Doctor profile · Federal record

Dr. Stuart Demirs, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Charlestown, RI

  • NPI 1285685560
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4099 Old Post RD
Charlestown, RI 02813
(401) 364-0770
fax (401) 364-7694
Mailing address
Po Box 910
Charlestown, RI 028130901

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 23, 2019
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Rhode Island #MD08161

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285685560. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
574
Distinct HCPCS
9
Medicare allowed
$53,513
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 143 86 $130
99497 Advance care planning, first 30 minutes 94 94 $84
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 93 93 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 85 61 $91
G0444 Annual depression screening, 5 to 15 minutes 81 81 $19
G0008 Administration of influenza virus vaccine 24 24 $31
99215 Established patient office or other outpatient visit, 40-54 minutes 22 17 $182
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 18 18 $0
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 14 11 $53

In context: peer comparison

Among 1 peers in Charlestown Internal Medicine Physician, average services per provider: 63. This provider delivers 9.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $16.36

By nature of payment

Food and Beverage
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,815
Patients
483
Total drug cost
$27,278
Drug Type Claims Patients Total cost
Lisinopril Generic 247 69 $2,897
Atorvastatin Calcium Generic 198 57 $2,951
Amlodipine Besylate Generic 179 53 $1,672
Omeprazole Generic 162 44 $2,782
Simvastatin Generic 139 37 $1,484
Metformin Hcl ER (Metformin Hcl) Brand 125 27 $1,333
Rosuvastatin Calcium Generic 106 29 $1,670
Tamsulosin Hcl Generic 101 26 $2,513
Gabapentin Generic 89 23 $2,011
Losartan Potassium Generic 87 20 $1,530

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stuart Demirs's medical specialty?
Dr. Stuart Demirs practices Internal Medicine Physician in Charlestown, RI.
Where does Dr. Stuart Demirs practice?
Dr. Stuart Demirs practices at 4099 Old Post RD, Charlestown, RI 02813. Office phone: 4013640770.
What is Dr. Stuart Demirs's NPI?
Dr. Stuart Demirs's National Provider Identifier (NPI) is 1285685560, issued by NPPES.
Does Dr. Stuart Demirs accept Medicare assignment?
Yes. Dr. Stuart Demirs accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stuart Demirs commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Advance care planning (HCPCS 99497); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.