Doctor profile · Federal record
Dr. Andrew Diaz, DO
Hospitalist Physician (CMS: Hospitalist) · Huntley, IL
- NPI 1255951786
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 6 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
10400 Haligus RD
Huntley, IL 601429553
(815) 759-4323
fax (815) 759-4948 - Additional location
-
530 Ne Glen Oak Ave
Peoria, IL 616370001
(309) 655-2000 - Mailing address
-
530 Ne Glen Oak Ave Bldg 5676
Peoria, IL 616370001
Credentials & registration
- NPI registered
- April 2020 — 6 yrs on file
- Profile last updated
- November 22, 2023
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Illinois #036164669
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255951786. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
484
Distinct HCPCS
5
Medicare allowed
$42,884
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 322 | 140 | $77 | |
99239 |
Hospital discharge day management, more than 30 minutes | 93 | 91 | $112 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 32 | 32 | $127 | |
99238 |
Hospital discharge day management, 30 minutes or less | 20 | 20 | $78 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 17 | 11 | $116 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 123. This provider delivers 3.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
37
Patients
0
Total drug cost
$363
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 13 | 0 | $90 |
| Furosemide | Generic | 12 | 0 | $73 |
| Gabapentin | Generic | 12 | 0 | $199 |
Frequently asked questions
What is Dr. Andrew Diaz's medical specialty?
Dr. Andrew Diaz practices Hospitalist Physician in Huntley, IL.
Where does Dr. Andrew Diaz practice?
Dr. Andrew Diaz practices at 10400 Haligus RD, Huntley, IL 601429553. Office phone: 8157594323.
What is Dr. Andrew Diaz's NPI?
Dr. Andrew Diaz's National Provider Identifier (NPI) is 1255951786, issued by NPPES.
Does Dr. Andrew Diaz accept Medicare assignment?
Yes. Dr. Andrew Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Diaz 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.