What is James Winston's NPI number?

James Winston's National Provider Identifier (NPI) is 1104897156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Winston's specialty?

James Winston is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is James Winston located?

James Winston's practice location on file with NPPES is 835 S Van Buren St, Green Bay, WI 54301-3526.

What is James Winston's phone number?

The practice phone number listed in the NPPES registry for James Winston is (920) 433-8360.

Is James Winston's NPI active?

Yes — James Winston's NPI (1104897156) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

James Winston, M.D.

NPI 1104897156 · Neonatal-Perinatal Medicine Physician · Green Bay, WI

James Winston, M.D. is a Neonatal-Perinatal Medicine Physician provider in Green Bay, WI (NPI 1104897156).

Provider details

NPI number: 1104897156
Entity type: Individual
Primary specialty: Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
License: 25482 (WI)

Specialties & taxonomies

Neonatal-Perinatal Medicine PhysicianPrimary2080N0001XLicense 25482 (WI)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

835 S Van Buren St

Green Bay, WI 54301-3526

Phone: (920) 433-8360

Street-level locationGet directions

More WI providers

Mailing address

Po Box 1446

Green Bay, WI 54305-1446

Enumerated: 2006-01-29
Last updated: 2007-07-08

Frequently asked questions

What is James Winston's NPI number?: James Winston's National Provider Identifier (NPI) is 1104897156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is James Winston's specialty?: James Winston is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is James Winston located?: James Winston's practice location on file with NPPES is 835 S Van Buren St, Green Bay, WI 54301-3526.
What is James Winston's phone number?: The practice phone number listed in the NPPES registry for James Winston is (920) 433-8360.
Is James Winston's NPI active?: Yes — James Winston's NPI (1104897156) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.