WILLIAM CHANG, MD
Critical Care Medicine (Internal Medicine) Physician · MONTEREY PARK, CA
Individual Active NPI 1003236688
Medicare payment data Part B · 2024
| Year | Beneficiaries | Services | Submitted | Allowed | Paid |
|---|---|---|---|---|---|
| 2024 | 801 | 4,058 | $1,324,456 | $534,817 | $420,614 |
| 2023 | 965 | 4,663 | $1,603,412 | $648,275 | $510,387 |
| 2022 | 851 | 4,668 | $1,587,579 | $615,079 | $480,031 |
Top procedures (2024)
| HCPCS | Description | Services | Avg allowed | Avg paid |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 2,107 | $122 | $97 |
| 99291 | Critical care, first 30-74 minutes | 636 | $217 | $172 |
| 99214 | Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 261 | $138 | $102 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 209 | $81 | $65 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 147 | $179 | $142 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 131 | $138 | $101 |
| 94060 | Test to measure expiratory airflow and volume changes before and after medication administration | 104 | $44 | $34 |
| 94727 | Test to determine lung volumes using gas dilution or washout | 103 | $51 | $40 |
| 94729 | Test to examine how well the lungs exchange gases | 103 | $65 | $51 |
| 99204 | New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | 54 | $179 | $122 |
| 76937 | Ultrasonic guidance for blood vessel access | 27 | $14 | $11 |
| 94664 | Evaluation of use of breathing device | 25 | $21 | $16 |
Taxonomy & licensure
| Specialty | Code | Primary | License | State |
|---|---|---|---|---|
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | ✓ | A140305 | CA |
| Pulmonary Disease Physician | 207RP1001X | A140305 | CA |
Medicare eligibility
- Part B
- Yes
- DME
- Yes
- Home health
- Yes
- Power mobility
- Yes
- Hospice
- Yes
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Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.