Practice address
1001 E Superior St Ste 201
Duluth, MN 55802
St. Louis County includes primary care (17% of residents) and dental (35% of residents) shortage areas. About shortage areas
At a glance
- Clinicians registered here
- 8
- Physicians (MD and DO)
- 4
- Specialties
- 6
- Industry payments to them, 2025
- $34,495
Specialties here
Who practices here
8 clinicians
- Carrie Ronstrom, MD Urology
- Courtney E. Shaw, CNP Nurse Practitioners
- Fayja Lichtenberg Physician Assistants
- Kathryn A. Johnson, APRN, CNP Nurse Practitioners
- Lindsay Hinaus, PA-C Physician Assistants
- Mark W. Erhard, MD Interventional Cardiology
- Prince Singh Nephrology (Kidney)
- Yan Dong, MD Cardiac Electrophysiology
Industry payments
Drug and device makers reported $34,495 in general payments to 6 clinicians at this address in 2025.
- Prince Singh $24,059
- Yan Dong, MD $9,887
- Carrie Ronstrom, MD $266
- Mark W. Erhard, MD $135
- Courtney E. Shaw, CNP $102
- Lindsay Hinaus, PA-C $46
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Sources: CMS NPPES NPI Registry (who is registered at this address, as each clinician reported it), Medicare Care Compare (hospitals and groups), CMS Open Payments 2025. Addresses can be out of date; call before visiting.