WARREN CHANG, MD
Nephrology Physician · DALY CITY, CA
Individual Active NPI 1083674550
Medicare payment data Part B · 2024
| Year | Beneficiaries | Services | Submitted | Allowed | Paid |
|---|---|---|---|---|---|
| 2024 | 448 | 2,392 | $662,626 | $313,692 | $237,697 |
| 2023 | 410 | 1,543 | $580,281 | $264,134 | $199,064 |
| 2022 | 438 | 1,773 | $634,362 | $280,581 | $210,467 |
Top procedures (2024)
| HCPCS | Description | Services | Avg allowed | Avg paid |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 407 | $150 | $105 |
| G2211 | Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | 380 | $18 | $14 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 275 | $87 | $68 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 208 | $132 | $102 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 162 | $400 | $310 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 118 | $74 | $59 |
| 99291 | Critical care, first 30-74 minutes | 117 | $230 | $181 |
| 90935 | Hemodialysis procedure with physician evaluation | 107 | $78 | $62 |
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 80 | $58 | $46 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 70 | $192 | $142 |
| 99215 | Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | 48 | $213 | $149 |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | 47 | $334 | $266 |
Taxonomy & licensure
| Specialty | Code | Primary | License | State |
|---|---|---|---|---|
| Nephrology Physician | 207RN0300X | ✓ | AG9500 | CA |
Medicare eligibility
- Part B
- Yes
- DME
- Yes
- Home health
- Yes
- Power mobility
- Yes
- Hospice
- Yes
Other Nephrology Physician providers in California
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- NPI 1760443725
- NPI 1053371559
Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.