Hector R. Oshiro, MD
Infectious Disease Physician · Pawtucket, RI
Hector R. Oshiro, MD is an infectious disease physician with a practice address in Pawtucket, Rhode Island, and NPI 1720180110, issued on Sep 5, 2006. Check the license (Rhode Island MD10745, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Hector R. Oshiro
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- MD10745 RI
Self-reported in NPPES; status is on the state search - Practice location
- 109 Beechwood Ave, Pawtucket, RI 02860
- Phone
- (401) 729-6151
- Enumerated
- Sep 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (401) 728-2411
- Medicare enrollment
- Enrolled (PECOS I20041220000042); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 66 in Rhode Island → Look up another NPI →
Verify Hector R. Oshiro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD10745Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.6 times the Medicare Part D claims of the average infectious disease physician in 2024
5,917 Medicare Part D claims for 332 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium374 claims
- Omeprazole343 claims
- Amlodipine Besylate296 claims
- Metformin Hcl226 claims
- Losartan Potassium199 claims
- Olmesartan Medoxomil190 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Hector R. Oshiro among 66 infectious disease physician records in Rhode Island
Hector R. Oshiro, MD is one of 66 infectious disease physician records with a practice address in Rhode Island. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 52% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1995 · median 2004 among the 45 with a school on file
- Record last updated2007 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Rhode Island
There are 66 infectious disease physician records in Rhode Island.
All 66 in Rhode Island → Every provider in Pawtucket → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Brian Cilley, DOWakefield, RI 028791760668487
- David Lowe, MDWarwick, RI 028861831207752
- Thomas O'Brien, M.D.Warwick, RI 028861801246491
- Diana Villanueva Donmez, MDWarwick, RI 028861801356332
- Hadeel Zainah, M.D.Warwick, RI 028861457515603
- Patricia Cristofaro, MDGreenville, RI 028281598798688
- Michael Poshkus, MDWest Warwick, RI 028931952341075
- Sapna Chowdhry, MDWoonsocket, RI 028951902843311
Common questions
What is Hector R. Oshiro, MD's NPI number?
Hector R. Oshiro, MD's National Provider Identifier (NPI) is 1720180110, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hector R. Oshiro, MD located?
The NPPES record lists a practice address at 109 Beechwood Ave, Pawtucket, RI, 02860. Phone: (401) 729-6151. Providers update this record themselves, so call before visiting.
How can I verify Hector R. Oshiro, MD's license?
NPPES lists Rhode Island license number MD10745, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hector R. Oshiro, MD prescribe under Medicare Part D?
In 2024, Hector R. Oshiro, MD had 5,917 Medicare Part D claims for 332 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.