Doctor profile · Federal record

Dr. Lei Jia Chen, MD

Hospitalist Physician (CMS: Hospitalist) · Baltimore, MD

  • NPI 1144422049
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 S Greene St, Medicine, N3E09
Baltimore, MD 212011544
(410) 328-6110
fax (410) 328-7607
Mailing address
Po Box 64442
Baltimore, MD 212644442

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
November 21, 2011
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Maryland #D71215
Medicaid
MD #510436000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144422049. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
278
Distinct HCPCS
5
Medicare allowed
$35,401
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 86 52 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 79 49 $124
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 73 73 $182
99239 Hospital discharge day management, more than 30 minutes 21 21 $117
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 19 19 $138

In context: peer comparison

Among 51 peers in Baltimore Hospitalist Physician, average services per provider: 125. This provider delivers 2.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Lei Jia Chen's medical specialty?
Dr. Lei Jia Chen practices Hospitalist Physician in Baltimore, MD.
Where does Dr. Lei Jia Chen practice?
Dr. Lei Jia Chen practices at 22 S Greene St, Baltimore, MD 212011544. Office phone: 4103286110.
What is Dr. Lei Jia Chen's NPI?
Dr. Lei Jia Chen's National Provider Identifier (NPI) is 1144422049, issued by NPPES.
Does Dr. Lei Jia Chen accept Medicare assignment?
Yes. Dr. Lei Jia Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lei Jia Chen 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.