Physician
Tsai, Mark
Tsai, Mark was paid $47K by Medicaid between Jan 2018 and Nov 2024, across 16 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 45% of everything it billed.
33Billing provider infoTSAI, MARK
PARAMOUNT, CA 90723
PARAMOUNT, CA 90723
33aNPI1225033111assigned 06/16/2005
33bProvider typeInternal Medicine Physician
28Total paid$47K
24GClaims11,398
24DCodes billed16
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers
Next to other Internal Medicine Physician providers in California
Rank by total paid#887 of 2,679
Median peer was paid$13K
This provider vs. median3.7×
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 | |
|---|---|---|---|
| 2018 | 995 | $2K | |
| 2019 | 1,444 | $2K | |
| 2020 | 1,522 | $4K | |
| 2021 | 1,689 | $7K | |
| 2022 | 1,852 | $11K | |
| 2023 | 2,188 | $13K | |
| 2024incomplete | 1,708 | $9K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 45% | 4,335 | 4,187 | $21K |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | 26% | 3,690 | 3,352 | $12K |
| G2012 | Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m service provided within the previous 7 days nor leading to an e/m service or procedure within the next 24 hours or soonest available appointment; 5-10 minutes of medical discussion | 14% | 2,275 | 2,004 | $6K |
| 99396 | Periodic comprehensive preventive medicine reevaluation, established patient, 40-64 years | 6.9% | 250 | 246 | $3K |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | 2.7% | 53 | 52 | $1K |
| 90688 | 1.3% | 80 | 80 | $607.13 | |
| 90686 | 1.2% | 75 | 75 | $564.12 | |
| 90658 | 1.2% | 94 | 93 | $558.63 | |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | <1% | 374 | 374 | $444.44 |
| 90656 | <1% | 15 | 15 | $218.07 | |
| 36415 | Collection of venous blood by venipuncture | <1% | 15 | 13 | $105.00 |
| G0008 | Administration of influenza virus vaccine | <1% | 12 | 12 | $56.88 |
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.