Doctor profile · Federal record
Dr. Anne Liu, M.D.
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Internal Medicine Physician · Internal Medicine Physician · Infectious Disease Physician · Palo Alto, CA
- NPI 1821044314
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 22 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
725 Welch RD
Palo Alto, CA 943041601
(650) 497-8000 - Additional location
-
269 Campus Dr, Ccsr 3215, Mc 5366
Stanford, CA 943055101
(650) 498-6073
fax (650) 498-5560 - Additional location
-
730 Welch RD, 1St Floor, Immunology/Allergy Clinic
Palo Alto, CA 943041503
(650) 723-0290
fax (650) 497-8839
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- April 19, 2024
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State licenses (2)
- California #A123427 · Massachusetts #227883
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821044314. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
317
Distinct HCPCS
10
Medicare allowed
$44,176
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 107 | 41 | $137 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 49 | 21 | $166 | |
Q3014 |
Telehealth originating site facility fee | 29 | 16 | $28 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 27 | 19 | $91 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 26 | 26 | $200 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 20 | 14 | $147 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 18 | 11 | $208 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 14 | $112 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $207 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $148 |
In context: peer comparison
Among 1 peers in Palo Alto Allergy & Immunology Physician, average services per provider: 31. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$5,426
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pharming Healthcare, INC. | 3 | $5,258.20 | |
| Grifols USA, LLC | 1 | $167.42 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
49
Patients
0
Total drug cost
$180,768
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hizentra (Immun Glob G(Igg)/Pro/Iga 0-50) | Brand | 14 | 0 | $102,817 |
| Cefadroxil | Generic | 12 | 0 | $222 |
| Cuvitru (Immun Glob G(Igg)/Gly/Iga Ov50) | Brand | 12 | 0 | $77,588 |
| Penicillin V Potassium | Generic | 11 | 0 | $141 |
Hospital affiliations
Frequently asked questions
What is Dr. Anne Liu's medical specialty?
Dr. Anne Liu practices Allergy & Immunology Physician in Palo Alto, CA.
Where does Dr. Anne Liu practice?
Dr. Anne Liu practices at 725 Welch RD, Palo Alto, CA 943041601. Office phone: 6504978000.
What is Dr. Anne Liu's NPI?
Dr. Anne Liu's National Provider Identifier (NPI) is 1821044314, issued by NPPES.
Does Dr. Anne Liu accept Medicare assignment?
Yes. Dr. Anne Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anne Liu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); Telehealth originating site facility fee (HCPCS Q3014). Source: CMS Medicare Physician & Other Practitioners file.