Joseph Zhao, MD
NPI 1558545087ActiveIndividual· Internal Medicine, Nephrology· Chandler, AZ
Internal Medicine, Nephrology (MD) in Chandler, Arizona, trained at Morehouse School of Medicine (class of 2007). In 2024 Medicare paid $134,041 for 429 patients, and Part D covered 512 of their prescriptions, 80% of them generic. Amgen Inc. was the largest of 14 companies reporting payments in 2025, $1,694 in all, mostly food and beverage.
Overview
| NPI | 1558545087 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 19, 2007 |
| Last updated in NPPES | Jun 4, 2026 |
| Certified by provider | Jun 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 47257 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 429 |
|---|---|
| Services billed | 1,419 across 29 procedure codes |
| Paid by Medicare | $134,041 |
Part D prescriptions in 2024
| Prescriptions (claims) | 512 · 1,064 30-day fills |
|---|---|
| Patients | 116 |
| Total drug cost | $93,832 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Morehouse School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Akdhc LLCGlendale, AZ · 129 clinicians
Hospital affiliations
- Banner Baywood Medical CenterMesa, AZ
- Banner Gateway Medical CenterGilbert, AZ
- Banner Ocotillo Medical CenterChandler, AZ
- Chandler Regional Medical CenterChandler, AZ
- Mercy Gilbert Medical CenterGilbert, AZ
Other facilities
- 032539 Mesa Dialysis Center (Fmc)Dialysis facility · Gilbert, AZ
- 032610 Southeast Valley Dialysis (Fmc)Dialysis facility · Queen Creek, AZ
- Davita Central Mesa Dialysis CenterDialysis facility · Mesa, AZ
- Dignity Health East Valley Rehabilitation HospitalInpatient rehabilitation facility · Chandler, AZ
Industry payments (Open Payments)
- 2025$1,694 · 69 payments from 14 companies
- 2024$1,494 · 58 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $351.12 | 13 |
| Otsuka America Pharmaceutical, Inc. | $279.47 | 12 |
| Mallinckrodt Hospital Products Inc. | $218.51 | 7 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | $155.01 | 3 |
| Opko Pharmaceuticals, LLC | $123.32 | 6 |
What the 2025 payments were for
- Food and Beverage$1,472 · 59 payments
- Education$221.69 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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