Mark E. Elzik, M.D.
NPI 1093904302ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Mission Viejo, CA
Orthopaedic Surgery, Hand Surgery (M.D.) in Mission Viejo, California, trained at University of North Carolina at Chapel Hill School of Medicine (class of 2007). 527 Medicare patients in 2024, $384,421 paid; nearly all of their 379 Part D prescriptions were generic (99%). Endo USA, Inc. was the largest of 7 companies reporting payments in 2025, $31,398 in all, mostly speaking and faculty fees.
Overview
| NPI | 1093904302 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 23, 2007 |
| Last updated in NPPES | Feb 17, 2020 |
| Certified by provider | Feb 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | A107354 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 527 |
|---|---|
| Services billed | 7,770 across 93 procedure codes |
| Paid by Medicare | $384,421 |
Part D prescriptions in 2024
| Prescriptions (claims) | 379 · 384 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $38,575 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Orthopaedic Specialty Institute Medical Group of Orange CountyNewport Beach, CA · 64 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$31,398 · 75 payments from 7 companies
- 2024$31,291 · 56 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endo USA, Inc. | $26,864 | 40 |
| Sonex Health, Inc. | $4,032 | 26 |
| Stryker Corporation | $317.79 | 3 |
| Smith+nephew, Inc. | $65.15 | 2 |
| Breg, Inc | $50.35 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$21,460 · 6 payments
- Consulting Fee$4,830 · 3 payments
- Travel and Lodging$3,096 · 16 payments
- Food and Beverage$1,961 · 48 payments
- Education$50.35 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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