David Marc Alderman, M.D.
NPI 1467419523ActiveIndividual· Specialist· Palm Springs, CA
Specialist (M.D.) in Palm Springs, California, trained at University of Texas Medical School at Houston (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $183,584 for 1,050 claims, against $29,614 paid for services in 2024. Ardelyx, Inc. was the largest of 3 companies reporting payments in 2025, $362.59 in all, mostly food and beverage.
Overview
| NPI | 1467419523 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 1, 2006 |
| Last updated in NPPES | Oct 4, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | A50964 | CA |
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 | 140 |
|---|---|
| Services billed | 503 across 9 procedure codes |
| Paid by Medicare | $29,614 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,050 · 1,584 30-day fills |
|---|---|
| Patients | 170 |
| Total drug cost | $183,584 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Desert NephrologyRancho Mirage, CA · 2 clinicians
Hospital affiliations
- Desert Regional Medical CenterPalm Springs, CA
- Eisenhower Medical CenterRancho Mirage, CA
- Hi-Desert Medical CenterJoshua Tree, CA
Other facilities
- Davita Banning DialysisDialysis facility · Banning, CA
- Davita Bermuda Dunes DialysisDialysis facility · Palm Desert, CA
- Davita Cathedral City DialysisDialysis facility · Cathedral City, CA
- Davita Hi-Desert DialysisDialysis facility · Yucca Valley, CA
- Davita Palm Springs DialysisDialysis facility · Palm Springs, CA
Industry payments (Open Payments)
- 2025$362.59 · 10 payments from 3 companies
- 2024$650.77 · 25 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $194.10 | 7 |
| Astrazeneca Pharmaceuticals LP | $145.66 | 2 |
| Travere Therapeutics, Inc. | $22.83 | 1 |
What the 2025 payments were for
- Food and Beverage$362.59 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 Specialist providers in Palm Springs · All Specialist providers in California