NPPES file of Aug 9, 2026

William N. Calkins, M.D.

General Practice Physician · Westby, WI

William N. Calkins, M.D. is a general practice physician with a practice address in Westby, Wisconsin, and NPI 1508809658, issued on Jun 14, 2006. Check the license (Wisconsin 21970, 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
1508809658
Name
William N. Calkins
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
21970 WI
Self-reported in NPPES; status is on the state search
Practice location
100 Melby St, Westby, WI 54667
Phone
(608) 637-4230
Enumerated
Jun 14, 2006
Record last updated
Jun 30, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(608) 637-4214
Medicare enrollment
Enrolled (PECOS I20100910000622); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 1977
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.
Download card Updates feed

Also registered at 100 Melby St

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

  1. Bernadette Adams, FNPNurse Practitioner1427047620
  2. Shelly Dillon, FNP-CNurse Practitioner1720868896
  3. Joann Fouts, D.O.Family Medicine Physician1821296054
  4. Merry Gajewski, DDSDentist1881701241

Verify William N. Calkins in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 21970    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.7 times the Medicare Part D claims of the average general practice physician in 2024

8,073 Medicare Part D claims for 263 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 292 claims were for opioids.

  1. William Calkins8,073
  2. Specialty average3,030

Most prescribed

  1. Metoprolol Succinate418 claims
  2. Omeprazole413 claims
  3. Furosemide387 claims
  4. Lisinopril381 claims
  5. Levothyroxine Sodium353 claims
  6. Atorvastatin Calcium337 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.

Bills Medicare through one group practice

  1. Vernon Memorial Healthcare IncWestby, WI

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

1 general practice physician records list a practice address in Westby

They are 1 of the 44 NPPES records with a practice address in Westby, and 105 general practice physician records in Wisconsin.

All 105 in Wisconsin → Every provider in Westby →

Other general practice physician records in Wisconsin

  1. Farid Ahmad, MDOak Creek, WI1871916031
  2. Ronald Backus, MDFlorence, WI1376829135
  3. Matthew Bange, MDFitchburg, WI1982285714
  4. Katherine Bayliss, MDColgate, WI1144288861
  5. Lisa Bender, LPNOregon, WI1104458025
  6. John Betinis, M.D.Stevens Point, WI1699832030
  7. Fredrick Bronson, M.D.Madison, WI1710207923
  8. Deidra BushChippewa Falls, WI1629925508
  9. Dana Cash, M.D.Eau Claire, WI1891904645
  10. Roberto Casing, M.D.Stanley, WI1821249673

Common questions

What is William N. Calkins, M.D.'s NPI number?

William N. Calkins, M.D.'s National Provider Identifier (NPI) is 1508809658, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William N. Calkins, M.D. located?

The NPPES record lists a practice address at 100 Melby St, Westby, WI, 54667. Phone: (608) 637-4230. Providers update this record themselves, so call before visiting.

How can I verify William N. Calkins, M.D.'s license?

NPPES lists Wisconsin license number 21970, 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 William N. Calkins, M.D. prescribe under Medicare Part D?

In 2024, William N. Calkins, M.D. had 8,073 Medicare Part D claims for 263 beneficiaries; the average among general practice physician prescribers was 3,030. 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.

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.