NPPES file of Aug 9, 2026

Marguerite A. Neill, MD

Infectious Disease Physician · Providence, RI

Marguerite A. Neill, MD is an infectious disease physician with a practice address in Providence, Rhode Island, and NPI 1164406930, issued on Dec 5, 2005. Check the license (Rhode Island MD07378, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164406930
Name
Marguerite A. Neill
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
MD07378 RI
Self-reported in NPPES; status is on the state search
Practice location
593 Eddy Street, Providence, RI 02903
Phone
(401) 444-7856
Enumerated
Dec 5, 2005
Record last updated
Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicaid IDs
110087818A MA
9006470 RI
Medicare enrollment
Enrolled (PECOS I20050311000164); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1977
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 593 Eddy Street

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

  1. Sandra Aguiar, M.S., CCC-SLPSpeech-Language Pathologist1568522548
  2. Sibel Algon, MDPsychiatry Physician1891851648
  3. Saud Alhusaini, MD, PHDNeurology Physician1699253591
  4. Jason Aliotta, MDPulmonary Disease Physician1558314757
  5. Kerri Amaral, N.P.Acute Care Nurse Practitioner1851601611
  6. Ellen Andrews-Manocchia, CRNACertified Registered Nurse Anesthetist1306967104

Verify Marguerite A. Neill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD07378
    Check 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

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81% fewer Medicare Part D claims than the average infectious disease physician in 2024

133 Medicare Part D claims for 28 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Marguerite Neill133
  2. Specialty average689

Most prescribed

  1. Levofloxacin22 claims
  2. Ethambutol Hcl15 claims
  3. Rifampin14 claims
  4. Azithromycin13 claims
  5. Cephalexin12 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.

Bills Medicare through 2 group practices

  1. Brown MedicineRiverside, RI
  2. Lifespan Physician Group IncProvidence, RI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marguerite A. Neill among 66 infectious disease physician records in Rhode Island

Marguerite A. Neill, MD is one of 66 infectious disease physician records with a practice address in Rhode Island. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1977 · median 2004 among the 45 with a school on file
  • Record last updated2018 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Rhode Island

There are 66 infectious disease physician records in Rhode Island.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Angela Caliendo, M.D., PH.D.Providence, RI 029031063470995
  2. Eirini Christaki, M.D.Providence, RI 029031972706331
  3. Dimitrios Farmakiotis, M.D.Providence, RI 029031255625919
  4. Staci Fischer, MDProvidence, RI 029031609821404
  5. Sara Geffert, M.D., M.S., M(ASCP)Providence, RI 029031083971097
  6. Kevin Gibas, M.D.Providence, RI 029031679009658
  7. Leah Harvey, MD, MPHProvidence, RI 029031700248424
  8. Jana Jarolimova, MDProvidence, RI 029031275946253

Common questions

What is Marguerite A. Neill, MD's NPI number?

Marguerite A. Neill, MD's National Provider Identifier (NPI) is 1164406930, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marguerite A. Neill, MD located?

The NPPES record lists a practice address at 593 Eddy Street, Providence, RI, 02903. Phone: (401) 444-7856. Providers update this record themselves, so call before visiting.

How can I verify Marguerite A. Neill, MD's license?

NPPES lists Rhode Island license number MD07378, 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 Marguerite A. Neill, MD prescribe under Medicare Part D?

In 2024, Marguerite A. Neill, MD had 133 Medicare Part D claims for 28 beneficiaries; the average among infectious disease physician prescribers was 689. 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.