DR. ROY M MAIN MD
NPI 1750442794
Internal Medicine in Westerly, RI
About Dr. Roy M Main Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROY M MAIN MD (NPI 1750442794) is an individual internal medicine provider in Westerly, Rhode Island, licensed in Connecticut (031865) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Westerly Hospital, and is a graduate of University Of Mississippi School Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
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
Dr. Roy M Main 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 Reassignment
Medicare enrollment records show Roy Main reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baton Rouge, LA 70816
- Reassigned Medicare billing, Connecticut and Rhode Island enrollments
- 127 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 3
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.
Westerly Hospital
Acute Care Hospitals · Westerly, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02891 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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 Roy Main's NPI number?
The NPI number for Roy Main is 1750442794. It was assigned to this individual provider in the NPPES registry on December 13, 2006.
Where is Roy Main located?
Roy Main practices at 6 Reed Dr, Westerly, RI 02891. The listed phone number is (401) 580-1788.
What is Roy Main's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Roy Main enrolled in Medicare?
Yes. Roy Main 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 organization bills Medicare for Roy Main's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roy Main reassigns Medicare benefits to Hospital Medicine Associates LLC (Baton Rouge, LA). The 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 Roy Main's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Roy Main accept?
Health plans from Anthem Blue Cross and Blue Shield list Roy Main as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Roy Main affiliated with any hospitals?
According to CMS data, Roy Main is affiliated with Westerly Hospital.
When was this NPI record last updated?
The NPPES record for Roy Main was last updated on May 5, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Roy M Main, MD · NPI 1750442794
Internal Medicine physician in Westerly, Rhode Island. Individual provider, active in the CMS NPPES registry since December 13, 2006.
## Identity
- **NPI:** 1750442794 (Entity type: Individual)
- **Enumerated:** December 13, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 031865 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6 REED DR, Westerly, RI 02891-3934
- **Phone:** (401) 580-1788
## 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:** Hospital Medicine Associates LLC (NPI 1093758781, Baton Rouge, LA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Mississippi School Of Medicine, class of 1984
## Record status
- **NPPES last updated:** May 5, 2015
- **Other identifiers:** Medicaid 001318650 (CT); Medicare UPIN B30093 (CT); Medicare ID-Type Unspecified 110008581 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1750442794) · Data from the CMS NPPES public registry.