Sharon A Hart Silveira, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

15702 Issued in NH

Practice address

2300 Southwood Dr
Nashua, NH 03063-1818

Phone

(603) 577-4000

Fax

(603) 640-1228

NPI assigned

Jul 16, 2008

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NH

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

Obstetrics/Gynecology

Education

Geisel School of Medicine at Dartmouth, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mary Hitchcock Memorial HospitalGroup PAC ID 4486561164, 1,269 clinicians

Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, shared by 2 NPIs, 1,445 clinicians

Foundation Medical Partners IncGroup PAC ID 9436140456, 313 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mary Hitchcock Memorial Hospital Hospital, Lebanon, NH, CCN 300003
• Southern NH Medical Center Hospital, Nashua, NH, CCN 300020
• St Joseph Hospital Hospital, Nashua, NH, CCN 300011

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: shartsilveira94773@direct.dartmouth-hitchcock.org
• Direct secure messaging: shartsilveira95717@direct.solutionhealth.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.

• Foundation Medical Partners Inc

  • Internal Medicine Physician
  • Nashua, NH
  • NPI 1033162037

  Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1023092053
  Medicare reassignment Care Compare group NPD
• Dartmouth-Hitchcock Clinic

  • Family Medicine Physician
  • Manchester, NH
  • NPI 1386697803

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Dartmouth-Hitchcock Clinic

  • Internal Medicine Physician
  • Lebanon, NH
  • NPI 1548210198

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Foundation Medical Partners Inc.

  • Durable Medical Equipment & Medical Supplies
  • Amherst, NH
  • NPI 1679921472
  NPD
• Mary Hitchcock Memorial Hospital

  • Psychiatric Hospital
  • Hampstead, NH
  • NPI 1699584219
  NPD

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

• Southern NH Medical Center

  • General Acute Care Hospital
  • Nashua, NH
  • NPI 1245447994
  Care Compare affiliation Name & address match
• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1023092053
  Care Compare affiliation
• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1629788237
  Care Compare affiliation
• St Joseph Hospital of Nashua NH

  • General Acute Care Hospital
  • Nashua, NH
  • NPI 1093787384
  Care Compare affiliation
• St Joseph Hospital of Nashua NH

  • Urgent Care Clinic/Center
  • Milford, NH
  • NPI 1437758679

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1216166400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768176000000",
    "number": "1821252149",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2300 SOUTHWOOD DR",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030631818",
            "telephone_number": "603-577-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2300 SOUTHWOOD DR",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030631818",
            "telephone_number": "603-577-4000",
            "fax_number": "603-640-1228"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HART SILVEIRA",
        "first_name": "SHARON",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-07-16",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "L-237045",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "NH",
            "license": "15702",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32001669",
            "state": "NH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Gabrielle M Harris, MSW, LCSW
• Jillian Harris, LICSW
• Kassidy Jacklyn Harris, PT, DPT
• Amy L Harrison, MPT
• Nicole Harrison
• Jessica Hartley, SLP
• Harvard Pilgrim Health Care
• Harvard Pilgrim Health Care of New England
• Harvey Weener DDS PLLC
• Courtney Hassan

• Obstetrics & Gynecology Physician in Nashua, NH
• Providers in Nashua, NH by specialty
• Obstetrics & Gynecology Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 12, 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.