Nicole L Grenier, M.D.

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

MD13784 Issued in RI

Practice address

400 Bald Hill Rd
Warwick, RI 02886-1617

Phone

(401) 444-7959

Fax

(401) 738-3857

NPI assigned

Apr 16, 2007

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in RI, MA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Dermatology

Education

Warren Alpert Medical School of Brown University, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lifespan Physician Group IncGroup PAC ID 2567455082, 1,151 clinicians

Nantucket Dermatology LLCGroup PAC ID 7719147917, 7 clinicians

Brown Dermatology IncGroup PAC ID 3870872773, 28 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• The Miriam Hospital Hospital, Providence, RI, CCN 410012
• Beth Israel Deaconess Medical Center Hospital, Boston, MA, CCN 220086
• Rhode Island Hospital Hospital, Providence, RI, CCN 410007

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/JCEBBD
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Brown Dermatology, Inc.

  • Dermatology Physician
  • Providence, RI
  • NPI 1730538026
  Medicare reassignment Care Compare group NPD
• Lifespan Physician Group, Inc.

  dba Brown Health Medical Group

  • General Practice Physician
  • Providence, RI
  • NPI 1407116643
  Medicare reassignment Care Compare group NPD
• Nantucket Dermatology, LLC

  • Dermatology Physician
  • Nantucket, MA
  • NPI 1689944811
  Medicare reassignment Care Compare group NPD
• Lifespan Physician Group, Inc.

  dba Brown Health Medical Group

  • Emergency Medicine Physician
  • Providence, RI
  • NPI 1568325678
  NPD
• Dermatology Consultants of S FL PA

  • Dermatology Physician
  • Coral Springs, FL
  • NPI 1629186523
  NPD (past)
• Skin and Cancer Associates

  • Dermatology Physician
  • Plantation, FL
  • NPI 1427017292
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Rhode Island Hospital

  dba LifePact

  • Ambulance
  • Providence, RI
  • NPI 1053552299

  Hospital

  Care Compare affiliation
• Rhode Island Hospital

  • Clinic/Center
  • Providence, RI
  • NPI 1154663383

  Hospital

  Care Compare affiliation
• Rhode Island Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1588659528
  Care Compare affiliation
• Rhode Island Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1972768174
  Care Compare affiliation
• The Miriam Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1487649430
  Care Compare affiliation
• Beth Israel Deaconess Medical Center, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1548202641
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1176681600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765929600000",
    "number": "1689899734",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15 LA SALLE SQ",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029031814",
            "telephone_number": "401-444-6779",
            "fax_number": "401-444-6912"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 BALD HILL RD",
            "city": "WARWICK",
            "state": "RI",
            "postal_code": "028861617",
            "telephone_number": "401-444-7959",
            "fax_number": "401-738-3857"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "65 Village Square Dr Ste 201",
            "address_purpose": "LOCATION",
            "city": "South Kingstown",
            "state": "RI",
            "postal_code": "028792569",
            "country_code": "US",
            "telephone_number": "401-444-7959",
            "fax_number": "401-515-7910",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRENIER",
        "first_name": "NICOLE",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-04-16",
        "last_updated": "2025-12-17",
        "certification_date": "2025-12-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "RI",
            "license": "MD13784",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1689899734",
            "state": "RI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Greenwood Psychotherapy
• Greenwood Psychotherapy and Wellness Center LLC
• Michael Raymond Gregoire Sr., RPH
• Carla May Greichen, LMHC
• Debra Greiner, NPP
• Steven Tyler Grenier, LCDP
• Kelsey A Grenus
• Lauren Dale Greve, PH.D.
• Michele Grieco
• Katie Grifka, LICSW

• Dermatology Physician in Warwick, RI
• Providers in Warwick, RI by specialty
• Dermatology Physician in Rhode Island

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.