Luis Manuel Tumialan, M.D.
NPI 1861678591ActiveIndividual· Neurological Surgery· Scottsdale, AZ
Neurological Surgery (M.D.) in Scottsdale, Arizona, trained at Georgetown University School of Medicine (class of 1999). 562 Medicare patients in 2024, $271,217 paid; all of their 419 Part D prescriptions were generic. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $29,840 in all, mostly consulting fees.
Overview
| NPI | 1861678591 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 11, 2008 |
| Last updated in NPPES | Oct 6, 2021 |
| Certified by provider | Sep 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 42899 | AZ |
| Neurological Surgery | 207T00000X | A104783 | 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 - Neurosurgery (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 562 |
|---|---|
| Services billed | 1,171 across 45 procedure codes |
| Paid by Medicare | $271,217 |
Part D prescriptions in 2024
| Prescriptions (claims) | 419 · 439 30-day fills |
|---|---|
| Patients | 143 |
| Total drug cost | $3,582 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Neurosurgery |
Medical group
- Neurosurgical Associates LtdChandler, AZ · 74 clinicians
Hospital affiliations
- Honorhealth Scottsdale Osborn Medical CenterScottsdale, AZ
- Honorhealth Scottsdale Shea Medical CenterScottsdale, AZ
- Honorhealth Scottsdale Thompson Peak Med CtrScottsdale, AZ
Industry payments (Open Payments)
- 2025$29,840 · 29 payments from 3 companies
- 2024$28,374 · 27 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $29,580 | 26 |
| Abbott Laboratories | $177.86 | 1 |
| Trackx Technology, Inc. | $82.29 | 2 |
What the 2025 payments were for
- Consulting Fee$14,875 · 5 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$12,500 · 4 payments
- Travel and Lodging$1,401 · 7 payments
- Food and Beverage$1,064 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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