Mark J. Dannenbaum, M.D.
NPI 1275700924ActiveIndividual· Neurological Surgery· Houston, TX
Neurological Surgery (M.D.) in Houston, Texas, trained at University of Texas Medical School at Houston (class of 2002). Mostly services rather than prescriptions: Medicare paid $35,592 for 85 patients in 2024, with only 49 Part D claims. Route 92 Medical, Inc. was the largest of 5 companies reporting payments in 2025, $725.95 in all, mostly food and beverage.
Overview
| NPI | 1275700924 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 13, 2008 |
| Last updated in NPPES | Jan 30, 2020 |
| Certified by provider | Jan 30, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | N6245 | TX |
| Neurological Surgery | 207T00000X | 235714 | MA |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 85 |
|---|---|
| Services billed | 166 across 31 procedure codes |
| Paid by Medicare | $35,592 |
Part D prescriptions in 2024
| Prescriptions (claims) | 49 · 63 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $412.22 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Ut PhysiciansHouston, TX · 213 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Other facilities
- Tirr Memorial HermannInpatient rehabilitation facility · Houston, TX
Industry payments (Open Payments)
- 2025$725.95 · 8 payments from 5 companies
- 2024$626.19 · 11 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Route 92 Medical, Inc. | $271.26 | 2 |
| Medtronic, Inc. | $205.86 | 2 |
| Stryker Corporation | $188.17 | 2 |
| Balt USA, LLC | $32.41 | 1 |
| Depuy Synthes Sales Inc. | $28.25 | 1 |
What the 2025 payments were for
- Food and Beverage$725.95 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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