Ty B. Carroll, MD
Endocrinology, Diabetes & Metabolism Physician · Madison, WI
Ty B. Carroll, MD is an endocrinology, diabetes & metabolism physician with a practice address in Madison, Wisconsin, and NPI 1558312942, issued on May 12, 2006. Check the license (Wisconsin 46886, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ty B. Carroll
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 46886 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4621 Eastpark Blvd, Madison, WI 53718
- Phone
- (608) 916-0300
- Enumerated
- May 12, 2006
- Record last updated
- Dec 2, 2025
- Medicaid ID
- 1558312942 WI
- Medicare enrollment
- Enrolled (PECOS I20050211000546); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4621 Eastpark Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Bernal Riera, MDEndocrinology, Diabetes & Metabolism Physician1144872425
- Erin Billmeyer, NPNurse Practitioner1902151517
- Travis Daniel, MSPsychologist1134813934
- Fiatsogbe DzualiDermatology Physician1922637644
- Taylor Fletcher, SLPSpeech-Language Pathologist1043054679
- Danielle Gill, PHARMACISTPharmacist1023958378
Verify Ty B. Carroll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 46886Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
3,859 Medicare Part D claims for 609 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Levothyroxine Sodium462 claims
- Atorvastatin Calcium206 claims
- Lantus Solostar189 claims
- Metformin Hcl Er188 claims
- Ozempic172 claims
- Jardiance138 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 3 group practices
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncMenomonee Falls, WI
- The Medical College OF Wisconsin IncMilwaukee, WI
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Wisconsin
There are 187 endocrinology, diabetes & metabolism physician records in Wisconsin.
Other endocrinology, diabetes & metabolism physician records in Wisconsin
- Aron Adkins, MDEau Claire, WI1336246529
- Laura Andrews, MDMenasha, WI1548254535
- Rishika Anil, MDMilwaukee, WI1548948904
- Arnold Asp, MDLa Crosse, WI1700888922
- Pamela Baeten, M.D.Green Bay, WI1932102787
- Sindhura Bandaru, M.D.Madison, WI1821472598
- Neha Bapat, MDMadison, WI1649944810
- Adrienne Barnosky, D.O.Wauwatosa, WI1215149414
- Elizabeth BartMilwaukee, WI1952757809
- Jaspreet Batth, MDSheboygan, WI1982211181
Common questions
What is Ty B. Carroll, MD's NPI number?
Ty B. Carroll, MD's National Provider Identifier (NPI) is 1558312942, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ty B. Carroll, MD located?
The NPPES record lists a practice address at 4621 Eastpark Blvd, Madison, WI, 53718. Phone: (608) 916-0300. Providers update this record themselves, so call before visiting.
How can I verify Ty B. Carroll, MD's license?
NPPES lists Wisconsin license number 46886, 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 Ty B. Carroll, MD prescribe under Medicare Part D?
In 2024, Ty B. Carroll, MD had 3,859 Medicare Part D claims for 609 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.