Heewon Kwak, M.D.
NPI 1396186300 · Anatomic Pathology & Clinical Pathology Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heewon Kwak, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Oak Lawn, IL (NPI 1396186300).
Provider details
- NPI number
- 1396186300
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 125060961 (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
12 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
4,310 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) |
|---|---|---|
| Protein Measurement, Serum84165 | 1,173 | $17 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 959 | $36 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 580 | $17 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 290 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 215 | $27 |
| Protein Measurement, Body Fluid84166 | 194 | $17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-07-08
- Last updated
- 2021-12-09
- Certified
- 2021-12-09
Frequently asked questions
- What is Heewon Kwak's NPI number?
- Heewon Kwak's National Provider Identifier (NPI) is 1396186300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heewon Kwak's specialty?
- Heewon Kwak is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Heewon Kwak located?
- Heewon Kwak's practice location on file with NPPES is 4440 W 95th St, Oak Lawn, IL 60453-2600.
- What is Heewon Kwak's phone number?
- The practice phone number listed in the NPPES registry for Heewon Kwak is (708) 684-5226.
- Does Heewon Kwak accept Medicare?
- Heewon Kwak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heewon Kwak's NPI active?
- Yes — Heewon Kwak's NPI (1396186300) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.