Joseph Grillo, M.D.
NPI 1508819608 · Internal Medicine Physician · North Smithfield, RI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Grillo, M.D. is a Internal Medicine Physician provider in North Smithfield, RI (NPI 1508819608).
Provider details
- NPI number
- 1508819608
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD11095 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 175 | 167 |
| Azithromycin | 87 | 87 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 61 | 60 |
| Doxycycline Hyclate | 39 | 30 |
| Levofloxacin | 32 | 32 |
| Etodolac | 29 | 29 |
| Baclofen | 26 | 25 |
| Meloxicam | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2023-01-31
- Certified
- 2023-01-31
Frequently asked questions
- What is Joseph Grillo's NPI number?
- Joseph Grillo's National Provider Identifier (NPI) is 1508819608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Grillo's specialty?
- Joseph Grillo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Grillo located?
- Joseph Grillo's practice location on file with NPPES is 594 Great Rd Ste 102a, North Smithfield, RI 02896-6810.
- What is Joseph Grillo's phone number?
- The practice phone number listed in the NPPES registry for Joseph Grillo is (401) 768-3400.
- Does Joseph Grillo accept Medicare?
- Joseph Grillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Grillo's NPI active?
- Yes — Joseph Grillo's NPI (1508819608) is active in the NPPES registry as of the last update on 2023-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.