Alyssa Mierjeski, M.D.
Emergency Medicine Physician · Providence, RI
Alyssa Mierjeski, M.D. is an emergency medicine physician with a practice address in Providence, Rhode Island, and NPI 1326496118, issued on Jun 2, 2016. Check the license (Rhode Island LP03733, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Alyssa Mierjeski
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- LP03733 RI
Self-reported in NPPES; status is on the state search - Practice location
- 593 Eddy St, Providence, RI 02903
- Phone
- (401) 444-4247
- Enumerated
- Jun 2, 2016
- Record last updated
- Jun 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (401) 444-6662
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 418 in Rhode Island → Look up another NPI →
Also registered at 593 Eddy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James Abernathy, MDAnesthesiology Physician1942257217
- Karen Abi Chebl, MDStudent in an Organized Health Care Education/Training Program1255179552
- Georges Abi Roustom, MDAnesthesiology Physician1548871908
Verify Alyssa Mierjeski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license LP03733Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average emergency medicine physician in 2024
184 Medicare Part D claims for 147 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Cefpodoxime Proxetil27 claims
- Ondansetron Odt22 claims
- Doxycycline Hyclate18 claims
- Cephalexin17 claims
- Prednisone12 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Alyssa Mierjeski among 418 emergency medicine physician records in Rhode Island
Alyssa Mierjeski, M.D. is one of 418 emergency medicine physician records with a practice address in Rhode Island. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 61% of them.
- NPI issued2016 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2016 · 46% 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 Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
246 emergency medicine physician records list a practice address in Providence
They are 246 of the 9,647 NPPES records with a practice address in Providence, and 418 emergency medicine physician records in Rhode Island.
All 418 in Rhode Island → Every provider in Providence → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jay Baruch, M.D.Providence, RI 029031619950581
- William Binder, MDProvidence, RI 029031992795207
- John Foggle, MDProvidence, RI 029031720027253
- Thomas Germano, MDProvidence, RI 029031841268810
- Nidhi Kapoor, M.D.Providence, RI 029031912972324
- James Monti, M.D.Providence, RI 029031225006877
- Anthony Napoli, MDProvidence, RI 029031952355174
- James Rayner, MDProvidence, RI 029031194793018
Common questions
What is Alyssa Mierjeski, M.D.'s NPI number?
Alyssa Mierjeski, M.D.'s National Provider Identifier (NPI) is 1326496118, issued on Jun 2, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Mierjeski, M.D. located?
The NPPES record lists a practice address at 593 Eddy St, Providence, RI, 02903. Phone: (401) 444-4247. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Mierjeski, M.D.'s license?
NPPES lists Rhode Island license number LP03733, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alyssa Mierjeski, M.D. prescribe under Medicare Part D?
In 2024, Alyssa Mierjeski, M.D. had 184 Medicare Part D claims for 147 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Alyssa Mierjeski, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.