Doctor profile · Federal record
Dr. Clifford Liu, M.D.
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Anaheim, CA
- NPI 1831299528
- Accepts Medicare
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1801 W Romneya Dr, Suite 409
Anaheim, CA 928011830
(714) 772-8282
fax (714) 772-8252 - Additional location
-
2121 Santa Monica Blvd
Santa Monica, CA 904042303
(310) 453-1324
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 30, 2025
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A70044
- Medicaid
- CA #00A700440
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831299528. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
930
Distinct HCPCS
5
Medicare allowed
$101,043
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 461 | 185 | $83 | |
99239 |
Hospital discharge day management, more than 30 minutes | 175 | 166 | $121 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 126 | 124 | $137 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 113 | 52 | $125 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 55 | 55 | $183 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 306. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$474
Transactions
21
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | 4 | $99.26 | |
| PFIZER INC. | 4 | $98.95 | |
| Merck Sharp & Dohme LLC | 4 | $78.52 | |
| Janssen Pharmaceuticals, Inc | 4 | $73.82 | |
| Novartis Pharmaceuticals Corporation | 2 | $40.62 | |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 1 | $36.18 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $23.43 | |
| AIMMUNE THERAPEUTICS, INC. | 1 | $23.01 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
459
Patients
314
Total drug cost
$21,324
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefpodoxime Proxetil | Generic | 64 | 64 | $3,303 |
| Furosemide | Generic | 57 | 32 | $204 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 42 | 42 | $456 |
| Potassium Chloride | Generic | 35 | 20 | $383 |
| Atorvastatin Calcium | Generic | 32 | 16 | $215 |
| Metoprolol Tartrate | Generic | 29 | 21 | $213 |
| Eliquis (Apixaban) | Brand | 28 | 14 | $14,909 |
| Amlodipine Besylate | Generic | 26 | 17 | $128 |
| Carvedilol | Generic | 26 | 12 | $172 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 25 | 25 | $180 |
Frequently asked questions
What is Dr. Clifford Liu's medical specialty?
Dr. Clifford Liu practices Hospitalist Physician in Anaheim, CA.
Where does Dr. Clifford Liu practice?
Dr. Clifford Liu practices at 1801 W Romneya Dr, Anaheim, CA 928011830. Office phone: 7147728282.
What is Dr. Clifford Liu's NPI?
Dr. Clifford Liu's National Provider Identifier (NPI) is 1831299528, issued by NPPES.
Does Dr. Clifford Liu accept Medicare assignment?
Yes. Dr. Clifford Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clifford Liu 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 straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.