Stuart Demirs, M.D.
Internal Medicine Physician · Charlestown, RI
Stuart Demirs, M.D. is an internal medicine physician with a practice address in Charlestown, Rhode Island, and NPI 1285685560, issued on May 12, 2006. Check the license (Rhode Island MD08161, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Stuart Demirs
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD08161 RI
Self-reported in NPPES; status is on the state search - Practice location
- 4099 Old Post RD, Charlestown, RI 02813
- Phone
- (401) 364-0770
- Enumerated
- May 12, 2006
- Record last updated
- Jul 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (401) 364-7694
- Medicare enrollment
- Enrolled (PECOS I20051006000913); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 1988
- Entity
- Type 1 · individual
Also registered at 4099 Old Post RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gina Mayo, MS, RNPFamily Nurse Practitioner1528185840
Verify Stuart Demirs 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 MD08161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average internal medicine physician in 2024
4,245 Medicare Part D claims for 342 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 144 claims were for opioids.
Most prescribed
- Atorvastatin Calcium222 claims
- Lisinopril217 claims
- Amlodipine Besylate177 claims
- Omeprazole145 claims
- Rosuvastatin Calcium136 claims
- Simvastatin136 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.
Industry payments in 2024: $16.36
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Stuart V Demirs MD LLCCharlestown, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 internal medicine physician records list a practice address in Charlestown
They are 1 of the 116 NPPES records with a practice address in Charlestown, and 1,033 internal medicine physician records in Rhode Island.
Other internal medicine physician records in Rhode Island
- Zainab AbbasiProvidence, RI1154990125
- Salvatore Abbruzzese, D.O. PCWakefield, RI1396774089
- Azamat Abdyraimov, MDProvidence, RI1184303216
- Marie Abejuela, MDProvidence, RI1326229501
- Reshma Abraham, MDWarwick, RI1972943413
- Alaa Abu Ajamieh, MDProvidence, RI1952283830
- Ahmad Abu Dayyeh, MDWarwick, RI1265322275
- Yusra Abu ShreikhProvidence, RI1255169991
- Yasin Abul, M.DRiverside, RI1235517889
- Lana Abusubaih, MDProvidence, RI1831967876
Common questions
What is Stuart Demirs, M.D.'s NPI number?
Stuart Demirs, M.D.'s National Provider Identifier (NPI) is 1285685560, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stuart Demirs, M.D. located?
The NPPES record lists a practice address at 4099 Old Post RD, Charlestown, RI, 02813. Phone: (401) 364-0770. Providers update this record themselves, so call before visiting.
How can I verify Stuart Demirs, M.D.'s license?
NPPES lists Rhode Island license number MD08161, 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 Stuart Demirs, M.D. prescribe under Medicare Part D?
In 2024, Stuart Demirs, M.D. had 4,245 Medicare Part D claims for 342 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.