Ekamol Tantisattamo, MD
NPI 1104053024ActiveIndividual· Internal Medicine, Nephrology· Orange, CA
Internal Medicine, Nephrology (MD) with Uc Regents and 1 other group, practicing in Orange, California. 236 Medicare patients in 2024, $89,942 paid; nearly all of their 922 Part D prescriptions were generic (92%). Astrazeneca Uk Limited was the largest of 4 companies reporting payments in 2025, $2,685 in all, mostly consulting fees. Lists Uci Health-Orange as a hospital affiliation.
Overview
| NPI | 1104053024 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 18, 2009 |
| Last updated in NPPES | Mar 30, 2023 |
| Certified by provider | Mar 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A151885 | CA |
| Internal Medicine | 207R00000X | 5680 | HI |
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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 236 |
|---|---|
| Services billed | 1,241 across 10 procedure codes |
| Paid by Medicare | $89,942 |
Part D prescriptions in 2024
| Prescriptions (claims) | 922 · 1,426 30-day fills |
|---|---|
| Patients | 151 |
| Total drug cost | $77,088 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Uc RegentsOrange, CA · 319 clinicians
- Regents of the University of CaliforniaOrange, CA · 5 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$2,685 · 4 payments from 4 companies
- 2024$176.44 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Uk Limited | $2,573 | 1 |
| Astrazeneca Pharmaceuticals LP | $66.09 | 1 |
| Calliditas Therapeutics US Inc. | $24.91 | 1 |
| Novo Nordisk Inc | $21.11 | 1 |
What the 2025 payments were for
- Consulting Fee$2,573 · 1 payment
- Food and Beverage$112.11 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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