John Stuart Larkin, MD
NPI 1669797619ActiveIndividual· Emergency Medicine· Bellaire, TX
Emergency Medicine (MD) in Bellaire, Texas, trained at University of Texas Medical School at Houston (class of 2008). 127 Medicare patients in 2024, $19,315 paid; nearly all of their 98 Part D prescriptions were generic (94%).
Overview
| NPI | 1669797619 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 1, 2010 |
| Last updated in NPPES | Sep 17, 2024 |
| Certified by provider | Sep 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | N-5179 | TX |
| General Practice | 208D00000X | MD154029 | OR |
| Emergency Medicine | 207P00000X | MD154029 | OR |
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 - Emergency Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 218 across 14 procedure codes |
| Paid by Medicare | $19,315 |
Part D prescriptions in 2024
| Prescriptions (claims) | 98 · 100 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $1,136 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Emergency Medicine |
Medical group
- Memorial Hermann Hospital Based Physician GroupKaty, TX · 276 clinicians
Hospital affiliation
- Memorial Hermann Hospital SystemHouston, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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