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STUART DEMIRS M.D.
NPI 1285685560
Internal Medicine in Charlestown, RI

Active since May 12, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 41D0896901 · Waiver
4099 OLD POST RD, CHARLESTOWN, RI 02813(401) 364-0770(401) 364-7694 Get Directions Write a Review

NPPES record last updated: July 23, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Stuart Demirs M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STUART DEMIRS M.D. (NPI 1285685560) is an individual internal medicine provider in Charlestown, Rhode Island, licensed in Rhode Island (MD08161) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through January 23, 2027, and is affiliated with South County Hospital Inc.

NPPES Registry Identity

NPI1285685560
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTUART DEMIRSCredential: M.D.
Location Address4099 OLD POST RDCharlestown, RI 02813
Mailing AddressPo Box 910Charlestown, RI 02813-0901 · (401) 364-0770 · Fax (401) 364-7694
Phone(401) 364-0770
Fax(401) 364-7694
Sole ProprietorYes
Medical School CMSAlbany Medical College Of Union UniversityGraduated 1988
Enumeration DateMay 12, 2006
Last NPPES UpdateJuly 23, 2019
✔ NPI 1285685560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in RI · MD08161
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License MD08161 (RI)
4099 OLD POST RD, Charlestown, RI 02813
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Secondary Practice Location 1

Location 14099 old post rdcharlestown, RI 02813 · Phone (401) 364-0770 · Fax (401) 364-7694

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Stuart Demirs M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446275663
PECOS Enrollment IDI20051006000913
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 41D0896901

Stuart Demirs MD · Charlestown, RI
Active · expires Jan 23, 2027
CLIA Number41D0896901
Laboratory TypePhysician Office
Certificate Effective DateJanuary 24, 2025
Certificate Expiration DateJanuary 23, 2027
Laboratory DirectorStuart V. Demirs MD
Laboratory Phone(401) 364-0770
Laboratory LocationStuart Demirs MD4099 Old Post Road, Charlestown, RI 02813
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
164 services94 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
88 services88 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
80 services80 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
76 services76 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
61 services46 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
26 services26 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

South County Hospital Inc

Acute Care Hospitals · Wakefield, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410008
Location100 Kenyon AveWakefield, RI 02879 · Washington County
Emergency services Birthing friendly

The Miriam Hospital

Acute Care Hospitals · Providence, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410012
Location164 Summit AvenueProvidence, RI 02906 · Providence County
Emergency services

Westerly Hospital

Acute Care Hospitals · Westerly, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410013
Location25 Wells StreetWesterly, RI 02891 · Washington County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02813 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STUART V DEMIRS MD LLC
Internal Medicine
4099 OLD POST RD
CHARLESTOWN, RI 02813
Washington County (401) 364-0770
GINA COZZOLINO MAYO MS, RNP
Nurse Practitioner (Family)
4099 OLD POST RD
CHARLESTOWN, RI 02813
Washington County (401) 364-0770

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stuart Demirs's NPI number?

The NPI number for Stuart Demirs is 1285685560. It was assigned to this individual provider in the NPPES registry on May 12, 2006.

Where is Stuart Demirs located?

Stuart Demirs practices at 4099 Old Post Rd, Charlestown, RI 02813. The listed phone number is (401) 364-0770.

What is Stuart Demirs's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Stuart Demirs enrolled in Medicare?

Yes. Stuart Demirs is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Stuart Demirs hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 41D0896901) is associated with this NPI, valid through January 23, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is Stuart Demirs affiliated with any hospitals?

According to CMS data, Stuart Demirs is affiliated with South County Hospital Inc, The Miriam Hospital and Westerly Hospital.

When was this NPI record last updated?

The NPPES record for Stuart Demirs was last updated on July 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.