Jiang

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

  • NPI 1801138987
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Francis St
Boston, MA 021156110
(617) 278-0055

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
July 27, 2016
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #265815

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801138987. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
631
Distinct HCPCS
4
Medicare allowed
$71,097
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 248 158 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 226 123 $126
99239 Hospital discharge day management, more than 30 minutes 118 111 $123
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 39 39 $184

In context: peer comparison

Among 547 peers in Boston Internal Medicine Physician, average services per provider: 81. This provider delivers 7.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Jiang's medical specialty?
Dr. Karen Jiang practices Internal Medicine Physician in Boston, MA.
Where does Dr. Karen Jiang practice?
Dr. Karen Jiang practices at 75 Francis St, Boston, MA 021156110. Office phone: 6172780055.
What is Dr. Karen Jiang's NPI?
Dr. Karen Jiang's National Provider Identifier (NPI) is 1801138987, issued by NPPES.
Does Dr. Karen Jiang accept Medicare assignment?
Yes. Dr. Karen Jiang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Jiang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.