NPPES file of Aug 9, 2026

Nicholas R. Conwell, M.D.

Emergency Medicine Physician · Madison, WI

Nicholas R. Conwell, M.D. is an emergency medicine physician with a practice address in Madison, Wisconsin, and NPI 1457649634, issued on Jul 21, 2011. Check the license (Wisconsin 59843, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457649634
Name
Nicholas R. Conwell
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
59843 WI
Self-reported in NPPES; status is on the state search
Practice location
4142 Veith Ave, Madison, WI 53704
Phone
(608) 630-4047
Enumerated
Jul 21, 2011
Record last updated
Sep 27, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130816000531); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Nicholas R. Conwell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 59843
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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14% more Medicare Part D claims than the average emergency medicine physician in 2024

257 Medicare Part D claims for 129 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 44 claims were for opioids.

  1. Nicholas Conwell257
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen23 claims
  2. Ondansetron Odt21 claims
  3. Cephalexin13 claims
  4. Doxycycline Hyclate13 claims
  5. Prednisone13 claims
  6. Naproxen11 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): 97.6 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.

  1. Qualityout of 100 · 30% of the final score97.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mile Bluff Medical Center IncMauston, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nicholas R. Conwell among 1,464 emergency medicine physician records in Wisconsin

Nicholas R. Conwell, M.D. 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 2011, is newer than 58% of them.

  • NPI issued2011 · 58% of these records are older, 38% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2011 · median 2011 among the 844 with a school on file
  • Record last updated2017 · 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).

241 emergency medicine physician records list a practice address in Madison

They are 241 of the 15,014 NPPES records with a practice address in Madison, and 1,464 emergency medicine physician records in Wisconsin.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Meinkeng Acha-Morfaw, MDMadison, WI 537041467934836
  2. Alan Ramsey, MDMadison, WI 537041730151663
  3. Stanley Welch, MDMadison, WI 537041124008339
  4. James Berbee, M.D.Madison, WI 537051720376015
  5. Jamie Hess, M.D.Madison, WI 537051992967343
  6. Winny Hung, M.D.Madison, WI 537051194766055
  7. William Jackman, MDMadison, WI 537051841411733
  8. Nicholas Lepa, M.D.Madison, WI 537051386091668

Common questions

What is Nicholas R. Conwell, M.D.'s NPI number?

Nicholas R. Conwell, M.D.'s National Provider Identifier (NPI) is 1457649634, issued on Jul 21, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas R. Conwell, M.D. located?

The NPPES record lists a practice address at 4142 Veith Ave, Madison, WI, 53704. Phone: (608) 630-4047. Providers update this record themselves, so call before visiting.

How can I verify Nicholas R. Conwell, M.D.'s license?

NPPES lists Wisconsin license number 59843, 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 Nicholas R. Conwell, M.D. prescribe under Medicare Part D?

In 2024, Nicholas R. Conwell, M.D. had 257 Medicare Part D claims for 129 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Nicholas R. Conwell, M.D.'s MIPS final score?

The 2023 MIPS final score is 97.6 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.