John E. Carroll, MD
Endocrinology, Diabetes & Metabolism Physician · Wausau, WI
John E. Carroll, MD is an endocrinology, diabetes & metabolism physician with a practice address in Wausau, Wisconsin, and NPI 1114935400, issued on Aug 3, 2006. Check the license (Wisconsin 19661, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John E. Carroll
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 19661 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2720 Plaza Dr, Wausau, WI 54401
- Phone
- (715) 847-2004
- Enumerated
- Aug 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 30260800 WI
- Medicare enrollment
- Enrolled (PECOS I20100622000461); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1974
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 187 in Wisconsin → Look up another NPI →
Also registered at 2720 Plaza Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erik Anderson, MDInternal Medicine Physician1427066745
- Riccardo Barani, MDInternal Medicine Physician1649288986
- Anthony Bell, DOObstetrics & Gynecology Physician1023052008
- Anita Bublik-Anderson, M.D.Obstetrics & Gynecology Physician1720015571
- Matthew Clark, MDInternal Medicine Physician1487662680
- Kimberly Couri, D.O.Family Medicine Physician1851326854
Verify John E. Carroll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 19661Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,368 Medicare Part D claims for 346 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Most prescribed
- Levothyroxine Sodium315 claims
- Levoxyl265 claims
- Synthroid233 claims
- Alendronate Sodium98 claims
- Hydrocortisone92 claims
- Methimazole78 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): 84.6 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).
Industry payments in 2024: $49.54
1 payment: food and beverage; the largest payer was Radius Health, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Aspirus Medical Group, Inc.Antigo, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John E. Carroll among 187 endocrinology, diabetes & metabolism physician records in Wisconsin
John E. Carroll, MD is one of 187 endocrinology, diabetes & metabolism physician records with a practice address in Wisconsin. 81% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1974 · median 2003 among the 134 with a school on file
- Record last updated2007 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Wisconsin
There are 187 endocrinology, diabetes & metabolism physician records in Wisconsin.
All 187 in Wisconsin → Every provider in Wausau → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Robert Leimbach, MDWausau, WI 544011083033443
- Jimmy Madagame, MDWausau, WI 544011972511194
- Gena Miller, MDWausau, WI 544011134448467
- Shankar Bettadahalli, M.DMarshfield, WI 544491740449099
- Alan McKenzie, MDMarshfield, WI 544491033227301
- Ram Pathak, MDMarshfield, WI 544491053324020
- Michael Sheehan, MDWeston, WI 544761730294240
- David Newell, MDGreen Bay, WI 543111649282674
Common questions
What is John E. Carroll, MD's NPI number?
John E. Carroll, MD's National Provider Identifier (NPI) is 1114935400, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John E. Carroll, MD located?
The NPPES record lists a practice address at 2720 Plaza Dr, Wausau, WI, 54401. Phone: (715) 847-2004. Providers update this record themselves, so call before visiting.
How can I verify John E. Carroll, MD's license?
NPPES lists Wisconsin license number 19661, 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 John E. Carroll, MD prescribe under Medicare Part D?
In 2024, John E. Carroll, MD had 2,368 Medicare Part D claims for 346 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is John E. Carroll, MD's MIPS final score?
The 2023 MIPS final score is 84.6 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.