John Gallagher, MD
NPI 1023123031 · Obstetrics & Gynecology Physician · Green Bay, WI
John Gallagher, MD is a Obstetrics & Gynecology Physician provider in Green Bay, WI (NPI 1023123031).
Provider details
- NPI number
- 1023123031
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 22790 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2008-02-15
Frequently asked questions
- What is John Gallagher's NPI number?
- John Gallagher's National Provider Identifier (NPI) is 1023123031, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gallagher's specialty?
- John Gallagher is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Gallagher located?
- John Gallagher's practice location on file with NPPES is 2845 Greenbrier Rd, Green Bay, WI 54308-8900.
- What is John Gallagher's phone number?
- The practice phone number listed in the NPPES registry for John Gallagher is (920) 288-8400.
- Is John Gallagher's NPI active?
- Yes — John Gallagher's NPI (1023123031) is active in the NPPES registry as of the last update on 2008-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.