WILLIAM L NELSON MD
NPI 1154316396
Internal Medicine in Neenah, WI

Active since September 14, 2005

NPPES record last updated: November 6, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William L Nelson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM L NELSON MD (NPI 1154316396) is an individual internal medicine provider in Neenah, Wisconsin, licensed in Wisconsin (20629) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1154316396
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM L NELSONCredential: MD
Location Address101 MAIN STNeenah, WI 54956-2570
Mailing Address101 Main StNeenah, WI 54956-2570 · (920) 727-4220
Sole ProprietorNo
Enumeration DateSeptember 14, 2005
Last NPPES UpdateNovember 6, 2012
NPI 1154316396 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in WI · 20629
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
101 MAIN ST, Neenah, WI 54956

Other Identifiers 4

Medicare UPINB55340
Medicare PIN005471018WI
Medicaid30980500WI
Medicare PIN015845300WI

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
101 MAIN ST
NEENAH, WI 54956
Internal Medicine
101 MAIN ST
NEENAH, WI 54956
Internal Medicine
101 MAIN ST
NEENAH, WI 54956
Family Medicine
101 MAIN ST
NEENAH, WI 54956
Clinic/Center (Multi-Specialty)
101 MAIN ST
NEENAH, WI 54956
Nurse Practitioner
101 MAIN ST
NEENAH, WI 54956
Internal Medicine
101 MAIN ST
NEENAH, WI 54956
Physician Assistant (Medical)
101 MAIN ST
NEENAH, WI 54956

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Nelson's NPI number?

The NPI number for William Nelson is 1154316396. It was assigned to this individual provider in the NPPES registry on September 14, 2005.

Where is William Nelson located?

William Nelson practices at 101 Main St, Neenah, WI 54956. The listed phone number is (920) 727-4220.

What is William Nelson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for William Nelson was last updated on November 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.