Jung Whan Yoon
NPI 1669902318 · Rheumatology Physician · Woodbridge, VA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jung Whan Yoon is a Rheumatology Physician provider in Woodbridge, VA (NPI 1669902318).
Provider details
- NPI number
- 1669902318
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- UO5583 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
494 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 331 | $123 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 95 | $159 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $88 |
| X-Ray of Hand, Minimum of 3 Views73130 | 13 | $36 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 13 | $37 |
| X-Ray of Wrist, Minimum of 3 Views73110 |
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 |
|---|---|---|
| Hydroxychloroquine Sulfate | 159 | 59 |
| Methotrexate Sodiumbrand: Methotrexate | 134 | 48 |
| Diclofenac Sodium | 103 | 31 |
| Prednisone | 89 | 40 |
| Allopurinol | 68 | 14 |
| Meloxicam | 65 | 25 |
| Leflunomide | 65 | 25 |
| Celecoxib |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,289 across 106 records (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
- 2017-06-15
- Last updated
- 2023-08-18
- Certified
- 2023-08-18
Frequently asked questions
- What is Jung Whan Yoon's NPI number?
- Jung Whan Yoon's National Provider Identifier (NPI) is 1669902318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jung Whan Yoon's specialty?
- Jung Whan Yoon is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Jung Whan Yoon located?
- Jung Whan Yoon's practice location on file with NPPES is 14904 Richmond Hwy Ste 203, Woodbridge, VA 22191-3908.
- What is Jung Whan Yoon's phone number?
- The practice phone number listed in the NPPES registry for Jung Whan Yoon is (703) 492-6660.
- Does Jung Whan Yoon accept Medicare?
- Jung Whan Yoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jung Whan Yoon's NPI active?
- Yes — Jung Whan Yoon's NPI (1669902318) is active in the NPPES registry as of the last update on 2023-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.