MARGUERITE A. NEILL MD
NPI 1164406930
Internal Medicine - Infectious Disease in Providence, RI
About Marguerite A. Neill Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGUERITE A. NEILL MD (NPI 1164406930) is an individual infectious disease provider in Providence, Rhode Island, licensed in Rhode Island (MD07378) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS, is affiliated with The Miriam Hospital, and maintains a secondary practice location in Pawtucket.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marguerite A. Neill Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Marguerite Neill reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Providence, RI 02903
- Reassigned Medicare billing, Rhode Island enrollment
- 1,372 clinicians in this Medicare group
Providence, RI 02905
- Reassigned Medicare billing, Rhode Island enrollment
- 256 clinicians in this Medicare group
Providence, RI 02904
- Reassigned Medicare billing, Rhode Island enrollment
- 45 clinicians in this Medicare group
Attleboro, MA 02703
- Reassigned Medicare billing, Massachusetts enrollment
- 104 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The Miriam Hospital
Acute Care Hospitals · Providence, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PROVIDENCE, RI 02903
PROVIDENCE, RI 02903
PROVIDENCE, RI 02903
PROVIDENCE, RI 02903
PROVIDENCE, RI 02903
PROVIDENCE, RI 02903
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marguerite Neill's NPI number?
The NPI number for Marguerite Neill is 1164406930. It was assigned to this individual provider in the NPPES registry on December 5, 2005.
Where is Marguerite Neill located?
Marguerite Neill practices at 593 Eddy Street, Providence, RI 02903. The listed phone number is (401) 444-7856.
What is Marguerite Neill's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Marguerite Neill enrolled in Medicare?
Yes. Marguerite Neill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marguerite Neill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marguerite Neill reassigns Medicare benefits to 4 organizations: Lifespan Physician Group, Inc. (Providence, RI), Brown Medicine (Providence, RI), The Miriam Hospital (Providence, RI) and Sturdy Memorial Hospital Inc (Attleboro, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marguerite Neill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marguerite Neill affiliated with any hospitals?
According to CMS data, Marguerite Neill is affiliated with The Miriam Hospital.
When was this NPI record last updated?
The NPPES record for Marguerite Neill was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Marguerite A. Neill, MD · NPI 1164406930
Infectious Disease physician in Providence, Rhode Island. Individual provider, active in the CMS NPPES registry since December 5, 2005.
## Identity
- **NPI:** 1164406930 (Entity type: Individual)
- **Enumerated:** December 5, 2005
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** MD07378 (Rhode Island)
- **Sole proprietor:** No
## Practice location
- **Address:** 593 EDDY STREET, Providence, RI 02903-4400
- **Phone:** (401) 444-7856
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Lifespan Physician Group, Inc. (NPI 1407116643, Providence, RI); Brown Medicine (NPI 1730827767, Providence, RI); The Miriam Hospital (NPI 1275810434, Providence, RI); Sturdy Memorial Hospital Inc (NPI 1730106162, Attleboro, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 1977
## Record status
- **NPPES last updated:** March 17, 2018
- **Other identifiers:** Medicaid 9006470 (RI); Medicaid 110087818A (MA); Other 007057384 (RI)
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Source: [NPI Profile](https://npiprofile.com/npi/1164406930) · Data from the CMS NPPES public registry.