Jack M. Massee, DO
Hospitalist Physician · Baraboo, WI
Jack M. Massee, DO is a hospitalist physician with a practice address in Baraboo, Wisconsin, and NPI 1316409196, issued on Apr 2, 2019. Check the license (Wisconsin 75006-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jack M. Massee
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 75006-21 WI
Self-reported in NPPES; status is on the state search - Practice location
- 707 14TH St, Baraboo, WI 53913
- Phone
- (608) 356-1400
- Enumerated
- Apr 2, 2019
- Record last updated
- Apr 1, 2024
- Fax
- (608) 355-7007
- Medicare enrollment
- Enrolled (PECOS I20221129001742); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at 707 14TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison AllstadtAudiologist1871978510
- Antoinette Ankenbrandt, PAPhysician Assistant1790748622
- Daniel Beaver, MDEmergency Medical Services (Emergency Medicine) Physician1558340539
- Edward Bueno, MDEmergency Medical Services (Emergency Medicine) Physician1568441087
- Reva Decorah, RNRegistered Nurse1487479788
- Daniel Dingmann, MSClinical Exercise Physiologist1568700789
Verify Jack M. Massee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 75006-21Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average hospitalist physician in 2024
430 Medicare Part D claims for 334 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Cephalexin69 claims
- Prednisone51 claims
- Amoxicillin-Clavulanate Potass28 claims
- Azithromycin20 claims
- Doxycycline Monohydrate17 claims
- Ciprofloxacin Hcl14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Allina Health SystemAnnandale, MN
- Ssm Health Care OF Wisconsin IncBaraboo, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack M. Massee among 894 hospitalist physician records in Wisconsin
Jack M. Massee, DO 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 2019, is newer than 74% of them.
- NPI issued2019 · 74% of these records are older, 20% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2019 · median 2011 among the 768 with a school on file
- 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).
6 hospitalist physician records list a practice address in Baraboo
They are 6 of the 410 NPPES records with a practice address in Baraboo, and 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Baraboo → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Alison Howen, MDBaraboo, WI 539131376124867
- David Jarvis, M.D.Baraboo, WI 539131548365844
- Justin Lynch, MDBaraboo, WI 539131437891843
- Jamie Petzke, MDBaraboo, WI 539131811459605
- Karen Swallen, MDBaraboo, WI 539131023242831
- Jagdev Bhatoya, MDWaupun, WI 539631811906555
- Eileen Reilly, MDWaupun, WI 539631700865573
- Luisa Barrueto, DOMadison, WI 537921548841067
Common questions
What is Jack M. Massee, DO's NPI number?
Jack M. Massee, DO's National Provider Identifier (NPI) is 1316409196, issued on Apr 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Jack M. Massee, DO located?
The NPPES record lists a practice address at 707 14TH St, Baraboo, WI, 53913. Phone: (608) 356-1400. Providers update this record themselves, so call before visiting.
How can I verify Jack M. Massee, DO's license?
NPPES lists Wisconsin license number 75006-21, 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 Jack M. Massee, DO prescribe under Medicare Part D?
In 2024, Jack M. Massee, DO had 430 Medicare Part D claims for 334 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Jack M. Massee, DO's MIPS final score?
The 2023 MIPS final score is 83.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.