Terrell Messerly
Emergency Medicine Physician · Monroe, WI
Terrell Messerly is an emergency medicine physician with a practice address in Monroe, Wisconsin, and NPI 1750944773, issued on Apr 16, 2019. Check the license (Wisconsin 84435, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Terrell Messerly
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 84435 WI
Self-reported in NPPES; status is on the state search - Practice location
- 515 22ND Ave, Monroe, WI 53566
- Phone
- (608) 324-1000
- Enumerated
- Apr 16, 2019
- Record last updated
- Aug 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20230708000188); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 515 22ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ann Anderson, COTAPhysical Therapy Assistant1770874935
- Eric Anderson, MDDermatology Physician1184645616
- Maija Anderson, PHARMDPharmacotherapy Pharmacist1689306300
- Melissa Anderson, DNPNurse Practitioner1316546724
- Dorota Andraski, MDInternal Medicine Physician1780605717
Verify Terrell Messerly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 84435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average emergency medicine physician in 2024
1,068 Medicare Part D claims for 181 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium67 claims
- Lisinopril53 claims
- Levothyroxine Sodium49 claims
- Amlodipine Besylate47 claims
- Jardiance33 claims
- Carvedilol29 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 2 group practices
- The Monroe Clinic, Inc.Monroe, WI
- Waterloo Emergency Physicians, LLCWaterloo, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Terrell Messerly among 1,464 emergency medicine physician records in Wisconsin
Terrell Messerly is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% 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 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2019 · median 2011 among the 844 with a school on file
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 emergency medicine physician records list a practice address in Monroe
They are 11 of the 433 NPPES records with a practice address in Monroe, and 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Monroe → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Justin Avigliano, DOMonroe, WI 535661245859297
- Jack BarkinMonroe, WI 535661679062137
- Elizabeth Baumgartner, MDMonroe, WI 535661861122277
- Jacob BeckerMonroe, WI 535661245895325
- Zachary Coffman, DOMonroe, WI 535661730755232
- Lubna Hashmi, MDMonroe, WI 535661093332561
- Mark Hovland, MDMonroe, WI 535661487145629
- Matthew Michalski, MDMonroe, WI 535661023198215
Common questions
What is Terrell Messerly's NPI number?
Terrell Messerly's National Provider Identifier (NPI) is 1750944773, issued on Apr 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Terrell Messerly located?
The NPPES record lists a practice address at 515 22ND Ave, Monroe, WI, 53566. Phone: (608) 324-1000. Providers update this record themselves, so call before visiting.
How can I verify Terrell Messerly's license?
NPPES lists Wisconsin license number 84435, 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 Terrell Messerly prescribe under Medicare Part D?
In 2024, Terrell Messerly had 1,068 Medicare Part D claims for 181 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.