Doctor profile · Federal record
Dr. Jonathan Chen, MD, PHD
Internal Medicine Physician (CMS: Internal Medicine) · Stanford, CA
- NPI 1619268372
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 725-3655 - Mailing address
-
1804 Embarcadero RD, Ste 100
Palo Alto, CA 943033341
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- September 19, 2016
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A122045
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619268372. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
286
Distinct HCPCS
4
Medicare allowed
$32,357
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 186 | 60 | $91 | |
99239 |
Hospital discharge day management, more than 30 minutes | 47 | 45 | $134 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 39 | 37 | $200 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 14 | 13 | $94 |
In context: peer comparison
Among 95 peers in Stanford Internal Medicine Physician, average services per provider: 85. This provider delivers 3.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
0
Total drug cost
$4,773
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ertapenem (Ertapenem Sodium) | Brand | 13 | 0 | $4,773 |
Hospital affiliations
Frequently asked questions
What is Dr. Jonathan Chen's medical specialty?
Dr. Jonathan Chen practices Internal Medicine Physician in Stanford, CA.
Where does Dr. Jonathan Chen practice?
Dr. Jonathan Chen practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507253655.
What is Dr. Jonathan Chen's NPI?
Dr. Jonathan Chen's National Provider Identifier (NPI) is 1619268372, issued by NPPES.
Does Dr. Jonathan Chen accept Medicare assignment?
Yes. Dr. Jonathan Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.