Chia-Jen Kuan, M.D., PHD
NPI 1114031655 · Nephrology Physician · Everett, WA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chia-Jen Kuan, M.D., PHD is a Nephrology Physician provider in Everett, WA (NPI 1114031655).
Provider details
- NPI number
- 1114031655
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PHD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00031127 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,042 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 204 | $302 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 140 | $127 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 109 | $188 |
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older)90962 | 107 | $208 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 91 | $278 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 80 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 172 | 59 |
| Carvedilol | 169 | 60 |
| Torsemide | 115 | 38 |
| Losartan Potassium | 97 | 31 |
| Prednisone | 73 | 19 |
| Furosemide | 72 | 23 |
| Sevelamer Carbonate | 62 | 13 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-19
- Last updated
- 2012-02-17
Frequently asked questions
- What is Chia-Jen Kuan's NPI number?
- Chia-Jen Kuan's National Provider Identifier (NPI) is 1114031655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chia-Jen Kuan's specialty?
- Chia-Jen Kuan is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Chia-Jen Kuan located?
- Chia-Jen Kuan's practice location on file with NPPES is 1111 Pacific Ave, Everett, WA 98201-4032.
- What is Chia-Jen Kuan's phone number?
- The practice phone number listed in the NPPES registry for Chia-Jen Kuan is (425) 257-1100.
- Does Chia-Jen Kuan accept Medicare?
- Chia-Jen Kuan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chia-Jen Kuan's NPI active?
- Yes — Chia-Jen Kuan's NPI (1114031655) is active in the NPPES registry as of the last update on 2012-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.