Katherine Allder, MD
Emergency Medicine Physician · Providence, RI
Katherine Allder, MD is an emergency medicine physician with a practice address in Providence, Rhode Island, and NPI 1982393831, issued on May 5, 2023. Check the license (Rhode Island LP05898, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Katherine Allder
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- LP05898 RI
Self-reported in NPPES; status is on the state search - Practice location
- 593 Eddy St, Providence, RI 02903
- Phone
- (401) 444-6489
- Enumerated
- May 5, 2023
- Record last updated
- Feb 9, 2026
- Entity
- Type 1 · individual
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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Verify Katherine Allder 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 LP05898Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average emergency medicine physician in 2024
38 Medicare Part D claims for 28 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.
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 246 in Providence → All 418 in Rhode Island → Every provider in Providence →
Other emergency medicine physician records in Rhode Island
- Stephanie Aaron, DOWarwick, RI1063941540
- Ana Acevedo, MDProvidence, RI1841094463
- Matthew AlamWarwick, RI1609718170
- Vladana Aleman-Brizuela, M.D.North Providence, RI1043553027
- Fahad Ali, MDProvidence, RI1790308393
- Amy Allen, MDProvidence, RI1477130748
- Julia Alpin, D.O.Warwick, RI1497923296
- Richard Altreuter, M.D.Kingston, RI1972833580
- Adam Aluisio, M.D.Providence, RI1477840122
- Jonathan Ameli, M.D.Providence, RI1831536150
Common questions
What is Katherine Allder, MD's NPI number?
Katherine Allder, MD's National Provider Identifier (NPI) is 1982393831, issued on May 5, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Allder, MD located?
The NPPES record lists a practice address at 593 Eddy St, Providence, RI, 02903. Phone: (401) 444-6489. Providers update this record themselves, so call before visiting.
How can I verify Katherine Allder, MD's license?
NPPES lists Rhode Island license number LP05898, 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 Katherine Allder, MD prescribe under Medicare Part D?
In 2024, Katherine Allder, MD had 38 Medicare Part D claims for 28 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.