Doctor profile · Federal record

Dr. Ruijun Chen, MD

Hospitalist Physician · Internal Medicine Physician · Hospitalist Physician · New York, NY

  • NPI 1619395225
  • MIPS 93.4 / 100 · 2023
  • 12 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
525 E 68Th St
New York, NY 100654870
(212) 746-4071
Additional location
505 Parnassus Ave
San Francisco, CA 941432204
(415) 476-1528
Additional location
100 N Academy Ave
Danville, PA 178229800
(570) 214-9585
Mailing address
525 E 68Th St # 331
New York, NY 100654870

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
March 10, 2023
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
New York #288983 · Pennsylvania #MD463314

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619395225. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
60
Distinct HCPCS
3
Medicare allowed
$9,333
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 21 $192
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 20 18 $126
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 19 19 $146

In context: peer comparison

Among 190 peers in New York Hospitalist Physician, average services per provider: 97. This provider delivers 0.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ruijun Chen's medical specialty?
Dr. Ruijun Chen practices Hospitalist Physician in New York, NY.
Where does Dr. Ruijun Chen practice?
Dr. Ruijun Chen practices at 525 E 68Th St, New York, NY 100654870. Office phone: 2127464071.
What is Dr. Ruijun Chen's NPI?
Dr. Ruijun Chen's National Provider Identifier (NPI) is 1619395225, issued by NPPES.
What procedures does Dr. Ruijun Chen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.