Hugh Chung
NPI 1639309156 · Surgery Physician · Orange, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hugh Chung is a Surgery Physician provider in Orange, CA (NPI 1639309156).
Provider details
- NPI number
- 1639309156
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 4301094833 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
129 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 50 Minutes99233 | 40 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 26 | $82 |
| Critical Care, First 30-74 Minutes99291 | 22 | $216 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 15 | $174 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 13 | $115 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,966 across 6 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
Additional practice locations (1)
- 1950 Sunny Crest Dr Ste 3500Fullerton, CA 92835-3646Phone: (714) 408-4249Fax: (714) 525-0123
Registry dates
- Enumerated
- 2009-07-17
- Last updated
- 2025-07-22
- Certified
- 2025-07-22
Frequently asked questions
- What is Hugh Chung's NPI number?
- Hugh Chung's National Provider Identifier (NPI) is 1639309156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hugh Chung's specialty?
- Hugh Chung is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Hugh Chung located?
- Hugh Chung's practice location on file with NPPES is 333 City Blvd W, Orange, CA 92868-3298.
- What is Hugh Chung's phone number?
- The practice phone number listed in the NPPES registry for Hugh Chung is (714) 456-5840.
- Does Hugh Chung accept Medicare?
- Hugh Chung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hugh Chung's NPI active?
- Yes — Hugh Chung's NPI (1639309156) is active in the NPPES registry as of the last update on 2025-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.