Alexander J.F. Lazar, M.D.,PHD
NPI 1376643593ActiveIndividual· Pathology, Anatomic Pathology· Houston, TX
Pathology, Anatomic Pathology (M.D.,PHD) in Houston, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 2000). Medicare paid $19,503 for services to 191 patients in 2024. Merck Sharp & Dohme LLC reported $8,267 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1376643593 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D.,PHD |
| Sole proprietor | No |
| NPI issued | Sep 25, 2006 |
| Last updated in NPPES | Mar 13, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology Primary | 207ZP0101X | L9312 | 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 - Pathology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 558 across 19 procedure codes |
| Paid by Medicare | $19,503 |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Pathology |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$8,267 · 8 payments from 1 company
- 2024$1,270 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $8,267 | 8 |
What the 2025 payments were for
- Consulting Fee$7,040 · 1 payment
- Travel and Lodging$953.54 · 3 payments
- Food and Beverage$273.21 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Pathology, Anatomic Pathology providers in Houston
- 1255430690
- 1053678524
- 1710892989
- 1851706600
- 1295707875
- 1376599225
- 1225320849
- 1245286111
- 1699196147
- 1164479010
- 1457494460
- 1154705077