Yi-Jen Chiang, FNP-BC
NPI 1689812661 · Family Nurse Practitioner · Bellevue, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yi-Jen Chiang, FNP-BC is a Family Nurse Practitioner provider in Bellevue, WA (NPI 1689812661).
Provider details
- NPI number
- 1689812661
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- AP60607267 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
112 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $85 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 20 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $121 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 16 | $122 |
Typical Medicare-allowed amounts for these services range $6–$122 (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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 69 | 24 |
| Lisinopril | 35 | 11 |
| Montelukast Sodium | 31 | — |
| Losartan Potassium | 25 | — |
| Amlodipine Besylate | 24 | — |
| Bupropion Hclbrand: Bupropion Xl | 24 | — |
Practice location
Mailing address
Additional practice locations (1)
- 1035 116th Ave NeBellevue, WA 98004-4604Phone: (425) 688-5000Fax: (425) 635-6351
Registry dates
- Enumerated
- 2009-01-28
- Last updated
- 2022-02-11
- Certified
- 2022-02-11
Frequently asked questions
- What is Yi-Jen Chiang's NPI number?
- Yi-Jen Chiang's National Provider Identifier (NPI) is 1689812661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yi-Jen Chiang's specialty?
- Yi-Jen Chiang is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Yi-Jen Chiang located?
- Yi-Jen Chiang's practice location on file with NPPES is 400 108th Ave Ne Ste 100, Bellevue, WA 98004-5508.
- What is Yi-Jen Chiang's phone number?
- The practice phone number listed in the NPPES registry for Yi-Jen Chiang is (425) 635-6350.
- Does Yi-Jen Chiang accept Medicare?
- Yi-Jen Chiang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yi-Jen Chiang's NPI active?
- Yes — Yi-Jen Chiang's NPI (1689812661) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.