John Cornelius Gallagher, MD
Obstetrics & Gynecology Physician · Green Bay, WI
John Cornelius Gallagher, MD is an obstetrics & gynecology physician with a practice address in Green Bay, Wisconsin, and NPI 1023123031, issued on Aug 20, 2006. Check the license (Wisconsin 22790, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Cornelius Gallagher
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 22790 WI
36055506 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2845 Greenbrier RD, Green Bay, WI 54308
- Phone
- (920) 288-8400
- Enumerated
- Aug 20, 2006
- Record last updated
- Feb 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (920) 288-8463
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 2845 Greenbrier RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donald Beno, MDPediatrics Physician1669481388
- Sara Beno-Chambers, APNPNurse Practitioner1598774200
- Terry Betts, PTAPhysical Therapy Assistant1306025085
- Michael Brockman, MDObstetrics & Gynecology Physician1023027703
- Cynthia Brown-Sullivan, MDObstetrics & Gynecology Physician1932118601
- Susan Campbell, RNRegistered Nurse1932118080
Verify John Cornelius Gallagher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 22790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Cornelius Gallagher among 796 obstetrics & gynecology physician records in Wisconsin
John Cornelius Gallagher, MD is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 47% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2008 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Wisconsin
There are 796 obstetrics & gynecology physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 796 in Wisconsin → Every provider in Green Bay → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Michael Brockman, MDGreen Bay, WI 543081023027703
- Cynthia Brown-Sullivan, MDGreen Bay, WI 543081932118601
- Thomas Gallagher, MDGreen Bay, WI 543081588779581
- James Gibson, MDGreen Bay, WI 543081639284649
- Thomas Halloin, MDGreen Bay, WI 543081457468068
- Michael Kincheloe, MDGreen Bay, WI 543081881701316
- William Morrissey, MDGreen Bay, WI 543081619084027
- Stephen Sehring, MDGreen Bay, WI 543081578670865
Common questions
What is John Cornelius Gallagher, MD's NPI number?
John Cornelius Gallagher, MD's National Provider Identifier (NPI) is 1023123031, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Cornelius Gallagher, MD located?
The NPPES record lists a practice address at 2845 Greenbrier RD, Green Bay, WI, 54308. Phone: (920) 288-8400. Providers update this record themselves, so call before visiting.
How can I verify John Cornelius Gallagher, MD's license?
NPPES lists Wisconsin license number 22790, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.