Stephen L. Merrill, MD
Emergency Medicine Physician · Janesville, WI
Stephen L. Merrill, MD is an emergency medicine physician with a practice address in Janesville, Wisconsin, and NPI 1144246489, issued on Jul 13, 2006. Check the license (Wisconsin 51728, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Stephen L. Merrill
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 51728 WI
036049241 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3524 E Milwaukee St, Janesville, WI 53546
- Phone
- (608) 756-7100
- Enumerated
- Jul 13, 2006
- Record last updated
- Nov 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (608) 756-4700
- Medicaid ID
- 036049241 IL
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 3524 E Milwaukee St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen L. Merrill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 51728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average emergency medicine physician in 2024
16 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Stephen L. Merrill among 1,464 emergency medicine physician records in Wisconsin
Stephen L. Merrill, MD 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2011 · 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).
40 emergency medicine physician records list a practice address in Janesville
They are 40 of the 1,538 NPPES records with a practice address in Janesville, and 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Janesville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Brickman, MDJanesville, WI 535461467469049
- John Culp, MDJanesville, WI 535451497792139
- Anna FrishmanJanesville, WI 535451801390943
- Benjamin Ho, M.D.Janesville, WI 535451225316458
- Matthew Streckert, MDJanesville, WI 535451902983034
- William West, MDJanesville, WI 535451285601153
- Rachel Allen, MDJanesville, WI 535481184823999
- Yone Amuka, MDJanesville, WI 535481790929693
Common questions
What is Stephen L. Merrill, MD's NPI number?
Stephen L. Merrill, MD's National Provider Identifier (NPI) is 1144246489, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen L. Merrill, MD located?
The NPPES record lists a practice address at 3524 E Milwaukee St, Janesville, WI, 53546. Phone: (608) 756-7100. Providers update this record themselves, so call before visiting.
How can I verify Stephen L. Merrill, MD's license?
NPPES lists Wisconsin license number 51728, 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 Stephen L. Merrill, MD prescribe under Medicare Part D?
In 2024, Stephen L. Merrill, MD had 16 Medicare Part D claims; 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.