NPPES file of Aug 9, 2026

Abigail Marie Klein, APNP

Family Medicine Physician · Green Bay, WI

Abigail Marie Klein, APNP is a family medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1942198064, issued on Jun 26, 2025. Check the license (Wisconsin 16981-33, 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
1942198064
Name
Abigail Marie Klein
Credential
APNP
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
16981-33 WI
Self-reported in NPPES; status is on the state search
Practice location
835 S Van Buren St, Green Bay, WI 54301
Phone
(920) 433-8384
Enumerated
Jun 26, 2025
Record last updated
Jun 26, 2025
Medicare enrollment
Enrolled (PECOS I20251020000571); 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 family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →

Also registered at 835 S Van Buren St

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

  1. Adetunji Adejumo, MDInfectious Disease Physician1942532528
  2. Emily Agen, MS, GCGenetic Counselor (M.S.)1780574806
  3. Youssef Ahmed, MDPediatrics Physician1114423092
  4. Zaheer Akhtar, DOHospitalist Physician1366002966
  5. Richard Amankwah, MDHospitalist Physician1164712741
  6. Joel Ament, MDPediatric Critical Care Medicine Physician1861425456

Verify Abigail Marie Klein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 16981-33    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. Vituity-Wisconsin EM SCGreen Bay, WI

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

Abigail Marie Klein among 3,765 family medicine physician records in Wisconsin

Abigail Marie Klein, APNP is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 99% of them.

  • NPI issued2025 · 99% of these records are older, under 1% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2025 · median 2007 among the 2,347 with a school on file
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

94 family medicine physician records list a practice address in Green Bay

They are 94 of the 4,619 NPPES records with a practice address in Green Bay, and 3,765 family medicine physician records in Wisconsin.

All 3,765 in Wisconsin → Every provider in Green Bay → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Barry Daughtry, M.D.Green Bay, WI 543011871526012
  2. Joseph Dobson, DOGreen Bay, WI 543011861486896
  3. Pamela FalconGreen Bay, WI 543011124680764
  4. Tracy Gallagher, MDGreen Bay, WI 543011447276316
  5. Rance Hafner, MDGreen Bay, WI 543011841274669
  6. Barbara Harkness, M.D.Green Bay, WI 543011104899657
  7. Stephen Hathway, MDGreen Bay, WI 543011821311184
  8. Daniel Koster, MD SCGreen Bay, WI 543011992789689

Common questions

What is Abigail Marie Klein, APNP's NPI number?

Abigail Marie Klein, APNP's National Provider Identifier (NPI) is 1942198064, issued on Jun 26, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Abigail Marie Klein, APNP located?

The NPPES record lists a practice address at 835 S Van Buren St, Green Bay, WI, 54301. Phone: (920) 433-8384. Providers update this record themselves, so call before visiting.

How can I verify Abigail Marie Klein, APNP's license?

NPPES lists Wisconsin license number 16981-33, 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.