Physician
Chang Medical, a Professional Corporation
Chang Medical, a Professional Corporation was paid $89K by Medicaid between Aug 2021 and Sep 2024, across 5 billing codes. Its largest line is 99233, hospital visit by a doctor, follow-up day (complex) — 66% of everything it billed.
33Billing provider infoCHANG MEDICAL, A PROFESSIONAL CORPORATION
MONTEREY PARK, CA 91754
MONTEREY PARK, CA 91754
33aNPI1609441070assigned 05/26/2021
33bProvider typePulmonary Disease Physician
28Total paid$89K
24GClaims4,170
24DCodes billed5
24AFirst – last monthAug 2021 – Sep 2024
Compared with peers
Next to other Pulmonary Disease Physician providers in California
Rank by total paid#94 of 225
Median peer was paid$53K
This provider vs. median1.7×
Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.
Box 24A · Dates of service
Paid by month
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
| Year | Claims | Paid | |
|---|---|---|---|
| 2021 | 154 | $2K | |
| 2022 | 1,270 | $39K | |
| 2023 | 1,535 | $34K | |
| 2024incomplete | 1,211 | $13K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99233 | Hospital visit by a doctor, follow-up day (complex)Prolong inpt eval add15 m | 66% | 3,164 | 860 | $59K |
| 99291 | Critical care, evaluation and management of the critically ill patient, first 30-74 minutes | 20% | 539 | 175 | $18K |
| 99223 | Prolong inpt eval add15 m | 7.0% | 105 | 101 | $6K |
| 99214 | Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity | 5.3% | 286 | 283 | $5K |
| 99232 | Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity | 1.3% | 76 | 12 | $1K |
Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.
From NPPES
Who's on the registration
Authorized officialCHANG, WILLIAM (OWNER)