Doctor profile · Federal record

Dr. Harrison Chen, DO

Internal Medicine Physician (CMS: Internal Medicine) · Arcadia, CA

  • NPI 1841829793
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 W Huntington Dr Rm No52
Arcadia, CA 910073402
(265) 743-4426

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
July 21, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #20A19990

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841829793. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
533
Distinct HCPCS
5
Medicare allowed
$63,411
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 317 98 $125
99497 Advance care planning, first 30 minutes 90 85 $80
99239 Hospital discharge day management, more than 30 minutes 69 67 $121
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 35 33 $182
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 22 16 $83

In context: peer comparison

Among 25 peers in this city , average services per provider: 136. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$157
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $156.59

By nature of payment

Food and Beverage
$157

Frequently asked questions

Auto-generated from federal data
What is Dr. Harrison Chen's medical specialty?
Dr. Harrison Chen practices Internal Medicine Physician in Arcadia, CA.
Where does Dr. Harrison Chen practice?
Dr. Harrison Chen practices at 300 W Huntington Dr Rm No52, Arcadia, CA 910073402. Office phone: 2657434426.
What is Dr. Harrison Chen's NPI?
Dr. Harrison Chen's National Provider Identifier (NPI) is 1841829793, issued by NPPES.
Does Dr. Harrison Chen accept Medicare assignment?
Yes. Dr. Harrison Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harrison Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Advance care planning (HCPCS 99497); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.