Nicole L. Grenier, M.D.
Dermatology Physician · Warwick, RI
Nicole L. Grenier, M.D. is a dermatology physician with a practice address in Warwick, Rhode Island, and NPI 1689899734, issued on Apr 16, 2007. Check the license (Rhode Island MD13784, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Nicole L. Grenier
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MD13784 RI
Self-reported in NPPES; status is on the state search - Practice location
- 400 Bald Hill RD, Warwick, RI 02886
- Phone
- (401) 444-7959
- Enumerated
- Apr 16, 2007
- Record last updated
- Dec 17, 2025
- Fax
- (401) 738-3857
- Medicaid ID
- 1689899734 RI
- Medicare enrollment
- Enrolled (PECOS I20120220000011); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 2006
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 73 in Rhode Island → Look up another NPI →
Also registered at 400 Bald Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Bessette, LMHCMental Health Counselor1417108523
- Joseph BlanchardHearing Instrument Specialist1548646045
- Tara Bogs, PH.D.Clinical Psychologist1043385081
- Kalina Brabeck, PH.D.Counseling Psychologist1417109232
- Amber Champagne, PSYDClinical Psychologist1073245940
- Irene Chliwner, MDInternal Medicine Physician1588745491
Verify Nicole L. Grenier 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 MD13784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average dermatology physician in 2024
948 Medicare Part D claims for 376 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Triamcinolone Acetonide152 claims
- Ketoconazole134 claims
- Clobetasol Propionate51 claims
- Fluorouracil42 claims
- Betamethasone Dipropionate41 claims
- Doxycycline Monohydrate38 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.
Bills Medicare through 3 group practices
- Brown Dermatology IncProvidence, RI
- Lifespan Physician Group IncNorth Providence, RI
- Nantucket Dermatology LLCNantucket, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicole L. Grenier among 73 dermatology physician records in Rhode Island
Nicole L. Grenier, M.D. is one of 73 dermatology physician records with a practice address in Rhode Island. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2006 · median 2006 among the 49 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Rhode Island
There are 73 dermatology physician records in Rhode Island.
All 73 in Rhode Island → Every provider in Warwick → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Dana Hall, M.D.Warwick, RI 028881245298553
- Louis Colavecchio, M.D.Narragansett, RI 028821972597003
- Michael HarwoodWesterly, RI 028911083839138
- Jon Solis, MDWesterly, RI 028911184622714
- Tara Whelan, DOWesterly, RI 028911619273042
- Orazio Basile, MDWoonsocket, RI 028951851310809
- Lionel Bercovitch, M.D.Providence, RI 029031962473314
- Stephen Glinick, MDProvidence, RI 029031255337671
Common questions
What is Nicole L. Grenier, M.D.'s NPI number?
Nicole L. Grenier, M.D.'s National Provider Identifier (NPI) is 1689899734, issued on Apr 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nicole L. Grenier, M.D. located?
The NPPES record lists a practice address at 400 Bald Hill RD, Warwick, RI, 02886. Phone: (401) 444-7959. Providers update this record themselves, so call before visiting.
How can I verify Nicole L. Grenier, M.D.'s license?
NPPES lists Rhode Island license number MD13784, 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 Nicole L. Grenier, M.D. prescribe under Medicare Part D?
In 2024, Nicole L. Grenier, M.D. had 948 Medicare Part D claims for 376 beneficiaries; the average among dermatology physician prescribers was 797. 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.