Shamai A. Grossman, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

79995 Issued in MA

Practice address

1 Deaconess Rd
WCC2
Boston, MA 02215-5321

Phone

(617) 754-2331

NPI assigned

Jun 8, 2006

Sex

Male

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 MA

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

Emergency Medicine

Education

University of Tennessee, HSC, College of Medicine, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Beth Israel Deaconess Medical Center IncGroup PAC ID 8123936119, 136 clinicians

Coastal Medical AssociatesGroup PAC ID 7113029257, 443 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Beth Israel Deaconess Medical Center Hospital, Boston, MA, CCN 220086
• Northeast Hospital Corporation Hospital, Beverly, MA, CCN 220033
• Beth Israel Deaconess Hospital - Needham Hospital, Needham, MA, CCN 220083
• South Shore Hospital Hospital, South Weymouth, MA, CCN 220100

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sgrossman15709@direct.southcoast.org
• Direct secure messaging: sgrossman44796@direct.bilh.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.

• Beth Israel Deaconess Medical Center, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1548202641
  Medicare reassignment Care Compare group NPD
• Coastal Medical Associates

  • Anesthesiology Physician
  • Weymouth, MA
  • NPI 1932175684
  Medicare reassignment Care Compare group NPD
• Associated Physicians of Harvard Medical Faculty Physicians at Beth Is

  • Emergency Medical Services (Emergency Medicine) Physician
  • Boston, MA
  • NPI 1952358533
  Medicare reassignment NPD
• Beth Israel Lahey Health Specialty Care, Inc.

  • Internal Medicine Physician
  • Gloucester, MA
  • NPI 1235147760
  Medicare reassignment NPD
• Bid-Milton Physician Associates Inc

  • Urgent Care Clinic/Center
  • Quincy, MA
  • NPI 1164060778
  Medicare reassignment NPD
• Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1194765438
  Medicare reassignment NPD
• Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

  • Emergency Medicine Physician
  • Boston, MA
  • NPI 1316987993
  Medicare reassignment NPD
• South Shore Health Express, Inc

  • Urgent Care Clinic/Center
  • Weymouth, MA
  • NPI 1477044212
  Medicare reassignment NPD
• Associated Physicians of Harvard Medical Faculty Physicians at Beth Is

  • Multi-Specialty Clinic/Center
  • Boston, MA
  • NPI 1861216038
  NPD
• Beth Israel Deaconess Medical Center, Inc.

  • Ambulance
  • Boston, MA
  • NPI 1518600501
  NPD
• Bid-Milton Physician Associates Inc

  • Multi-Specialty Clinic/Center
  • Quincy, MA
  • NPI 1710862420
  NPD
• Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

  • Urgent Care Clinic/Center
  • Dedham, MA
  • NPI 1538774443
  NPD

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

• Beth Israel Deaconess Medical Center, Inc.

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

  • General Acute Care Hospital
  • Beverly, MA
  • NPI 1316917941
  Care Compare affiliation
• Northeast Hospital Corporation

  • Psychiatric Hospital Unit
  • Beverly, MA
  • NPI 1407827710
  Care Compare affiliation
• South Shore Hospital Inc.

  • General Acute Care Hospital
  • South Weymouth, MA
  • NPI 1134227606
  Care Compare affiliation

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

{
    "created_epoch": "1149724800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1205877834",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 DEACONESS RD",
            "address_2": "WCC2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155321",
            "telephone_number": "617-754-2331"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 DEACONESS RD",
            "address_2": "WCC2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155321",
            "telephone_number": "617-754-2331"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "330 Brookline Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "022155400",
            "country_code": "US",
            "telephone_number": "617-667-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GROSSMAN",
        "first_name": "SHAMAI",
        "middle_name": "A.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-08",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "79995",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110057922A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kenneth P Grossman, MD
• Mia Grossman, M.S., CCC-SLP
• Mila Nehls Grossman
• Neil J Grossman, MD
• Nicole Landzberg Grossman, MD
• Stephanie L. Grossman, PH.D.
• Lily Grossmann, M.D.
• Andrew D Grotzinger, BA
• Ground & Growth PLLC
• Groundinghearts Wellness & Counseling, LLC

• Emergency Medicine Physician in Boston, MA
• Providers in Boston, MA by specialty
• Emergency Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 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.