Marchyarn Mahathanaruk, D.O.
NPI 1265674287ActiveIndividual· Anesthesiology, Pain Medicine· Lakewood, CO
Anesthesiology, Pain Medicine (D.O.) in Lakewood, Colorado, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 2009). 426 Medicare patients in 2024, $159,283 paid; nearly all of their 162 Part D prescriptions were generic (96%). Boston Scientific Corporation was the largest of 5 companies reporting payments in 2025, $740.40 in all, mostly food and beverage.
Overview
| NPI | 1265674287 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Apr 6, 2009 |
| Last updated in NPPES | Jan 31, 2024 |
| Certified by provider | Jan 31, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Pain Medicine Primary | 207LP2900X | DR.0054219 | CO |
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 - Anesthesiology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 426 |
|---|---|
| Services billed | 2,729 across 37 procedure codes |
| Paid by Medicare | $159,283 |
Part D prescriptions in 2024
| Prescriptions (claims) | 162 · 186 30-day fills |
|---|---|
| Patients | 67 |
| Total drug cost | $4,458 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Anesthesiology |
| Secondary specialties | Pain Management |
| Telehealth | Offers telehealth |
Medical group
- Catholic Health Initiatives ColoradoLakewood, CO · 1,225 clinicians
Hospital affiliation
- Centura Health-St Anthony HospitalLakewood, CO
Industry payments (Open Payments)
- 2025$740.40 · 23 payments from 5 companies
- 2024$706.75 · 23 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $412.97 | 15 |
| Stryker Corporation | $227.95 | 4 |
| Vertex Pharmaceuticals Incorporated | $43.86 | 2 |
| Spr Therapeutics, Inc | $34.99 | 1 |
| Abbott Laboratories | $20.63 | 1 |
What the 2025 payments were for
- Food and Beverage$740.40 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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