NPPES file of Aug 9, 2026

Mary J. Hamburg, APNP

Nurse Practitioner · Baraboo, WI

Mary J. Hamburg, APNP is a nurse practitioner with a practice address in Baraboo, Wisconsin, and NPI 1841256385, issued on Apr 25, 2006. Check the license (Wisconsin 1877-033, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1841256385
Name
Mary J. Hamburg
Credential
APNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
1877-033 WI
Self-reported in NPPES; status is on the state search
Practice location
1700 Tuttle St, Baraboo, WI 53913
Phone
(608) 355-3800
Enumerated
Apr 25, 2006
Record last updated
Jan 22, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(608) 355-7001
Medicaid ID
1841256385 WI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1700 Tuttle St

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

  1. Karen Ailsworth, MDPediatrics Physician1467418335
  2. Faith Anderson, MDStudent in an Organized Health Care Education/Training Program1265285225
  3. Anna Badtke, PA-CPhysician Assistant1184496176
  4. Ellen BergendahlPharmacist1457733669
  5. Matthew Brelie, APNPNurse Practitioner1568292373
  6. Faye BricklPharmacist1144481540

Verify Mary J. Hamburg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 1877-033
    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
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15 nurse practitioner records list a practice address in Baraboo

They are 15 of the 410 NPPES records with a practice address in Baraboo, and 3,995 nurse practitioner records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other nurse practitioner records in Wisconsin

  1. Caroline Aaberg, APNPMadison, WI1881384394
  2. Joyce Abbott, APNPOshkosh, WI1003824665
  3. Mohamed Abdelazim, APNPAppleton, WI1760266696
  4. Jacklyn Abel, AGACNP-BCMauston, WI1104631506
  5. Henrietta Abili, APNPGermantown, WI1174859524
  6. Jade Abts, NPGreen Bay, WI1992293708
  7. Karalyn Adam, DNP, RNMarshfield, WI1780933051
  8. Carol Adamczyk, MSNWauwatosa, WI1457502395
  9. Amanda Adams, NPMadison, WI1023366598
  10. Bernadette Adams, FNPWestby, WI1427047620

Common questions

What is Mary J. Hamburg, APNP's NPI number?

Mary J. Hamburg, APNP's National Provider Identifier (NPI) is 1841256385, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary J. Hamburg, APNP located?

The NPPES record lists a practice address at 1700 Tuttle St, Baraboo, WI, 53913. Phone: (608) 355-3800. Providers update this record themselves, so call before visiting.

How can I verify Mary J. Hamburg, APNP's license?

NPPES lists Wisconsin license number 1877-033, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

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.