Leonard Christopher Treanor, M.D.
NPI 1487823506ActiveIndividual· Family Medicine· Hammond, LA
Family Medicine (M.D.) with Internal Medicine Clinic of Tangipahoa, LLC, practicing in Hammond, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $4,065,844 for 48,811 claims, against $434,318 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 22 companies reporting payments in 2025, $5,122 in all, mostly food and beverage. Lists Cypress Pointe Surgical Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1487823506 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 22, 2008 |
| Last updated in NPPES | Apr 15, 2020 |
| Certified by provider | Apr 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 203457 | LA |
| Emergency Medicine, Undersea and Hyperbaric Medicine | 207PE0005X | 203457 | LA |
| Preventive Medicine, Undersea and Hyperbaric Medicine | 2083P0011X | 203457 | LA |
| Hospitalist | 208M00000X | 23274 | WV |
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 - Family Practice (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 756 |
|---|---|
| Services billed | 6,366 across 90 procedure codes |
| Paid by Medicare | $434,318 |
Part D prescriptions in 2024
| Prescriptions (claims) | 48,811 · 57,281 30-day fills |
|---|---|
| Patients | 1,168 |
| Total drug cost | $4,065,844 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Internal Medicine Clinic of Tangipahoa, LLCHammond, LA · 23 clinicians
Hospital affiliations
- Cypress Pointe Surgical HospitalHammond, LA
- Hood Memorial HospitalAmite, LA
- North Oaks Medical CenterHammond, LA
Other facilities
- Audubon Home Health of HammondHome health agency · Hammond, LA
- Modern Home Health, IncHome health agency · Hammond, LA
- Modern HospiceHospice · Hammond, LA
- P A M Specialty Hospital of HammondLong-term care hospital · Hammond, LA
- Belle Maison Nursing & Rehabilitation Center, LLCNursing home · Hammond, LA
- Heritage Healthcare of HammondNursing home · Hammond, LA
- Landmark Nursing Center HammondNursing home · Hammond, LA
- Lakeshore Manor Nursing & RehabNursing home · Slidell, LA
- The Lodge at Tangi PinesNursing home · Amite, LA
Industry payments (Open Payments)
- 2025$5,122 · 107 payments from 22 companies
- 2024$8,182 · 99 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $2,712 | 25 |
| Novo Nordisk Inc | $407.15 | 6 |
| Teva Pharmaceuticals USA, Inc. | $287.75 | 12 |
| Abbvie Inc. | $258.73 | 6 |
| Stryker Corporation | $248.17 | 2 |
What the 2025 payments were for
- Food and Beverage$2,763 · 103 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,250 · 3 payments
- Education$109.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 family medicine physicians in Hammond · All family medicine physicians in Louisiana