Gene Liaw, M.D.
NPI 1427231323 · General Practice Physician · Seattle, WA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gene Liaw, M.D. is a General Practice Physician provider in Seattle, WA (NPI 1427231323).
Provider details
- NPI number
- 1427231323
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00022484 (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
18 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
244 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 67 | $141 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 57 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $101 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 23 | $17 |
| Ultrasound Study of Arm and Leg Arteries93922 | 19 | $93 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 283 | 79 |
| Losartan Potassium | 267 | 74 |
| Amlodipine Besylate | 259 | 69 |
| Rosuvastatin Calcium | 183 | 51 |
| Metoprolol Succinate | 166 | 42 |
| Metformin Hcl | 141 | 41 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-13
- Last updated
- 2014-04-22
Frequently asked questions
- What is Gene Liaw's NPI number?
- Gene Liaw's National Provider Identifier (NPI) is 1427231323, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gene Liaw's specialty?
- Gene Liaw is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Gene Liaw located?
- Gene Liaw's practice location on file with NPPES is 662 S Jackson St, Seattle, WA 98104-2929.
- What is Gene Liaw's phone number?
- The practice phone number listed in the NPPES registry for Gene Liaw is (206) 623-0733.
- Does Gene Liaw accept Medicare?
- Gene Liaw is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gene Liaw's NPI active?
- Yes — Gene Liaw's NPI (1427231323) is active in the NPPES registry as of the last update on 2014-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.