Registry data as of Aug 27, 2026

Frederick Jaccarino, MD

Emergency Medicine Physician · Westerly, RI

Frederick Jaccarino, MD is an emergency medicine physician with a practice address in Westerly, Rhode Island, and NPI 1245334952, issued on Sep 12, 2006. Check the license on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1245334952
Name
Frederick Jaccarino
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
Practice location
25 Wells St, Westerly, RI 02891
Phone
(401) 596-6000
Enumerated
Sep 12, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 25 Wells St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jessica AimoneRegistered Dietitian1659469088
  2. Matthew Amaral, PHARMD., RPHPharmacist1750948667
  3. Jeanne Ansel, PAPhysician Assistant1124067178
  4. Bridget Azera, MDHospitalist Physician1861997272
  5. Bart Bachura, CRNACertified Registered Nurse Anesthetist1568846301
  6. Julie Barber, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1144887118

Verify Frederick Jaccarino in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and DisciplineCheck 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 Rhode Island license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

97% fewer Medicare Part D claims than the average emergency medicine physician in 2024

11 Medicare Part D claims, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.

  1. Frederick Jaccarino11
  2. Specialty average355

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.

10 emergency medicine physician records list a Westerly practice address

They are 10 of the 416 NPPES records with a Westerly practice address, and 375 emergency medicine physician records in Rhode Island.

Other emergency medicine physician records in Rhode Island

  1. Stephanie Aaron, DOWarwick, RI1063941540
  2. Ana Acevedo, MDProvidence, RI1841094463
  3. Matthew AlamWarwick, RI1609718170
  4. Vladana Aleman-Brizuela, M.D.North Providence, RI1043553027
  5. Fahad Ali, MDProvidence, RI1790308393
  6. Katherine Allder, MDProvidence, RI1982393831
  7. Amy Allen, MDProvidence, RI1477130748
  8. Christopher Allison, MDProvidence, RI1700248846
  9. Richard Altreuter, M.D.Kingston, RI1972833580
  10. Adam Aluisio, M.D.Providence, RI1477840122

Common questions

What is Frederick Jaccarino, MD's NPI number?

Frederick Jaccarino, MD's National Provider Identifier (NPI) is 1245334952, issued on Sep 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Frederick Jaccarino, MD located?

The NPPES record lists a practice address at 25 Wells St, Westerly, RI, 02891. Phone: (401) 596-6000. Providers update this record themselves, so call before visiting.

How can I verify Frederick Jaccarino, MD's license?

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 Frederick Jaccarino, MD prescribe under Medicare Part D?

In 2024, Frederick Jaccarino, MD had 11 Medicare Part D claims; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.