DR. JAMES B MOSS III MD
NPI 1902810344
Internal Medicine - Cardiovascular Disease in Mystic, CT

Active since July 29, 2006PECOS EnrolledAccepts Medicare Assignment
100 PERKINS FARM DR STE 301, MYSTIC, CT 06355(860) 572-5400(860) 245-0001 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 6, 2026, Dec 16, 2022, Sep 15, 2020 (3 updates tracked since 2020).

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

NPI1902810344
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. JAMES B MOSS IIICredential: MD
Location Address100 PERKINS FARM DR STE 301Mystic, CT 06355-4041
Mailing Address100 Perkins Farm Dr Ste 301Mystic, CT 06355-4041 · (860) 572-5400 · Fax (860) 245-0001
Fax(860) 245-0001
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 1985
Enumeration DateJuly 29, 2006
Last NPPES UpdateJanuary 6, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
NPI 1902810344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses Licensed in CT · 70198 Licensed in RI · MD21052
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
100 PERKINS FARM DR STE 301, Mystic, CT 06355

Secondary Practice Location 1

Location 145 Wells St Ste 102Westerly, RI 02891-2927 · Phone (401) 596-4499 · Fax (401) 596-6360

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID2567375553
PECOS Enrollment IDI20230105000983, I20260303002660
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410013
Location25 Wells StreetWesterly, RI 02891 · Washington County
Emergency services

Physician 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.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine (Cardiovascular Disease)
100 PERKINS FARM DR STE 301
MYSTIC, CT 06355
Internal Medicine (Cardiovascular Disease)
100 PERKINS FARM DR STE 301
MYSTIC, CT 06355
Nurse Practitioner
100 PERKINS FARM DR STE 301
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.

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 6 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.