Richard J. Conklin, MD
NPI 1851394662ActiveIndividual· Internal Medicine, Hematology & Oncology· Aberdeen, SD
Internal Medicine, Hematology & Oncology (MD) in Aberdeen, South Dakota, trained at Vanderbilt University School of Medicine (class of 1983). In 2024 Medicare paid $6,882,450 for 655 patients, and Part D covered 2,726 of their prescriptions, 86% of them generic. Phathom Pharmaceuticals, Inc. was the largest of 7 companies reporting payments in 2025, $245.05 in all, mostly food and beverage.
Overview
| NPI | 1851394662 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 24, 2005 |
| Last updated in NPPES | Oct 28, 2026 |
| Certified by provider | Oct 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 2823 | SD |
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 - Hematology/Oncology (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 655 |
|---|---|
| Services billed | 546,093 across 155 procedure codes |
| Paid by Medicare | $6,882,450 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,726 · 3,834 30-day fills |
|---|---|
| Patients | 393 |
| Total drug cost | $3,611,306 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Avera McKennanSioux Falls, SD · 959 clinicians
- Conklin Clinics Prof LLCAberdeen, SD · 8 clinicians
Hospital affiliations
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
- Avera St LukesAberdeen, SD
- Bowdle Hospital - CahBowdle, SD
- Community Memorial HospitalRedfield, SD
- Marshall County Healthcare Center - CahBritton, SD
Other facilities
- Avera @ HomeHospice · Aberdeen, SD
Industry payments (Open Payments)
- 2025$245.05 · 9 payments from 7 companies
- 2024$150.79 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $64.90 | 1 |
| Alkermes, Inc. | $52.18 | 1 |
| Pfizer Inc. | $40.66 | 2 |
| Eisai Inc. | $30.86 | 2 |
| Merck Sharp & Dohme LLC | $25.70 | 1 |
What the 2025 payments were for
- Food and Beverage$193.35 · 7 payments
- Education$51.70 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Hematology & Oncology providers in South Dakota →