Doctor profile · Federal record
Dr. Gene Chung, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Stanford, CA
- NPI 1467659771
- Accepts Medicare
- 19 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
-
25 N Winfield RD
Winfield, IL 601901295
(630) 933-4700
fax (630) 933-4427
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- April 18, 2024
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #C171960 · Illinois #125053543
- Medicaid
- IL #036126248
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1467659771. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
544
Distinct HCPCS
6
Medicare allowed
$58,518
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 340 | 125 | $89 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 63 | 62 | $147 | |
99239 |
Hospital discharge day management, more than 30 minutes | 57 | 57 | $131 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 43 | 24 | $130 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 21 | $190 | |
99238 |
Hospital discharge day management, 30 minutes or less | 20 | 20 | $93 |
In context: peer comparison
Among 95 peers in Stanford Internal Medicine Physician, average services per provider: 85. This provider delivers 6.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$62
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 11 | 0 | $62 |
Hospital affiliations
Frequently asked questions
What is Dr. Gene Chung's medical specialty?
Dr. Gene Chung practices Internal Medicine Physician in Stanford, CA.
Where does Dr. Gene Chung practice?
Dr. Gene Chung practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Gene Chung's NPI?
Dr. Gene Chung's National Provider Identifier (NPI) is 1467659771, issued by NPPES.
Does Dr. Gene Chung accept Medicare assignment?
Yes. Dr. Gene Chung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gene Chung commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.