Doctor profile · Federal record
Dr. Mariana Liu, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Scottsdale, AZ
- NPI 1841523180
- Accepts Medicare
- MIPS 85.4 / 100 · 2023
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7534 E 2Nd St, 102
Scottsdale, AZ 852514548
(480) 607-3800
fax (480) 607-3808
Credentials & registration
- NPI registered
- September 2009 — 17 yrs on file
- Profile last updated
- January 25, 2016
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arizona #005187
- Medicaid
- AZ #476691
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841523180. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
905
Distinct HCPCS
6
Medicare allowed
$78,085
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 721 | 217 | $77 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 89 | 58 | $115 | |
99239 |
Hospital discharge day management, more than 30 minutes | 34 | 33 | $112 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 32 | 32 | $170 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $128 | |
99238 |
Hospital discharge day management, 30 minutes or less | 11 | 11 | $79 |
In context: peer comparison
Among 85 peers in this city , average services per provider: 120. This provider delivers 7.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
28
Patients
28
Total drug cost
$169
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 14 | 14 | $86 |
| Atorvastatin Calcium | Generic | 14 | 14 | $83 |
Hospital affiliations
Frequently asked questions
What is Dr. Mariana Liu's medical specialty?
Dr. Mariana Liu practices Internal Medicine Physician in Scottsdale, AZ.
Where does Dr. Mariana Liu practice?
Dr. Mariana Liu practices at 7534 E 2Nd St, Scottsdale, AZ 852514548. Office phone: 4806073800.
What is Dr. Mariana Liu's NPI?
Dr. Mariana Liu's National Provider Identifier (NPI) is 1841523180, issued by NPPES.
Does Dr. Mariana Liu accept Medicare assignment?
Yes. Dr. Mariana Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariana Liu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.