NPPES file of Aug 9, 2026

Mary M. Schultz, MD

Obstetrics & Gynecology Physician · Fond Du Lac, WI

Mary M. Schultz, MD is an obstetrics & gynecology physician with a practice address in Fond Du Lac, Wisconsin, and NPI 1265414676, issued on Nov 19, 2005. Check the license (Wisconsin 42194, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265414676
Name
Mary M. Schultz
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
42194 WI
Self-reported in NPPES; status is on the state search
Practice location
420 E Division St, Fond Du Lac, WI 54935
Phone
(920) 926-8450
Enumerated
Nov 19, 2005
Record last updated
Oct 26, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
34003500 WI
Medicare enrollment
Enrolled (PECOS I20250407003032); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →

Also registered at 420 E Division St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elizabeth Berenz, FNP-BCFamily Nurse Practitioner1619386885
  2. Melissa Berggren, PA-CPhysician Assistant1639377617
  3. Louann Biddick, NPNurse Practitioner1770566721
  4. Jennifer Bissell, MDFamily Medicine Physician1316146962
  5. Tiffany Boelk, APNPNurse Practitioner1700459690
  6. David Bowman, M.D.Cardiovascular Disease Physician1962492397

Verify Mary M. Schultz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 42194    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc.Rhinelander, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary M. Schultz among 796 obstetrics & gynecology physician records in Wisconsin

Mary M. Schultz, 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. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1996 · median 2007 among the 478 with a school on file
  • Record last updated2020 · 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.

All 796 in Wisconsin → Every provider in Fond Du Lac → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Christina Calvello, MDFond Du Lac, WI 549351104836394
  2. Julie Dejong, MDFond Du Lac, WI 549351174639082
  3. Jackie Luthardt, MDFond Du Lac, WI 549351679156202
  4. Stephen Massick, MDFond Du Lac, WI 549351942282298
  5. Brita McCullough, MDFond Du Lac, WI 549351346490323
  6. Karen Meyer, MDFond Du Lac, WI 549351538141437
  7. Barbara Peschong, MDFond Du Lac, WI 549351790767739
  8. Sara Riegert, MDFond Du Lac, WI 549351013908664

Common questions

What is Mary M. Schultz, MD's NPI number?

Mary M. Schultz, MD's National Provider Identifier (NPI) is 1265414676, issued on Nov 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mary M. Schultz, MD located?

The NPPES record lists a practice address at 420 E Division St, Fond Du Lac, WI, 54935. Phone: (920) 926-8450. Providers update this record themselves, so call before visiting.

How can I verify Mary M. Schultz, MD's license?

NPPES lists Wisconsin license number 42194, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.