DR. JAMES B MOSS III MD
NPI 1902810344
Internal Medicine - Cardiovascular Disease in Mystic, CT
About Dr. James B Moss Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES B MOSS III MD (NPI 1902810344) is an individual cardiovascular disease provider in Mystic, Connecticut, licensed in Connecticut (70198) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Westerly Hospital, and maintains a secondary practice location in Westerly.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. James B Moss Iii 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
2Medicare enrollment records show James Moss reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut and Rhode Island enrollments
- 1,921 clinicians in this Medicare group
Torrington, CT 06790
- Reassigned Medicare billing, Connecticut enrollment
- 374 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.
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 06355 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MYSTIC, CT 06355
MYSTIC, CT 06355
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 James Moss's NPI number?
The NPI number for James Moss is 1902810344. It was assigned to this individual provider in the NPPES registry on July 29, 2006.
Where is James Moss located?
James Moss practices at 100 Perkins Farm Dr Ste 301, Mystic, CT 06355. The listed phone number is (860) 572-5400.
What is James Moss's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is James Moss enrolled in Medicare?
Yes. James Moss 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 James Moss's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Moss reassigns Medicare benefits to 2 organizations: Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT) and The Charlotte Hungerford Hospital (Torrington, CT). 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 James Moss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Moss accept?
Health plans from Anthem Blue Cross and Blue Shield list James Moss 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 James Moss affiliated with any hospitals?
According to CMS data, James Moss is affiliated with Westerly Hospital.
When was this NPI record last updated?
The NPPES record for James Moss was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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. James B Moss III, MD · NPI 1902810344
Cardiovascular Disease physician in Mystic, Connecticut. Individual provider, active in the CMS NPPES registry since July 29, 2006.
## Identity
- **NPI:** 1902810344 (Entity type: Individual)
- **Enumerated:** July 29, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 70198 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 PERKINS FARM DR STE 301, Mystic, CT 06355-4041
- **Phone:** (860) 572-5400 · **Fax:** (860) 245-0001
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT); The Charlotte Hungerford Hospital (NPI 1629075734, Torrington, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 1985
## Record status
- **NPPES last updated:** January 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1902810344) · Data from the CMS NPPES public registry.