Roy Marie A. Margallo, M.D.
NPI 1538314950ActiveIndividual· Internal Medicine· Las Vegas, NV
Internal Medicine (M.D.) with Celestial Health Solutions, practicing in Las Vegas, Nevada. 480 Medicare patients in 2024, $775,186 paid; nearly all of their 2,340 Part D prescriptions were generic (90%). Lifenet Health was the largest of 7 companies reporting payments in 2025, $792.45 in all, mostly food and beverage. Lists Henderson Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1538314950 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 26, 2008 |
| Last updated in NPPES | Apr 23, 2026 |
| Certified by provider | Apr 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 14033 | NV |
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 - Internal Medicine (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 480 |
|---|---|
| Services billed | 3,304 across 40 procedure codes |
| Paid by Medicare | $775,186 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,340 · 3,316 30-day fills |
|---|---|
| Patients | 253 |
| Total drug cost | $124,756 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Celestial Health SolutionsLas Vegas, NV · 5 clinicians
Hospital affiliations
- Henderson HospitalHenderson, NV
- Summerlin Hospital Medical CenterLas Vegas, NV
Other facilities
- Advanced Home CareHome health agency · Henderson, NV
- A Caring Heart Hospice and Palliative CareHospice · Las Vegas, NV
- Affectionate Hospice Care, LLCHospice · Las Vegas, NV
- Silver State Hospice Care, LLCHospice · Las Vegas, NV
- Advanced Health Care of Las VegasNursing home · Las Vegas, NV
- Spanish Hills Wellness SuitesNursing home · Las Vegas, NV
Industry payments (Open Payments)
- 2025$792.45 · 25 payments from 7 companies
- 2024$298.85 · 15 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lifenet Health | $275.94 | 10 |
| Kerecis Limited | $210.84 | 7 |
| Organogenesis Inc. | $146.19 | 1 |
| Otsuka America Pharmaceutical, Inc. | $55.82 | 2 |
| Smith+nephew, Inc. | $55.21 | 3 |
What the 2025 payments were for
- Food and Beverage$792.45 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,188 internal medicine physicians in Las Vegas · All internal medicine physicians in Nevada