Greigstone Montgomery Yearwood, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD07911 Issued in RI

Practice address

191 Social St Ste 840
Woonsocket, RI 02895-3213

Phone

(401) 762-2535

Fax

(401) 762-2858

NPI assigned

Apr 26, 2006

Sex

Male

Sole proprietor

Yes

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

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 1

Specialty

Internal Medicine

Education

Other, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Nurse on Call Home health agency, Lincoln, RI, CCN 417059
• Landmark Medical Center Hospital, Woonsocket, RI, CCN 410011
• The Miriam Hospital Hospital, Providence, RI, CCN 410012

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gyearwood@direct.carene.org

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.

• Blackstone Valley Center for Internal Medicine, Inc

  • Primary Care Clinic/Center
  • Woonsocket, RI
  • NPI 1659338655
  Medicare reassignment NPD Authorized official
• Prime Healthcare Services Landmark LLC

  • Hematology & Oncology Physician
  • Woonsocket, RI
  • NPI 1518388651
  Medicare reassignment NPD
• Blackstone Valley Center for Internal Medicine,Inc.

  • Non-Pharmacy Dispensing Site
  • Woonsocket, RI
  • NPI 1326188095
  NPD
• Prime Healthcare Services Landmark LLC

  • General Acute Care Hospital
  • Woonsocket, RI
  • NPI 1699752923
  NPD

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

• Innovative Senior Care Home Health of Rhode Island LLC

  • Home Health Agency
  • Lincoln, RI
  • NPI 1578839361
  Care Compare affiliation
• Prime Healthcare Services Landmark LLC

  • General Acute Care Hospital
  • Woonsocket, RI
  • NPI 1699752923
  Care Compare affiliation
• Prime Healthcare Services-Landmark LLC

  • Psychiatric Hospital Unit
  • Woonsocket, RI
  • NPI 1396722666
  Care Compare affiliation
• The Miriam Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1487649430
  Care Compare affiliation

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

{
    "created_epoch": "1146009600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1689631640",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "191 SOCIAL ST STE 840",
            "city": "WOONSOCKET",
            "state": "RI",
            "postal_code": "028953213",
            "telephone_number": "401-762-2535",
            "fax_number": "401-762-2858"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "191 SOCIAL ST STE 840",
            "city": "WOONSOCKET",
            "state": "RI",
            "postal_code": "028953213",
            "telephone_number": "401-762-2535",
            "fax_number": "401-762-2858"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20 Cumberland Hill Rd Unit 202",
            "address_purpose": "LOCATION",
            "city": "Woonsocket",
            "state": "RI",
            "postal_code": "028954854",
            "country_code": "US",
            "telephone_number": "401-488-4003",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "115 Cass Ave",
            "address_purpose": "LOCATION",
            "city": "Woonsocket",
            "state": "RI",
            "postal_code": "028954705",
            "country_code": "US",
            "telephone_number": "401-769-4100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YEARWOOD",
        "first_name": "GREIGSTONE",
        "middle_name": "MONTGOMERY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-04-26",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "RI",
            "license": "MD07911",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9020093",
            "state": "RI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Rhonda L Wright
• Lori Anne Wunschel, LCDP
• Wyndemere Woods LLC
• Yut Yang, LCSW
• Penelope Anne Yanni, M.D., PH.D.
• Kathryn Lee Yorke, M.S CCC-SLP
• Krystian Young, PHARMD
• Mohammed Yousufuddin
• Tiffany Lynn Zagaglia
• Ryan Sean Zappia, RN

• Internal Medicine Physician in Woonsocket, RI
• Providers in Woonsocket, RI by specialty
• Internal Medicine Physician in Rhode Island

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; 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.