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OCEAN STATE MEDICAL, LLC
NPI 1376820589
Internal Medicine in Johnston, RI

Active since November 16, 2011CLIA 41D0947416 · Waiver
1539 ATWOOD AVE STE 101, JOHNSTON, RI 02919(401) 272-3410(401) 272-3417 Get Directions Write a Review

NPPES record last updated: November 16, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ocean State Medical, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OCEAN STATE MEDICAL, LLC (NPI 1376820589) is a healthcare organization registered as an internal medicine in Johnston, Rhode Island and active in the NPI registry since November 2011. The organization holds a CLIA Waiver certificate valid through June 15, 2028 and lists Fred F Ferri, President, as its authorized official.

NPPES Registry Identity

NPI1376820589
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameOCEAN STATE MEDICAL, LLC
Location Address1539 ATWOOD AVE STE 101Johnston, RI 02919-3262
Mailing Address1539 Atwood Ave, Ste. 101Johnston, RI 02919-3262 · (401) 272-3410 · Fax (401) 272-3417
Phone(401) 272-3410
Fax(401) 272-3417
Organization SubpartNo
Authorized OfficialFred F FerriPresident · (401) 272-3410
Enumeration DateNovember 16, 2011
✔ NPI 1376820589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in RI · RI6753
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1539 ATWOOD AVE STE 101, Johnston, RI 02919
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ocean State Medical, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Ocean State Medical, LLC, which bills Medicare for the services they deliver. Of these, 6 practice at this address. They are listed nearest first.

Clinicians, nearest first (6)

Vito Ferri, D.O.
Internal Medicine
NPI 1518288075
1539 ATWOOD AVE., SUITE 101
Johnston, RI 02919
(401) 272-3410
✔ PECOS✔ Accepts MedicareSame address
Christopher Ferri, D.O
Internal Medicine
NPI 1952740250
1539 ATWOOD AVE STE 101
Johnston, RI 02919
(401) 272-3410
✔ PECOS✔ Accepts MedicareSame address
Amber Messitt, DO
Internal Medicine
NPI 1306157730
1539 ATWOOD AVE
Johnston, RI 02919
(401) 272-3410
✔ PECOS✔ Accepts MedicareSame address
Frank Savoretti, MD
Internal Medicine
NPI 1750377149
1539 ATWOOD AVE SUITE 101
Johnston, RI 02919
(401) 272-3410
✔ PECOS✔ Accepts MedicareSame address
Federico Ferri, MD
Internal Medicine
NPI 1013903400
1539 ATWOOD AVE SUITE 101
Johnston, RI 02919
(401) 272-3410
✔ PECOS✔ Accepts MedicareSame address
Alberto Savoretti, M.D.
Internal Medicine
NPI 1033205745
1539 ATWOOD AVE SUITE 101
Johnston, RI 02919
(401) 272-3410
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 41D0947416

Ocean State Medical, LLC · Johnston, RI
Active · expires Jun 15, 2028
CLIA Number41D0947416
Laboratory TypePhysician Office
Certificate Effective DateJune 16, 2026
Certificate Expiration DateJune 15, 2028
Laboratory DirectorFrank Savoretti MD
Laboratory Phone(401) 272-3410
Laboratory LocationOcean State Medical, LLC1539 Atwood Ave Suite 101, Johnston, RI 02919
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Ocean State Medical, LLC's NPI number?

The NPI number for Ocean State Medical, LLC is 1376820589. It was assigned to this organization in the NPPES registry on November 16, 2011.

Where is Ocean State Medical, LLC located?

Ocean State Medical, LLC is located at 1539 Atwood Ave Ste 101, Johnston, RI 02919. The listed phone number is (401) 272-3410.

What is Ocean State Medical, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ocean State Medical, LLC enrolled in Medicare?

Yes. Ocean State Medical, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ocean State Medical, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians, all in Internal Medicine, reassign their Medicare billing to Ocean State Medical, LLC. A 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 the clinician's services. Of these, 6 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Ocean State Medical, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 41D0947416) is associated with this NPI, valid through June 15, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ocean State Medical, LLC was last updated on November 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.