Caroline Kwon, MD
NPI 1285912857 · Nephrology Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caroline Kwon, MD is a Nephrology Physician provider in Fairfax, VA (NPI 1285912857).
Provider details
- NPI number
- 1285912857
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101259942 (VA)
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
14 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
2,213 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 770 | $87 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 472 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 430 | $146 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 216 | $146 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 95 | $72 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 79 | 27 |
| Empagliflozinbrand: Jardiance | 76 | 26 |
| Amlodipine Besylate | 54 | 21 |
| Furosemide | 45 | 22 |
| Nifedipinebrand: Nifedipine Er | 42 | 15 |
| Torsemide | 39 | 18 |
| Allopurinol | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$192 across 4 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
- 2011-07-29
- Last updated
- 2016-06-21
Frequently asked questions
- What is Caroline Kwon's NPI number?
- Caroline Kwon's National Provider Identifier (NPI) is 1285912857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caroline Kwon's specialty?
- Caroline Kwon is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Caroline Kwon located?
- Caroline Kwon's practice location on file with NPPES is 3930 Walnut St, Fairfax, VA 22030-4738.
- What is Caroline Kwon's phone number?
- The practice phone number listed in the NPPES registry for Caroline Kwon is (703) 246-9246.
- Does Caroline Kwon accept Medicare?
- Caroline Kwon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caroline Kwon's NPI active?
- Yes — Caroline Kwon's NPI (1285912857) is active in the NPPES registry as of the last update on 2016-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.