Sidney H. Allison, MD
NPI 1275893752ActiveIndividual· Internal Medicine· Seattle, WA
Internal Medicine (MD) with Swedish Health Services and 4 other groups, practicing in Seattle, Washington. Mostly services rather than prescriptions: Medicare paid $36,108 for 156 patients in 2024, with only 34 Part D claims. Lists Swedish Issaquah and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1275893752 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 18, 2012 |
| Last updated in NPPES | Feb 10, 2026 |
| Certified by provider | Feb 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD60476243 | WA |
| Hospitalist | 208M00000X | MD60476243 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| 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 | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA); Practitioner - Internal Medicine (TX); Practitioner - Hospitalist (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 350 across 11 procedure codes |
| Paid by Medicare | $36,108 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 35 30-day fills |
|---|---|
| Total drug cost | $4,200 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Swedish Health ServicesSeattle, WA · 1,037 clinicians
- University of California Sfgh Medical GroupSan Francisco, CA · 587 clinicians
- Valley Medical Group-RentonCovington, WA · 411 clinicians
- American Specialty Physicians Group IncColusa, CA · 100 clinicians
- San Francisco Unified Physicians Group, IncSan Francisco, CA · 19 clinicians
Hospital affiliations
- Swedish IssaquahIssaquah, WA
- Swedish Medical CenterSeattle, WA
- Swedish Medical Center / Cherry HillSeattle, WA
- Valley Medical CenterRenton, WA
- Zuckerberg San Francisco General Hosp & Trauma CtrSan Francisco, CA
Other facilities
- Kentfield HospitalLong-term care hospital · Kentfield, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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