Hector Luis Santiesteban, MEDICAL DOCTOR
NPI 1245235738ActiveIndividual· Internal Medicine, Nephrology· Daly City, CA
Internal Medicine, Nephrology (MEDICAL DOCTOR) in Daly City, California, trained at Emory University School of Medicine (class of 1984). In 2024 Medicare paid $74,999 for 95 patients, and Part D covered 710 of their prescriptions, 88% of them generic. Lemaitre Vascular, Inc. was the largest of 3 companies reporting payments in 2025, $391.36 in all, mostly food and beverage.
Overview
| NPI | 1245235738 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MEDICAL DOCTOR |
| Sole proprietor | No |
| NPI issued | Jun 20, 2005 |
| Last updated in NPPES | Mar 13, 2025 |
| Certified by provider | Mar 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G60085 | CA |
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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 95 |
|---|---|
| Services billed | 432 across 9 procedure codes |
| Paid by Medicare | $74,999 |
Part D prescriptions in 2024
| Prescriptions (claims) | 710 · 1,438 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $59,640 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Emory University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical groups
- County of San MateoSan Mateo, CA · 310 clinicians
- San Mateo Dialysis AssociatesBurlingame, CA · 7 clinicians
Hospital affiliations
- Peninsula Medical CenterBurlingame, CA
- San Mateo Medical CenterSan Mateo, CA
- UCSF Health Saint Francis HospitalSan Francisco, CA
Other facilities
- Shc Daly CityDialysis facility · Daly City, CA
- Shc San CarlosDialysis facility · San Carlos, CA
- Shc San FranciscoDialysis facility · San Francisco, CA
- Shc South San FranciscoDialysis facility · South San Francisco, CA
Industry payments (Open Payments)
- 2025$391.36 · 4 payments from 3 companies
- 2024$58.56 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lemaitre Vascular, Inc. | $135.88 | 2 |
| Nxstage Medical, Inc. | $130.77 | 1 |
| Akebia Therapeutics Inc | $124.71 | 1 |
What the 2025 payments were for
- Food and Beverage$391.36 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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