Marti D. Soffer, MD, MPH

Primary specialty

Maternal & Fetal Medicine PhysicianTaxonomy code 207VM0101X

License

277923 Issued in MA

Practice address

1 Hospital PLZ
Stamford, CT 06902-3602

Phone

(203) 276-7060

NPI assigned

Apr 29, 2015

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

Medicare fee-for-service enrollment

Enrolled in MA, NH2 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

Obstetrics/Gynecology

Education

Icahn School of Medicine at Mount Sinai, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: soffer.marti.mgh@direct.partners.masshiway.net

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.

• Massachusetts General Physicians Organization Inc

  • Dermatology Physician
  • Boston, MA
  • NPI 1801874573

  NH

  Medicare reassignment Care Compare group
• Martha'S Vineyard Hospital, Inc.

  • Internal Medicine Physician
  • Oak Bluffs, MA
  • NPI 1194866210
  Medicare reassignment NPD
• Mass General Brigham Medical Group Western Massachusetts Inc

  • Family Medicine Physician
  • Northampton, MA
  • NPI 1295787919
  Medicare reassignment NPD
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Medicare reassignment
• General Hospital Corp

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1508390014
  NPD
• Martha'S Vineyard Hospital, Inc.

  • Critical Access Hospital
  • Oak Bluffs, MA
  • NPI 1134206386
  NPD

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

{
    "created_epoch": "1430265600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1659758563",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 HOSPITAL PLZ",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069023602",
            "telephone_number": "203-276-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 HOSPITAL PLZ",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069023602",
            "telephone_number": "203-276-7060"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SOFFER",
        "first_name": "MARTI",
        "middle_name": "D.",
        "name_prefix": "Dr.",
        "credential": "MD, MPH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-29",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "CT",
            "license": "83732",
            "primary": false
        },
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "MA",
            "license": "277923",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christine Smuniewski
• Halina M Snowball, M.D.
• Sokhak So, PHARMD
• Elsy Roxanna Soberal-Perez, LCSW
• Henry C Sobo, M.D.
• Bret Kenneth Sohn, M.D.
• Yubin Sohn, PHARM. D.
• Lisa Solazzo
• Alexandra Sollazzo
• Bruce David Soloff, D.D.S.

• Maternal & Fetal Medicine Physician in Stamford, CT
• Providers in Stamford, CT by specialty
• Maternal & Fetal Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 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.