Katherine Kwon, M.D.
NPI 1891907770 · Nephrology Physician · Saint Joseph, MI
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Kwon, M.D. is a Nephrology Physician provider in Saint Joseph, MI (NPI 1891907770).
Provider details
- NPI number
- 1891907770
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0101236883 (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
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
731 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 | 216 | $124 |
| 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 | 206 | $17 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 135 | $369 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 89 | $80 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 33 | $301 |
| Hemodialysis Procedure With Physician Evaluation |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 277 | 71 |
| Dapagliflozin Propanediolbrand: Farxiga | 190 | 48 |
| Losartan Potassium | 148 | 53 |
| Amlodipine Besylate | 129 | 48 |
| Olmesartan Medoxomil | 98 | 31 |
| Lisinopril | 86 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$77,170 across 56 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
- 2007-05-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Katherine Kwon's NPI number?
- Katherine Kwon's National Provider Identifier (NPI) is 1891907770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Kwon's specialty?
- Katherine Kwon is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Kwon located?
- Katherine Kwon's practice location on file with NPPES is 3800 Hollywood Rd, Saint Joseph, MI 49085-8510.
- What is Katherine Kwon's phone number?
- The practice phone number listed in the NPPES registry for Katherine Kwon is (269) 428-0819.
- Does Katherine Kwon accept Medicare?
- Katherine Kwon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Kwon's NPI active?
- Yes — Katherine Kwon's NPI (1891907770) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.