David Lee Sommerfeld, M.D.
NPI 1063509404ActiveIndividual· Internal Medicine, Nephrology· Springfield, MO
Internal Medicine, Nephrology (M.D.) in Springfield, Missouri, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $370,343 for 2,175 claims, against $150,219 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 16 companies reporting payments in 2025, $490.35 in all, mostly food and beverage.
Overview
| NPI | 1063509404 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 6, 2006 |
| Last updated in NPPES | Dec 1, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 113752 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 385 |
|---|---|
| Services billed | 1,396 across 25 procedure codes |
| Paid by Medicare | $150,219 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,175 · 3,528 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $370,343 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Springfield Nephrology Associates IncSpringfield, MO · 13 clinicians
Hospital affiliations
- Cedar County Memorial HospitalEl Dorado Springs, MO
- Citizens Memorial HospitalBolivar, MO
- Mercy Hospital SpringfieldSpringfield, MO
Other facilities
- Fmc - BolivarDialysis facility · Bolivar, MO
- Fmc - NixaDialysis facility · Nixa, MO
- Fmc - Springfield MidwestDialysis facility · Springfield, MO
Industry payments (Open Payments)
- 2025$490.35 · 25 payments from 16 companies
- 2024$499.18 · 28 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $75.87 | 4 |
| Calliditas Therapeutics US Inc. | $75.01 | 3 |
| Travere Therapeutics, Inc. | $36.60 | 3 |
| Mallinckrodt Hospital Products Inc. | $34.71 | 1 |
| Otsuka America Pharmaceutical, Inc. | $34.08 | 2 |
What the 2025 payments were for
- Food and Beverage$490.35 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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