Derek Yee, MD
NPI 1104404557 · Hospitalist Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Yee, MD is a Hospitalist Physician provider in Seattle, WA (NPI 1104404557).
Provider details
- NPI number
- 1104404557
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD61515246 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
150 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 51 | $119 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 48 | $83 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 27 | $182 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 24 | $119 |
Typical Medicare-allowed amounts for these services range $83–$182 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 23 |
| Pantoprazole Sodium | 17 |
| Apixabanbrand: Eliquis | 15 |
| Metformin Hcl | 15 |
| Furosemide | 14 |
| Tamsulosin Hcl | 13 |
| Amlodipine Besylate | 12 |
| Empagliflozinbrand: Jardiance | 12 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-29
- Last updated
- 2024-09-27
- Certified
- 2024-09-27
Frequently asked questions
- What is Derek Yee's NPI number?
- Derek Yee's National Provider Identifier (NPI) is 1104404557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Yee's specialty?
- Derek Yee is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Yee located?
- Derek Yee's practice location on file with NPPES is 925 Seneca St, Seattle, WA 98101-2742.
- What is Derek Yee's phone number?
- The practice phone number listed in the NPPES registry for Derek Yee is (206) 341-0860.
- Does Derek Yee accept Medicare?
- Derek Yee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Yee's NPI active?
- Yes — Derek Yee's NPI (1104404557) is active in the NPPES registry as of the last update on 2024-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.