Doctor profile · Federal record
Dr. Benjamin Chen, MD
Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Internal Medicine Physician · Infectious Disease Physician · Portland, OR
- NPI 1396236527
- Accepts Medicare
- MIPS 76.4 / 100 · 2023
- 8 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-4971
fax (503) 494-4264 - Additional location
-
Division of Infectious Diseases, 11234 Anderson Street Mc 1503
Loma Linda, CA 923542804
(909) 558-5945 - Additional location
-
200 Hawkins Dr, Dept of Internal Medicine
Iowa City, IA 522421009
(319) 467-2000
fax (319) 384-8955
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- July 16, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State licenses (3)
- Oregon #MD225247 · Iowa #R-11134 · California #A174229
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396236527. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
84
Distinct HCPCS
4
Medicare allowed
$9,463
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 36 | 35 | $132 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 19 | 13 | $121 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 16 | 16 | $84 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 13 | 12 | $81 |
In context: peer comparison
Among 28 peers in Portland Infectious Disease Physician, average services per provider: 42. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$49
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| La Jolla Pharmaceutical Company | 1 | $49.40 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Benjamin Chen's medical specialty?
Dr. Benjamin Chen practices Infectious Disease Physician in Portland, OR.
Where does Dr. Benjamin Chen practice?
Dr. Benjamin Chen practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034944971.
What is Dr. Benjamin Chen's NPI?
Dr. Benjamin Chen's National Provider Identifier (NPI) is 1396236527, issued by NPPES.
Does Dr. Benjamin Chen accept Medicare assignment?
Yes. Dr. Benjamin Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Chen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.