Doctor profile · Federal record

Dr. Jiayan Chen, M.D., PH.D.

Internal Medicine Physician (CMS: Hospitalist) · Glen Burnie, MD

  • NPI 1659665321
  • Accepts Medicare
  • MIPS 72.4 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
301 Hospital Dr
Glen Burnie, MD 210615803
(410) 787-4000
fax (410) 595-1933
Additional location
6565 N Charles St Ste 203
Baltimore, MD 212045805
(443) 849-3760
fax (443) 849-8138
Mailing address
6565 N Charles St Ste 203
Baltimore, MD 212045805

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
April 22, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D0079137

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659665321. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,399
Distinct HCPCS
4
Medicare allowed
$171,173
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 994 383 $126
99239 Hospital discharge day management, more than 30 minutes 278 273 $122
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 115 58 $84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $184

In context: peer comparison

Among 25 peers in Glen Burnie Internal Medicine Physician, average services per provider: 125. This provider delivers 11× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jiayan Chen's medical specialty?
Dr. Jiayan Chen practices Internal Medicine Physician in Glen Burnie, MD.
Where does Dr. Jiayan Chen practice?
Dr. Jiayan Chen practices at 301 Hospital Dr, Glen Burnie, MD 210615803. Office phone: 4107874000.
What is Dr. Jiayan Chen's NPI?
Dr. Jiayan Chen's National Provider Identifier (NPI) is 1659665321, issued by NPPES.
Does Dr. Jiayan Chen accept Medicare assignment?
Yes. Dr. Jiayan Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jiayan Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.