Melissa Louise Rosas, M.D.
Emergency Medicine Physician · Duluth, MN
Melissa Louise Rosas, M.D. is an emergency medicine physician with a practice address in Duluth, Minnesota, and NPI 1144482381, issued on Jun 30, 2008. Check the license (Minnesota 53189, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Melissa Louise Rosas
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 53189 MN
Self-reported in NPPES; status is on the state search - Practice location
- 400 E 3RD St, Duluth, MN 55805
- Phone
- (218) 786-8364
- Enumerated
- Jun 30, 2008
- Record last updated
- Jul 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110928000880); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,348 in Minnesota → Look up another NPI →
Also registered at 400 E 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Melissa Louise Rosas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 53189Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average emergency medicine physician in 2024
66 Medicare Part D claims for 52 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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 one group practice
- St Marys Medical CenterDuluth, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Louise Rosas among 1,348 emergency medicine physician records in Minnesota
Melissa Louise Rosas, M.D. is one of 1,348 emergency medicine physician records with a practice address in Minnesota. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 43% of them.
- NPI issued2008 · 43% of these records are older, 51% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2008 · median 2012 among the 818 with a school on file
- Record last updated2011 · 45% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
77 emergency medicine physician records list a practice address in Duluth
They are 77 of the 4,084 NPPES records with a practice address in Duluth, and 1,348 emergency medicine physician records in Minnesota.
All 1,348 in Minnesota → Every provider in Duluth → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brian Bergeron, MDDuluth, MN 558051316997851
- Gregory Bernhardt, MDDuluth, MN 558051013967850
- Peter Chase, MD, PHDDuluth, MN 558051063485563
- Christopher Delp, MDDuluth, MN 558051417908641
- Steven Hansen, MDDuluth, MN 558051619928520
- John Holst, D.O.Duluth, MN 558051669442406
- Lynn Howard, MDDuluth, MN 558051942276209
- Thomas Kunze, MDDuluth, MN 558051912957754
Common questions
What is Melissa Louise Rosas, M.D.'s NPI number?
Melissa Louise Rosas, M.D.'s National Provider Identifier (NPI) is 1144482381, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Louise Rosas, M.D. located?
The NPPES record lists a practice address at 400 E 3RD St, Duluth, MN, 55805. Phone: (218) 786-8364. Providers update this record themselves, so call before visiting.
How can I verify Melissa Louise Rosas, M.D.'s license?
NPPES lists Minnesota license number 53189, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Melissa Louise Rosas, M.D. prescribe under Medicare Part D?
In 2024, Melissa Louise Rosas, M.D. had 66 Medicare Part D claims for 52 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.