Eun Kwang Byun, MD
NPI 1861683047ActiveIndividual· Specialist· Fountain Valley, CA
Specialist (MD) with Integrative Sports and Spine Inc, practicing in Fountain Valley, California. 368 Medicare patients in 2024, $394,028 paid; nearly all of their 596 Part D prescriptions were generic (97%). Abbott Laboratories was the largest of 3 companies reporting payments in 2025, $1,134 in all, mostly food and beverage.
Overview
| NPI | 1861683047 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 5, 2007 |
| Last updated in NPPES | Jan 12, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 25MA09225700 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physical Medicine and Rehabilitation (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 368 |
|---|---|
| Services billed | 4,888 across 5 procedure codes |
| Paid by Medicare | $394,028 |
Part D prescriptions in 2024
| Prescriptions (claims) | 596 · 609 30-day fills |
|---|---|
| Patients | 144 |
| Total drug cost | $9,175 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Physical Medicine And Rehabilitation |
Medical group
- Integrative Sports and Spine IncAustin, TX · 24 clinicians
Industry payments (Open Payments)
- 2025$1,134 · 15 payments from 3 companies
- 2024$1,603 · 31 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $897.48 | 6 |
| Medtronic, Inc. | $149.39 | 6 |
| Averitas Pharma Inc. | $87.55 | 3 |
What the 2025 payments were for
- Food and Beverage$599.77 · 13 payments
- Travel and Lodging$534.65 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 Specialist providers in Fountain Valley · All Specialist providers in California