David Whittman, M.D., M.P.H.
NPI 1205938917ActiveIndividual· Internal Medicine, Nephrology· Tucson, AZ
Internal Medicine, Nephrology (M.D., M.P.H.) in Tucson, Arizona, trained at University of South Carolina School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $545,437 for 3,073 claims, against $177,188 paid for services in 2024. Amgen Inc. was the largest of 12 companies reporting payments in 2025, $596.19 in all, mostly food and beverage.
Overview
| NPI | 1205938917 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.P.H. |
| Sole proprietor | No |
| NPI issued | Sep 2, 2006 |
| Last updated in NPPES | Jun 26, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 26933 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 522 |
|---|---|
| Services billed | 2,906 across 26 procedure codes |
| Paid by Medicare | $177,188 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,073 · 7,591 30-day fills |
|---|---|
| Patients | 375 |
| Total drug cost | $545,437 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of South Carolina School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Akdhc LLCGlendale, AZ · 129 clinicians
Hospital affiliations
- Banner-University Medical Center South CampusTucson, AZ
- Flagstaff Medical CenterFlagstaff, AZ
- Mt. Graham Regional Medical CenterSafford, AZ
- St Joseph's HospitalTucson, AZ
- Tucson Medical CenterTucson, AZ
Other facilities
- 032643 East Tucson (Fmc)Dialysis facility · Tucson, AZ
- Davita Tucson South Central DialysisDialysis facility · Tucson, AZ
Industry payments (Open Payments)
- 2025$596.19 · 29 payments from 12 companies
- 2024$659.57 · 38 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $93.43 | 5 |
| Opko Pharmaceuticals, LLC | $92.70 | 5 |
| Calliditas Therapeutics US Inc. | $72.10 | 3 |
| Astrazeneca Pharmaceuticals LP | $62.95 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $58.19 | 3 |
What the 2025 payments were for
- Food and Beverage$503.49 · 24 payments
- Education$92.70 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Tucson
- 1114923687
- 1124265822
- 1134384167
- 1174910053
- 1215047337
- 1215360508
- 1215434840
- 1316984339
- 1336349463
- 1336536242
- 1356448815
- 1366882334
All 67 nephrologists in Tucson · All nephrologists in Arizona