David Chang, MD
Family Practice · Covington, WA · Seattle-Tacoma-Bellevue, WA · NPI 1720003114
David Chang, MD is in the public Medicare Part B data for 2020, 2021, 2022, 2023, 2024 (5 of 5 published years). A Physician Report can be prepared from this data.
Available data
| Data year | In the CMS file | Usable for a report | Peer group for ranks |
|---|---|---|---|
| 2020 | Yes | Yes | metro peers, 1,246 |
| 2021 | Yes | Yes | metro peers, 1,351 |
| 2022 | Yes | Yes | metro peers, 1,234 |
| 2023 | Yes | Yes | metro peers, 1,203 |
| 2024 | Yes | Yes | metro peers, 1,209 |
Years David Chang, MD is in the CMS Medicare Physician & Other Practitioners files. Ranks use same-specialty peers in the first of the metro, the state and the nation with at least 20 peers. How ranks are computed · Limitations
What the Physician Report contains
Included
- Exact Medicare payment figures for each data year
- Calculated Medicare fee-for-service work RVUs for each data year
- Historical results for every data year with usable data
- Peer comparisons: rank, percentile and rank band among the same specialty, the peer medians, and where the physician falls in the peer distribution
- Beneficiaries, services, service mix and code-level lines
- A printable report with the data years, methodology and limitations
Not included
- Other physicians' figures and ranks
- The market's cohort table, percentile table and market trend (the Market Comparison)
- Peer comparison flags (professional subscription, not sold)
Known limitations
- CMS suppresses code lines with fewer than 11 beneficiaries, so calculated work RVUs are a floor.
- Credentials
- MD
- Specialty on claims
- Family Practice
- Practice location on Medicare claims
- Covington, WASeattle-Tacoma-Bellevue, WA metroStreet address not shown unless the clinician turns it on.
- Medicare participation
- Participating (accepts assignment on all claims)
- Years in the data
- 2020, 2021, 2022, 2023, 2024 (5 of 5 published)
Groups
Hospitals
- Multicare Auburn Medical Center
- Multicare Covington Medical Center
- Tacoma General Allenmore Hospital
- Valley Medical Center
Source: CMS Doctors and Clinicians files, snapshot 2026-10-02. May lag reality.
Physicians can claim their page for notices and a statement. Claiming does not show figures; those are in a Physician Report.
Original Medicare Part B fee-for-service only. Payments go to the billing entity, not to the clinician. Limitations · Methodology