Mark Louis Merlin, MD
NPI 1033193800ActiveIndividual· Radiology, Radiation Oncology· Decatur, GA
Radiology, Radiation Oncology (MD) in Decatur, Georgia, trained at Louisiana State University School of Medicine in New Orleans (class of 1993). 201 Medicare patients in 2024, $549,134 paid; nearly all of their 205 Part D prescriptions were generic (98%). Myriad Genetic Laboratories, Inc. reported $126.75 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1033193800 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 5, 2005 |
| Last updated in NPPES | Nov 3, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 39178 | GA |
| Specialist | 174400000X | 039178 | GA |
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 - Radiation Oncology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 201 |
|---|---|
| Services billed | 2,944 across 35 procedure codes |
| Paid by Medicare | $549,134 |
Part D prescriptions in 2024
| Prescriptions (claims) | 205 · 415 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $2,057 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Radiation Oncology |
Medical group
- North Atlanta Professional Services LLCAtlanta, GA · 430 clinicians
Hospital affiliations
- Northside HospitalAtlanta, GA
- Northside Hospital GwinnettLawrenceville, GA
Industry payments (Open Payments)
- 2024$126.75 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Myriad Genetic Laboratories, Inc. | $126.75 | 1 |
What the 2024 payments were for
- Food and Beverage$126.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Radiology, Radiation Oncology providers in Decatur
- 1841384518
- 1154709673
- 1710961750
- 1811067838
- 1972593028
- 1407989742
- 1083758635
- 1487740734