James Yoon, MD
NPI 1750735700 · Nephrology Physician · Vancouver, WA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Yoon, MD is a Nephrology Physician provider in Vancouver, WA (NPI 1750735700).
Provider details
- NPI number
- 1750735700
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
29 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 29 | $78 |
Typical Medicare-allowed amounts for these services range $78–$78 (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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 121 | 46 |
| Empagliflozinbrand: Jardiance | 112 | 32 |
| Amlodipine Besylate | 73 | 27 |
| Furosemide | 63 | 27 |
| Torsemide | 58 | 21 |
| Sodium Zirconium Cyclosilicatebrand: Lokelma | 51 | 19 |
| Lisinopril | 48 |
Practice location
Mailing address
Additional practice locations (1)
- 203 Se Park Plaza Dr Ste 140Vancouver, WA 98684-5887Phone: (800) 813-2000Fax: (360) 449-7005
Registry dates
- Enumerated
- 2016-04-15
- Last updated
- 2026-03-04
- Certified
- 2026-03-04
Frequently asked questions
- What is James Yoon's NPI number?
- James Yoon's National Provider Identifier (NPI) is 1750735700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Yoon's specialty?
- James Yoon is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is James Yoon located?
- James Yoon's practice location on file with NPPES is 14406 Ne 20th Ave, Vancouver, WA 98686-1448.
- What is James Yoon's phone number?
- The practice phone number listed in the NPPES registry for James Yoon is (800) 813-2000.
- Does James Yoon accept Medicare?
- James Yoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Yoon's NPI active?
- Yes — James Yoon's NPI (1750735700) is active in the NPPES registry as of the last update on 2026-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.