Physician
Chang, Tien-Lan
Chang, Tien-Lan was paid $630K by Medicaid between Jan 2018 and Mar 2023, across 29 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 31% of everything it billed.
33Billing provider infoCHANG, TIEN-LAN
MALDEN, MA 02148
MALDEN, MA 02148
33aNPI1255313771assigned 11/18/2005
33bProvider typePediatrics Physician
28Total paid$630K
24GClaims18,538
24DCodes billed29
24AFirst – last monthJan 2018 – Mar 2023
Compared with peers
Next to other Pediatrics Physician providers in Massachusetts
Rank by total paid#122 of 1,273
Median peer was paid$24K
This provider vs. median26×
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 | 3,609 | $112K | |
| 2019 | 4,560 | $149K | |
| 2020 | 3,469 | $112K | |
| 2021 | 2,908 | $102K | |
| 2022 | 3,356 | $130K | |
| 2023 | 636 | $25K |
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 | 31% | 3,376 | 3,195 | $197K |
| 90460 | Immunization administration through 18 years of age via any route, first or only component | 21% | 4,379 | 3,643 | $132K |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 9.0% | 678 | 678 | $57K |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | 6.7% | 506 | 506 | $42K |
| 90461 | 4.7% | 868 | 867 | $30K | |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | 4.7% | 372 | 367 | $30K |
| S0302 | Completed early periodic screening diagnosis and treatment (epsdt) service (list in addition to code for appropriate evaluation and management service) | 4.4% | 3,054 | 3,042 | $28K |
| 99050 | 3.7% | 1,391 | 1,345 | $23K | |
| 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 | 3.4% | 244 | 235 | $22K |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | 2.9% | 198 | 198 | $18K |
| 96110 | Developmental screening, with scoring and documentation, per standardized instrument | 2.1% | 1,241 | 1,241 | $13K |
| 92551 | <1% | 594 | 592 | $5K |
17 more codes
| 99173 | <1% | 239 | $5K | |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | <1% | 134 | $5K |
| 87635 | Infectious agent detection by nucleic acid; SARS-CoV-2 (COVID-19), amplified probe | <1% | 92 | $5K |
| 87502 | Infectious agent detection by nucleic acid, influenza virus, for multiple types or subtypes, includes all targets | <1% | 49 | $4K |
| 0071A | <1% | 67 | $3K | |
| 85025 | Blood count; complete (CBC), automated, and automated differential WBC count | <1% | 379 | $3K |
| 36416 | <1% | 241 | $2K | |
| 0072A | <1% | 45 | $2K | |
| 87804 | Infectious agent antigen detection by immunoassay; Influenza, each type | <1% | 93 | $1K |
| 83655 | <1% | 80 | $999.20 | |
| 90691 | <1% | 15 | $834.75 | |
| G2023 | Specimen collection for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), any specimen source | <1% | 24 | $563.28 |
| 87880 | Infectious agent antigen detection by immunoassay; Streptococcus, group A | <1% | 25 | $295.25 |
| 87426 | Infectious agent antigen detection, SARS-CoV-2 (COVID-19) | <1% | 24 | $262.80 |
| 85018 | <1% | 91 | $194.32 | |
| 86580 | <1% | 25 | $159.50 | |
| 99174 | <1% | 14 | $64.26 |
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.