NPPES file of Aug 9, 2026

Randall Jay Casper, MD

Hospitalist Physician · Bloomer, WI

Randall Jay Casper, MD is a hospitalist physician with a practice address in Bloomer, Wisconsin, and NPI 1497735682, issued on Jan 23, 2006. Check the license (Wisconsin 27176, 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
1497735682
Name
Randall Jay Casper
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
27176 WI
Self-reported in NPPES; status is on the state search
Practice location
1501 Thompson Street, Bloomer, WI 54724
Phone
(715) 838-5222
Enumerated
Jan 23, 2006
Record last updated
Aug 27, 2024
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 1501 Thompson Street

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

  1. Natia StadlerNurse Practitioner1720651631
  2. Gregory Taylor, MDHospitalist Physician1760447338

Verify Randall Jay Casper in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 27176
    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

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70% fewer Medicare Part D claims than the average hospitalist physician in 2024

154 Medicare Part D claims for 14 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Randall Casper154
  2. Specialty average521

Most prescribed

  1. Pantoprazole Sodium15 claims
  2. Atorvastatin Calcium13 claims
  3. Amlodipine Besylate11 claims
  4. Trazodone Hcl11 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.

Randall Jay Casper among 894 hospitalist physician records in Wisconsin

Randall Jay Casper, MD is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 81% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileNo · 86% of these records are
  • Record last updated2024 · 29% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 hospitalist physician records list a practice address in Bloomer

They are 3 of the 149 NPPES records with a practice address in Bloomer, and 894 hospitalist physician records in Wisconsin.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Gregory Taylor, MDBloomer, WI 547241760447338
  2. Charles Wirtz, M.D.Bloomer, WI 547241659351195
  3. Marina Antic, MDEau Claire, WI 547031982256046
  4. Michael Foreman, DOEau Claire, WI 547031164952347
  5. Emily Horecki LopezEau Claire, WI 547031659955847
  6. Joshua Jagodzinski, DOEau Claire, WI 547031124608302
  7. Vishnu Teja Kommineni, M.D.Eau Claire, WI 547031104209147
  8. Tsai Lo, MDEau Claire, WI 547031699203695

Common questions

What is Randall Jay Casper, MD's NPI number?

Randall Jay Casper, MD's National Provider Identifier (NPI) is 1497735682, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Randall Jay Casper, MD located?

The NPPES record lists a practice address at 1501 Thompson Street, Bloomer, WI, 54724. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.

How can I verify Randall Jay Casper, MD's license?

NPPES lists Wisconsin license number 27176, 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 Randall Jay Casper, MD prescribe under Medicare Part D?

In 2024, Randall Jay Casper, MD had 154 Medicare Part D claims for 14 beneficiaries; the average among hospitalist physician prescribers was 521. 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.