Doctor profile · Federal record

Dr. Yun-Yun Chen, M.D.

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

  • NPI 1366898801
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
75 Francis St # Streetl1
Boston, MA 021156110
(617) 732-8210
Additional location
2401 W Belvedere Ave
Baltimore, MD 212155216
(410) 601-9386
Mailing address
75 Francis Street, Cwn L1
Boston, MA 02115

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Massachusetts #270473 · Maryland #P32556

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366898801. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
195
Distinct HCPCS
7
Medicare allowed
$17,196
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 97 50 $53
01996 Daily hospital management of continuous spinal drug administration 23 13 $66
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 19 11 $84
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 16 16 $135
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 16 16 $64
36620 Insertion of artery tube for blood sampling or infusion through skin 13 13 $46
01214 Anesthesia for total hip replacement 11 11 $473

In context: peer comparison

Among 267 peers in this city , average services per provider: 32. This provider delivers 6.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Yun-Yun Chen's medical specialty?
Dr. Yun-Yun Chen practices Anesthesiology Physician in Boston, MA.
Where does Dr. Yun-Yun Chen practice?
Dr. Yun-Yun Chen practices at 75 Francis St # Streetl1, Boston, MA 021156110. Office phone: 6177328210.
What is Dr. Yun-Yun Chen's NPI?
Dr. Yun-Yun Chen's National Provider Identifier (NPI) is 1366898801, issued by NPPES.
Does Dr. Yun-Yun Chen accept Medicare assignment?
Yes. Dr. Yun-Yun Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yun-Yun Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Daily hospital management of continuous spinal drug administration (HCPCS 01996); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.