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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JAMES F WINSTON M.D.
NPI 1104897156
Pediatrics - Neonatal-Perinatal Medicine in Green Bay, WI

Active since January 29, 2006
835 S VAN BUREN ST, GREEN BAY, WI 54301(920) 433-8360 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About James F Winston M.d. NPPES

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

JAMES F WINSTON M.D. (NPI 1104897156) is an individual neonatal-perinatal medicine provider in Green Bay, Wisconsin, licensed in Wisconsin (25482) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1104897156
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameJAMES F WINSTONCredential: M.D.
Location Address835 S VAN BUREN STGreen Bay, WI 54301-3526
Mailing AddressPo Box 1446Green Bay, WI 54305-1446 · (920) 983-9401 · Fax (920) 983-9402
Phone(920) 433-8360
Sole ProprietorNo
Enumeration DateJanuary 29, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1104897156 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in WI · 25482
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
835 S VAN BUREN ST, Green Bay, WI 54301
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Other Identifiers 2

Medicaid2676010MI
Medicaid30539400WI

Other Providers at the Same Location NPPES 20

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

MARY LYNN BARTEL MD
Pediatrics
835 S VAN BUREN ST, ROOM 1041
GREEN BAY, WI 54301
Brown County (920) 496-4700
DR. EKMINI WIJESINGHE MD
Hospitalist
835 S VAN BUREN ST, ST VINCENT HOSPITAL
GREEN BAY, WI 54301
Brown County (920) 272-1586
SALLY SCHLISE MD
Radiology (Radiation Oncology)
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 433-8184
GREEN BAY ANESTHESIA ASSOC. SC
Anesthesiology
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 433-0111
LEE JAMES KLEMENS MD
Internal Medicine
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 496-4700
DR. REGINALD E JULIEN M.D.
Anesthesiology
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 433-0111
ASHLEY M SPINDLER PA
Physician Assistant
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 496-4700
DR. CHARLES F DAIS II M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 433-8047

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 James Winston's NPI number?

The NPI number for James Winston is 1104897156. It was assigned to this individual provider in the NPPES registry on January 29, 2006.

Where is James Winston located?

James Winston practices at 835 S Van Buren St, Green Bay, WI 54301. The listed phone number is (920) 433-8360.

What is James Winston's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

When was this NPI record last updated?

The NPPES record for James Winston was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.