JOSEPH FRANK GRILLO M.D.
NPI 1508819608
Internal Medicine in North Smithfield, RI

Active since May 18, 2006PECOS Enrolled
594 GREAT RD STE 102A, NORTH SMITHFIELD, RI 02896(401) 768-3400(401) 768-3400 Get Directions Write a Review

NPPES record last updated: January 31, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 31, 2023, Jun 3, 2020 (2 updates tracked since 2020).

About Joseph Frank Grillo M.d. NPPES

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

JOSEPH FRANK GRILLO M.D. (NPI 1508819608) is an individual internal medicine provider in North Smithfield, Rhode Island, licensed in Rhode Island (MD11095) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508819608
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOSEPH FRANK GRILLOCredential: M.D.
Location Address594 GREAT RD STE 102ANorth Smithfield, RI 02896-6810
Mailing Address594 Great Rd Ste 102aNorth Smithfield, RI 02896-6810 · (401) 768-3400 · Fax (401) 768-3400
Fax(401) 768-3400
Sole ProprietorNo
Enumeration DateMay 18, 2006
Last NPPES UpdateJanuary 31, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 31, 2023
✔ NPI 1508819608 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 · MD11095
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.
594 GREAT RD STE 102A, North Smithfield, RI 02896

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joseph Frank Grillo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

5

Medicare enrollment records show Joseph Grillo reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
594 GREAT RD, SUITE 103
North Smithfield, RI 02896
  • Reassigned Medicare billing, Rhode Island enrollment
  • 4 clinicians in this Medicare group
Urgent Care
2 WAKE ROBIN RD, SUITE 106
Lincoln, RI 02865
  • Reassigned Medicare billing, Rhode Island enrollment
  • 6 clinicians in this Medicare group
Internal Medicine
1830 MINERAL SPRING AVE
North Providence, RI 02904
  • Reassigned Medicare billing, Rhode Island enrollment
  • 12 clinicians in this Medicare group
Urgent Care
1830 MINERAL SPRING AVE
North Providence, RI 02904
  • Reassigned Medicare billing, Rhode Island enrollment
  • 13 clinicians in this Medicare group
Internal Medicine
775 CENTRE OF NEW ENGLAND BLVD
West Greenwich, RI 02817
  • Reassigned Medicare billing, Rhode Island enrollment
  • 13 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02896 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
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
Most-billed visit code 99214
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.

Physician Assistant
594 GREAT RD STE 102A
NORTH SMITHFIELD, RI 02896
Internal Medicine
594 GREAT RD STE 102A, SUITE 105
NORTH SMITHFIELD, RI 02896
Nurse Practitioner (Family)
594 GREAT RD STE 102A
NORTH SMITHFIELD, RI 02896

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 Joseph Grillo's NPI number?

The NPI number for Joseph Grillo is 1508819608. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Joseph Grillo located?

Joseph Grillo practices at 594 Great Rd Ste 102A, North Smithfield, RI 02896. The listed phone number is (401) 768-3400.

What is Joseph Grillo's specialty?

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

Is Joseph Grillo enrolled in Medicare?

Yes. Joseph Grillo is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joseph Grillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Grillo reassigns Medicare benefits to 5 organizations: North Smithfield Urgent Care,llc (North Smithfield, RI), Lincoln Urgent Care Center, Inc. (Lincoln, RI), North Providence Primary Care Assoc Inc (North Providence, RI), North Providence Urgent Care (North Providence, RI) and Center Of New England Primary Care Inc (West Greenwich, RI). 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 Joseph Grillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joseph Grillo was last updated on January 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.