Woojin James Chon, M.D.
NPI 1356375406 · Nephrology Physician · Hines, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Woojin James Chon, M.D. is a Nephrology Physician provider in Hines, IL (NPI 1356375406).
Provider details
- NPI number
- 1356375406
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036109184 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
891 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 487 | $139 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 215 | $83 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 68 | $138 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 64 | $126 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 32 | $181 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nifedipinebrand: Nifedipine Er | 95 | 35 |
| Carvedilol | 55 | 15 |
| Metoprolol Tartrate | 44 | 12 |
| Amlodipine Besylate | 38 | — |
| Cinacalcet Hcl | 34 | — |
| Labetalol Hcl | 33 | — |
| Prednisone | 32 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2023-08-18
- Certified
- 2023-08-18
Frequently asked questions
- What is Woojin James Chon's NPI number?
- Woojin James Chon's National Provider Identifier (NPI) is 1356375406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Woojin James Chon's specialty?
- Woojin James Chon is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Woojin James Chon located?
- Woojin James Chon's practice location on file with NPPES is 5000 S 5th Ave # Ms 151, Hines, IL 60141-3030.
- What is Woojin James Chon's phone number?
- The practice phone number listed in the NPPES registry for Woojin James Chon is (708) 202-8387.
- Does Woojin James Chon accept Medicare?
- Woojin James Chon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Woojin James Chon's NPI active?
- Yes — Woojin James Chon's NPI (1356375406) 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.