Chao-Ching Wu, M.D.
NPI 1619920527 · Internal Medicine Physician · Kirkland, WA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chao-Ching Wu, M.D. is a Internal Medicine Physician provider in Kirkland, WA (NPI 1619920527).
Provider details
- NPI number
- 1619920527
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD00036162 (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
20 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
351 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 | 117 | $139 |
| 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 | 78 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $97 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $143 |
| Administration of Pneumococcal VaccineG0009 | 32 | $36 |
| Initial Preventive Physical Examination; Face-To-Face Visit, Services Limited to New Beneficiary During the First 12 Months of Medicare Enrollment |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 255 | 77 |
| Levothyroxine Sodium | 221 | 60 |
| Losartan Potassium | 117 | 34 |
| Lisinopril | 74 | 22 |
| Hydrochlorothiazide | 70 | 20 |
| Amlodipine Besylate | 63 | 20 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2009-04-03
Frequently asked questions
- What is Chao-Ching Wu's NPI number?
- Chao-Ching Wu's National Provider Identifier (NPI) is 1619920527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chao-Ching Wu's specialty?
- Chao-Ching Wu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chao-Ching Wu located?
- Chao-Ching Wu's practice location on file with NPPES is 12710 Totem Lake Blvd Ne, Kirkland, WA 98034-2907.
- What is Chao-Ching Wu's phone number?
- The practice phone number listed in the NPPES registry for Chao-Ching Wu is (425) 821-4040.
- Does Chao-Ching Wu accept Medicare?
- Chao-Ching Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chao-Ching Wu's NPI active?
- Yes — Chao-Ching Wu's NPI (1619920527) is active in the NPPES registry as of the last update on 2009-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.