Doctor profile · Federal record
Dr. Joanne Zhiwen Zhu, M.D.
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Marietta, GA
- NPI 1023036944
- Accepts Medicare
- MIPS 90.2 / 100 · 2023
- 24 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
677 Church St Ne # 111
Marietta, GA 300601101
(770) 793-7750
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- October 16, 2019
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Georgia #056253
- Medicaid
- GA #784734314A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023036944. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
515
Distinct HCPCS
5
Medicare allowed
$57,860
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 328 | 151 | $120 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 79 | 54 | $80 | |
99239 |
Hospital discharge day management, more than 30 minutes | 70 | 68 | $115 | |
99238 |
Hospital discharge day management, 30 minutes or less | 25 | 25 | $81 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $174 |
In context: peer comparison
Among 28 peers in this city , average services per provider: 185. This provider delivers 2.8× the peer median.Open Payments
Industry payments received
All-time total
$186
Transactions
8
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 2 | $43.32 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 2 | $41.97 | |
| Janssen Pharmaceuticals, Inc | 1 | $32.30 | |
| Xeris Pharmaceuticals, Inc. | 1 | $23.64 | |
| Merck Sharp & Dohme LLC | 1 | $22.83 | |
| GENZYME CORPORATION | 1 | $21.55 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Joanne Zhiwen Zhu's medical specialty?
Dr. Joanne Zhiwen Zhu practices Hospitalist Physician in Marietta, GA.
Where does Dr. Joanne Zhiwen Zhu practice?
Dr. Joanne Zhiwen Zhu practices at 677 Church St Ne # 111, Marietta, GA 300601101. Office phone: 7707937750.
What is Dr. Joanne Zhiwen Zhu's NPI?
Dr. Joanne Zhiwen Zhu's National Provider Identifier (NPI) is 1023036944, issued by NPPES.
Does Dr. Joanne Zhiwen Zhu accept Medicare assignment?
Yes. Dr. Joanne Zhiwen Zhu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joanne Zhiwen Zhu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.