Michael Poshkus, MD
NPI 1952341075 · Infectious Disease Physician · West Warwick, RI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Poshkus, MD is a Infectious Disease Physician provider in West Warwick, RI (NPI 1952341075).
Provider details
- NPI number
- 1952341075
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD11272 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
3 documented practice locations
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 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 255 | 56 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 245 | 26 |
| Gabapentin | 211 | 35 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 198 | 43 |
| Lisinopril | 162 | 33 |
| Omeprazole | 145 | 39 |
Practice location
Mailing address
Additional practice locations (2)
- 1 River StWakefield, RI 02879-3214Phone: (401) 767-4100
- 450 Clinton StWoonsocket, RI 02895-3207Phone: (401) 767-4100
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2025-10-08
- Certified
- 2025-10-08
Frequently asked questions
- What is Michael Poshkus's NPI number?
- Michael Poshkus's National Provider Identifier (NPI) is 1952341075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Poshkus's specialty?
- Michael Poshkus is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Poshkus located?
- Michael Poshkus's practice location on file with NPPES is 186 Providence St, West Warwick, RI 02893-2508.
- What is Michael Poshkus's phone number?
- The practice phone number listed in the NPPES registry for Michael Poshkus is (401) 615-2800.
- Does Michael Poshkus accept Medicare?
- Michael Poshkus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Poshkus's NPI active?
- Yes — Michael Poshkus's NPI (1952341075) is active in the NPPES registry as of the last update on 2025-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.