Doctor profile · Federal record
Dr. Christopher Chen, MD
Medical Oncology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Hematology (Internal Medicine) Physician · Stanford, CA
- NPI 1467865527
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 12 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
Massachusetts General Hospital, 55 Fruit Street
Boston, MA 02114
(617) 726-2865
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Profile last updated
- April 17, 2024
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State licenses (2)
- California #A169072 · Massachusetts #L-260076
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1467865527. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
383
Distinct HCPCS
7
Medicare allowed
$53,423
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 164 | 75 | $166 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 54 | 41 | $113 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 54 | 21 | $91 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 42 | 42 | $209 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 40 | 18 | $56 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 16 | $149 | |
99239 |
Hospital discharge day management, more than 30 minutes | 12 | 12 | $134 |
In context: peer comparison
Among 27 peers in Stanford Medical Oncology Physician, average services per provider: 634. This provider delivers 0.6× the peer median.Open Payments
Industry payments received
All-time total
$1,635
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Scientific Affairs, LLC | 1 | $1,635.00 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Christopher Chen's medical specialty?
Dr. Christopher Chen practices Medical Oncology Physician in Stanford, CA.
Where does Dr. Christopher Chen practice?
Dr. Christopher Chen practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Christopher Chen's NPI?
Dr. Christopher Chen's National Provider Identifier (NPI) is 1467865527, issued by NPPES.
Does Dr. Christopher Chen accept Medicare assignment?
Yes. Dr. Christopher Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.