Doctor profile · Federal record
Dr. Charles Liao, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Stanford, CA
- NPI 1891001079
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 17 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Dr, Grant S101
Stanford, CA 943052200
(650) 723-6961
fax (650) 725-8418
Credentials & registration
- NPI registered
- August 2010 — 16 yrs on file
- Profile last updated
- April 19, 2024
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A113343
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891001079. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
969
Distinct HCPCS
5
Medicare allowed
$136,445
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 648 | 192 | $137 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 152 | 146 | $200 | |
99238 |
Hospital discharge day management, 30 minutes or less | 113 | 108 | $95 | |
99239 |
Hospital discharge day management, more than 30 minutes | 34 | 34 | $134 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 22 | 11 | $91 |
In context: peer comparison
Among 95 peers in Stanford Internal Medicine Physician, average services per provider: 85. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
23
Patients
12
Total drug cost
$353
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 23 | 12 | $353 |
Hospital affiliations
Frequently asked questions
What is Dr. Charles Liao's medical specialty?
Dr. Charles Liao practices Internal Medicine Physician in Stanford, CA.
Where does Dr. Charles Liao practice?
Dr. Charles Liao practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507236961.
What is Dr. Charles Liao's NPI?
Dr. Charles Liao's National Provider Identifier (NPI) is 1891001079, issued by NPPES.
Does Dr. Charles Liao accept Medicare assignment?
Yes. Dr. Charles Liao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Liao commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.