Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

William B Nelson, MD

Individual provider Cardiovascular Disease Physician · NPI 1497728711

William B Nelson, MD is registered under Cardiovascular Disease (Cardiology) in St Paul, Minnesota. Graduated from University of Minnesota Medical School in 1993, 33 years ago. Practices with Group Health Plan Inc, a 1,633-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
33
Trained at
University of Minnesota Medical School
Licensed in
MN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

640 Jackson St Mc 11102H
St Paul, MN 55101-2502
Phone: (651) 254-3462
Fax: (651) 254-1603
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 41514 (MN)

Record details

NPI number1497728711
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 8, 2006
Last updated in NPPESNovember 15, 2021
Certification dateNovember 15, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1993 (33 years in practice)
Group practice Group Health Plan Inc — 1633 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations12 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients722
Services billed 1,029 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Group Health Plan Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1633 clinicians in the practice; 12 are shown here.

Other providers in St Paul