Hyunwoo Chung, M.D.
NPI 1396805172 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Rego Park, NY
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hyunwoo Chung, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Rego Park, NY (NPI 1396805172).
Provider details
- NPI number
- 1396805172
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 225794 (NY)
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
115 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 | 41 | $146 |
| Removal And/Or Dissolving of Blood Clot in Hemodialysis Circuit and Balloon Dilation of Dialysis Segment With Imaging Review By Radiologist, With Balloon Tube36905 | 40 | $2,345 |
| Balloon Dilation of Dialysis Segment With Review By Radiologist36907 | 34 | $675 |
Typical Medicare-allowed amounts for these services range $146–$2,345 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2019-05-06
Frequently asked questions
- What is Hyunwoo Chung's NPI number?
- Hyunwoo Chung's National Provider Identifier (NPI) is 1396805172, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hyunwoo Chung's specialty?
- Hyunwoo Chung is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Hyunwoo Chung located?
- Hyunwoo Chung's practice location on file with NPPES is 9745 63rd Dr, Rego Park, NY 11374-2229.
- What is Hyunwoo Chung's phone number?
- The practice phone number listed in the NPPES registry for Hyunwoo Chung is (718) 544-1171.
- Does Hyunwoo Chung accept Medicare?
- Hyunwoo Chung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hyunwoo Chung's NPI active?
- Yes — Hyunwoo Chung's NPI (1396805172) is active in the NPPES registry as of the last update on 2019-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.