Mark Lynn Nichols, MD
NPI 1215910732ActiveIndividual· Otolaryngology, Otology & Neurotology· Houston, TX
Otolaryngology, Otology & Neurotology (MD) in Houston, Texas, trained at University of Texas Medical Branch at Galveston (class of 1987). 698 Medicare patients in 2024, $145,360 paid; nearly all of their 1,560 Part D prescriptions were generic (98%). Aerin Medical Inc. was the largest of 6 companies reporting payments in 2025, $572.32 in all, mostly food and beverage.
Overview
| NPI | 1215910732 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 29, 2005 |
| Last updated in NPPES | Oct 21, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology, Otology & Neurotology Primary | 207YX0901X | H3922 | TX |
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 - Otolaryngology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 698 |
|---|---|
| Services billed | 2,608 across 49 procedure codes |
| Paid by Medicare | $145,360 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,560 · 3,313 30-day fills |
|---|---|
| Patients | 516 |
| Total drug cost | $48,607 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Otolaryngology |
Medical groups
- Houston Ear Nose and Throat Clinic LLPKingwood, TX · 31 clinicians
- ENT and Allergy Associates of Texas PLLCHumble, TX · 31 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
- Memorial Hermann Sugar Land HospitalSugar Land, TX
Other facilities
- Memorial Hermann Rehabilitation Hospital KatyInpatient rehabilitation facility · Katy, TX
Industry payments (Open Payments)
- 2025$572.32 · 6 payments from 6 companies
- 2024$433.71 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aerin Medical Inc. | $155.46 | 1 |
| Cochlear Americas | $130.00 | 1 |
| Grifols USA, LLC | $124.99 | 1 |
| Ars Pharmaceuticals Operations, Inc. | $112.39 | 1 |
| Phathom Pharmaceuticals, Inc. | $31.25 | 1 |
What the 2025 payments were for
- Food and Beverage$572.32 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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