Clark Kwok, MD
NPI 1861514861 · Student in an Organized Health Care Education/Training Program · Yakima, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clark Kwok, MD is a Student in an Organized Health Care Education/Training Program provider in Yakima, WA (NPI 1861514861).
Provider details
- NPI number
- 1861514861
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- PENDING
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 90 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 545 | 198 |
| Amlodipine Besylate | 373 | 131 |
| Losartan Potassium | 371 | 130 |
| Lisinopril | 323 | 114 |
| Rosuvastatin Calcium | 265 | 98 |
| Metformin Hcl | 241 | 86 |
| Simvastatin | 178 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-03
- Last updated
- 2021-11-30
Frequently asked questions
- What is Clark Kwok's NPI number?
- Clark Kwok's National Provider Identifier (NPI) is 1861514861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clark Kwok's specialty?
- Clark Kwok is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Clark Kwok located?
- Clark Kwok's practice location on file with NPPES is 1806 W Lincoln Ave, Yakima, WA 98902-2473.
- What is Clark Kwok's phone number?
- The practice phone number listed in the NPPES registry for Clark Kwok is (509) 452-4520.
- Does Clark Kwok accept Medicare?
- Clark Kwok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clark Kwok's NPI active?
- Yes — Clark Kwok's NPI (1861514861) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.