NPPES file of Aug 9, 2026

Jacob A. Landvatter, MD

Hospitalist Physician · Janesville, WI

Jacob A. Landvatter, MD is a hospitalist physician with a practice address in Janesville, Wisconsin, and NPI 1649768938, issued on Apr 23, 2018. Check the license 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
1649768938
Name
Jacob A. Landvatter
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
60134 AZ
Self-reported in NPPES; status is on the state search
Practice location
849 Kellogg Ave, Janesville, WI 53546
Phone
(608) 755-7960
Enumerated
Apr 23, 2018
Record last updated
Oct 15, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(608) 755-7873
Medicare enrollment
Enrolled (PECOS I20201021002123); 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 849 Kellogg Ave

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

  1. Raphael Agbavitor, MDStudent in an Organized Health Care Education/Training Program1538009212
  2. Fayyaz Ahmed, MDFamily Medicine Physician1760273049
  3. Arthur Altbuch, M.D.Geriatric Medicine (Family Medicine) Physician1821021429
  4. Melissa Amertil, MDStudent in an Organized Health Care Education/Training Program1174814859
  5. Jane Anderson, MDFamily Medicine Physician1942220140
  6. Sama AzeezStudent in an Organized Health Care Education/Training Program1679400915

Verify Jacob A. Landvatter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck 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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64% fewer Medicare Part D claims than the average hospitalist physician in 2024

188 Medicare Part D claims for 97 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 14 claims were for opioids.

  1. Jacob Landvatter188
  2. Specialty average521

Most prescribed

  1. Prednisone14 claims
  2. Azithromycin13 claims
  3. Lisinopril12 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: $122.33

4 payments; by number, the most common kind was food and beverage; the largest payer was Ceribell, Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jacob Landvatter$122.33
  2. Specialty average$494.84

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

Bills Medicare through one group practice

  1. Apogee Medical Group IncLake Havasu City, AZ

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

Jacob A. Landvatter among 894 hospitalist physician records in Wisconsin

Jacob A. Landvatter, 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 2018, is newer than 68% of them.

  • NPI issued2018 · 68% of these records are older, 26% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 86% of these records are
  • Graduated2017 · median 2011 among the 768 with a school on file
  • Record last updated2020 · 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).

Hospitalist Physician providers in Wisconsin

There are 894 hospitalist physician records in Wisconsin.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Chijen Chen, M.D.Janesville, WI 535461912589946
  2. William Clanfield, MDJanesville, WI 535461326085648
  3. Hassan Haji-Abdirahman, MDJanesville, WI 535461972735785
  4. Jennifer Johnson, MDJanesville, WI 535461669404810
  5. Marsha Landvatter, MDJanesville, WI 535461053809343
  6. Christine Langemo, MDJanesville, WI 535461639243009
  7. Sheree Lauth, MDJanesville, WI 535461568471902
  8. Saad Mohsin, MDJanesville, WI 535461043754310

Common questions

What is Jacob A. Landvatter, MD's NPI number?

Jacob A. Landvatter, MD's National Provider Identifier (NPI) is 1649768938, issued on Apr 23, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Jacob A. Landvatter, MD located?

The NPPES record lists a practice address at 849 Kellogg Ave, Janesville, WI, 53546. Phone: (608) 755-7960. Providers update this record themselves, so call before visiting.

How can I verify Jacob A. Landvatter, MD's license?

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 Jacob A. Landvatter, MD prescribe under Medicare Part D?

In 2024, Jacob A. Landvatter, MD had 188 Medicare Part D claims for 97 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.