Julio Cesar Alvarenga Thiebaud, M.D.
NPI 1457770497ActiveIndividual· Internal Medicine, Hematology· Irvine, CA
Internal Medicine, Hematology (M.D.) with University of Texas Southwestern Medical Center at Dallas and 1 other group, practicing in Irvine, California. Their prescriptions cost Medicare Part D more than their services did: $1,288,221 for 437 claims, against $32,135 paid for services in 2024. Gamida Cell Inc. was the largest of 5 companies reporting payments in 2025, $23,807 in all, mostly consulting fees. Lists Ut of Texas Southwestern University Hospital - William P. Clements Jr. as a hospital affiliation.
Overview
| NPI | 1457770497 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 7, 2014 |
| Last updated in NPPES | Apr 9, 2026 |
| Certified by provider | Apr 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | A167977 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | T2105 | 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 - Hematology (CA); Practitioner - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 344 across 15 procedure codes |
| Paid by Medicare | $32,135 |
Part D prescriptions in 2024
| Prescriptions (claims) | 437 · 539 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $1,288,221 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Hematology |
| Telehealth | Offers telehealth |
Medical groups
- University of Texas Southwestern Medical Center at DallasDallas, TX · 3,187 clinicians
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$23,807 · 13 payments from 5 companies
- 2024$8,422 · 14 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gamida Cell Inc. | $10,640 | 1 |
| Genzyme Corporation | $8,514 | 4 |
| Stemline Therapeutics Inc. | $4,503 | 6 |
| Adaptive Biotechnologies Corporation | $102.90 | 1 |
| Abbvie Inc. | $46.80 | 1 |
What the 2025 payments were for
- Consulting Fee$21,907 · 3 payments
- Travel and Lodging$1,184 · 4 payments
- Food and Beverage$715.54 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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