Powell Shiau, DC
Overview
| NPI | 1497411458 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DC |
| Sole proprietor | No |
| NPI issued | Nov 15, 2021 |
| Last updated in NPPES | Sep 18, 2025 |
| Certified by provider | Sep 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Chiropractor Primary | 111N00000X | CH21000002 | DC |
| Acupuncturist | 171100000X | CH21000002 | DC |
License numbers are self-reported to NPPES. Confirm current standing with the state licensing board.
Exclusion screening
HHS-OIG exclusion list (LEIE)
No match on the HHS-OIG List of Excluded Individuals/Entities (list dated Oct 9, 2026), by NPI or by name and state.
Other exclusion lists
| List | Result | Details |
|---|---|---|
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Always confirm with the official OIG search, which can verify identity with an SSN or EIN. Need to screen a whole roster? Run a bulk check.
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Chiropractic (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 104 across 2 procedure codes |
| Paid by Medicare | $2,871 |
CMS public files: Medicare enrollment (Oct 1, 2026), opt-out list, and fee-for-service provider summaries for 2024. Counts under 11 are suppressed by CMS.
Education and affiliations
| Medical school | Palmer College Chiropractic - Davenport |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Chiropractic |
From CMS Care Compare (Doctors and Clinicians national file and facility affiliations).
Industry payments (Open Payments)
No payments from drug or medical device companies were reported for this provider in 2025 or 2024.
Open Payments is the federal program in which drug and device makers report payments to clinicians: meals, travel, speaking and consulting fees, education and research. Receiving payments does not imply wrongdoing. Source: CMS Open Payments general payments, program years 2025 and 2024. Search the original records atopenpaymentsdata.cms.gov.
Other Chiropractor providers in Washington
- 1508018839
- 1770750713
- 1790163707
- 1053996413
- 1962906867
- 1396752440
- 1467118216
- 1356171466
- 1255876959
- 1174834600
- 1881818060
- 1851644652
Source: CMS NPPES public data file of Nov 2, 2026; HHS-OIG LEIE. NPI Lens is not affiliated with CMS or HHS.