Jacob Tait Demaster, D.O.
Family Medicine Physician · Sheboygan, WI
Jacob Tait Demaster, D.O. is a family medicine physician with a practice address in Sheboygan, Wisconsin, and NPI 1215373147, issued on May 19, 2013. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jacob Tait Demaster
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5101020370 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1813 Ashland Ave, Sheboygan, WI 53081
- Phone
- (920) 458-4010
- Enumerated
- May 19, 2013
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 100058168 WI
- Medicare enrollment
- Enrolled (PECOS I20160816001713); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 1813 Ashland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mallory Bier, DPTPhysical Therapist1538836945
- John Caron, PTPhysical Therapist1013646900
- Linden Engelsma, PA-CPhysician Assistant1699880716
- Sarah Hamilton, PTPhysical Therapist1841183514
- Kristine Howley, LCSWClinical Social Worker1396852919
- Khalyne Johnson, M.D.Family Medicine Physician1720341274
Verify Jacob Tait Demaster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average family medicine physician in 2024
10,080 Medicare Part D claims for 747 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 218 claims were for opioids.
Most prescribed
- Atorvastatin Calcium781 claims
- Omeprazole428 claims
- Levothyroxine Sodium344 claims
- Losartan Potassium327 claims
- Hydrochlorothiazide277 claims
- Pantoprazole Sodium215 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
- Aurora Medical Group, Inc.Sheboygan, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Tait Demaster among 3,765 family medicine physician records in Wisconsin
Jacob Tait Demaster, D.O. 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · 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).
43 family medicine physician records list a practice address in Sheboygan
They are 43 of the 1,385 NPPES records with a practice address in Sheboygan, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Sheboygan → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thomas Ambelang, MDSheboygan, WI 530811033127683
- Rieck Beiersdorf, MDSheboygan, WI 530811427067107
- Warren Brauer, M.D.Sheboygan, WI 530811871559112
- Larry Duenk, M.D.Sheboygan, WI 530811649236985
- Mary Foggetti, DOSheboygan, WI 530811578593257
- Mary Gentine, M.D.Sheboygan, WI 530811811945942
- John Hayden, DOSheboygan, WI 530811689602021
- Sonya Hollingsworth, M.D.Sheboygan, WI 530811770697856
Common questions
What is Jacob Tait Demaster, D.O.'s NPI number?
Jacob Tait Demaster, D.O.'s National Provider Identifier (NPI) is 1215373147, issued on May 19, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Tait Demaster, D.O. located?
The NPPES record lists a practice address at 1813 Ashland Ave, Sheboygan, WI, 53081. Phone: (920) 458-4010. Providers update this record themselves, so call before visiting.
How can I verify Jacob Tait Demaster, D.O.'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 Tait Demaster, D.O. prescribe under Medicare Part D?
In 2024, Jacob Tait Demaster, D.O. had 10,080 Medicare Part D claims for 747 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.