NPPES file of Aug 9, 2026

Amy S. Coulthard-Atwater, DO

Family Medicine Physician · Kaukauna, WI

Amy S. Coulthard-Atwater, DO is a family medicine physician with a practice address in Kaukauna, Wisconsin, and NPI 1851369144, issued on Mar 10, 2006. Check the license (Wisconsin 48375, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851369144
Name
Amy S. Coulthard-Atwater
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
48375 WI
Self-reported in NPPES; status is on the state search
Practice location
1500 Arbor Way, Kaukauna, WI 54130
Phone
(920) 766-3200
Enumerated
Mar 10, 2006
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
43544200 WI
Medicare enrollment
Enrolled (PECOS I20071026000750); 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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Also registered at 1500 Arbor Way

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

  1. Kristin Hackbarth, D.C.Chiropractor1417234790
  2. Jonathan Jandrin, MSN, FNP-CNurse Practitioner1538460175
  3. Carly Justice, OTOccupational Therapist1366270845
  4. Jasmine Mazzei, LCSWClinical Social Worker1831740141
  5. Nels Rose, D.O.Emergency Medicine Physician1225328727
  6. Hamza Shahran, MDNephrology Physician1043643836

Verify Amy S. Coulthard-Atwater in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 48375
    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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84% more Medicare Part D claims than the average family medicine physician in 2024

6,514 Medicare Part D claims for 393 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 131 claims were for opioids.

  1. Amy Coulthard-Atwater6,514
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium412 claims
  2. Amlodipine Besylate272 claims
  3. Metoprolol Succinate261 claims
  4. Levothyroxine Sodium197 claims
  5. Lisinopril186 claims
  6. Hydrochlorothiazide168 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $18.94

1 payment: education; the largest payer was E.R. Squibb & Sons, L.L.C. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Amy Coulthard-Atwater$18.94
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Aurora Medical Group, Inc.Milwaukee, WI
  2. Baycare Aurora LLCKaukauna, WI

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

Amy S. Coulthard-Atwater among 3,765 family medicine physician records in Wisconsin

Amy S. Coulthard-Atwater, DO 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2004 · median 2007 among the 2,347 with a school on file
  • Record last updated2021 · 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).

9 family medicine physician records list a practice address in Kaukauna

They are 9 of the 137 NPPES records with a practice address in Kaukauna, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Timothy Culligan, MDKaukauna, WI 541301447216767
  2. Bruce Danz, MDKaukauna, WI 541301386600666
  3. Patricia Demery, MDKaukauna, WI 541301902863442
  4. Joseph Graunke, MDKaukauna, WI 541301316903222
  5. Gregory Johnson, MDKaukauna, WI 541301578529863
  6. Stacy Mohr, M.D.Kaukauna, WI 541301770877664
  7. Paul Russo, MDKaukauna, WI 541301164488458
  8. Andrea Schimke, MDFreedom, WI 541301790892073

Common questions

What is Amy S. Coulthard-Atwater, DO's NPI number?

Amy S. Coulthard-Atwater, DO's National Provider Identifier (NPI) is 1851369144, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Amy S. Coulthard-Atwater, DO located?

The NPPES record lists a practice address at 1500 Arbor Way, Kaukauna, WI, 54130. Phone: (920) 766-3200. Providers update this record themselves, so call before visiting.

How can I verify Amy S. Coulthard-Atwater, DO's license?

NPPES lists Wisconsin license number 48375, 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.

How much does Amy S. Coulthard-Atwater, DO prescribe under Medicare Part D?

In 2024, Amy S. Coulthard-Atwater, DO had 6,514 Medicare Part D claims for 393 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.