Doctor profile · Federal record
Dr. Timothy Liu, M.D., M.S.
Internal Medicine Physician · Kentfield, CA
- NPI 1134495450
- 14 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1125 Sir Francis Drake Blvd
Kentfield, CA 949041418
(415) 456-9680 - Mailing address
-
601 van Ness Ave Ste E3619
San Francisco, CA 941023200
Credentials & registration
- NPI registered
- March 2012 — 14 yrs on file
- Profile last updated
- July 12, 2023
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A128408
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134495450. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
767
Distinct HCPCS
4
Medicare allowed
$87,647
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 390 | 48 | $133 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 337 | 42 | $88 | |
99239 |
Hospital discharge day management, more than 30 minutes | 22 | 20 | $129 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 18 | 16 | $193 |
In context: peer comparison
Among 2 peers in Kentfield Internal Medicine Physician, average services per provider: 174. This provider delivers 4.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
726
Patients
380
Total drug cost
$10,871
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 169 | 83 | $2,631 |
| Levothyroxine Sodium | Generic | 74 | 43 | $1,828 |
| Amlodipine Besylate | Generic | 68 | 39 | $857 |
| Losartan Potassium | Generic | 52 | 30 | $654 |
| Atenolol | Generic | 48 | 23 | $626 |
| Lisinopril | Generic | 45 | 25 | $619 |
| Hydrochlorothiazide | Generic | 40 | 18 | $449 |
| Famotidine | Generic | 38 | 19 | $506 |
| Trazodone Hcl | Generic | 34 | 19 | $515 |
| Alendronate Sodium | Generic | 32 | 14 | $323 |
Frequently asked questions
What is Dr. Timothy Liu's medical specialty?
Dr. Timothy Liu practices Internal Medicine Physician in Kentfield, CA.
Where does Dr. Timothy Liu practice?
Dr. Timothy Liu practices at 1125 Sir Francis Drake Blvd, Kentfield, CA 949041418. Office phone: 4154569680.
What is Dr. Timothy Liu's NPI?
Dr. Timothy Liu's National Provider Identifier (NPI) is 1134495450, issued by NPPES.
What procedures does Dr. Timothy Liu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.