Doctor profile · Federal record
Dr. Gregory Chu, MD
Critical Care Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Phoenix, AZ
- NPI 1144297128
- Accepts Medicare
- MIPS 85.4 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1111 E McDowell RD
Phoenix, AZ 850062612
(602) 239-2217
fax (602) 239-2718 - Mailing address
-
1441 N 12Th St
Phoenix, AZ 850062837
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- October 16, 2009
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State license (1)
- Arizona #30499
- Medicaid
- AZ #940313
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144297128. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
135
Distinct HCPCS
2
Medicare allowed
$24,999
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 100 | 38 | $209 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 35 | 25 | $117 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 120. This provider delivers 1.1× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Gregory Chu's medical specialty?
Dr. Gregory Chu practices Critical Care Medicine (Internal Medicine) Physician in Phoenix, AZ.
Where does Dr. Gregory Chu practice?
Dr. Gregory Chu practices at 1111 E McDowell RD, Phoenix, AZ 850062612. Office phone: 6022392217.
What is Dr. Gregory Chu's NPI?
Dr. Gregory Chu's National Provider Identifier (NPI) is 1144297128, issued by NPPES.
Does Dr. Gregory Chu accept Medicare assignment?
Yes. Dr. Gregory Chu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Chu commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.