Marc Isaac Blatt, MD MBA

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

1021450 Issued in MA

Practice address

1 Deaconess Rd
Boston, MA 02215-5321

Phone

(617) 754-2400

NPI assigned

Apr 19, 2021

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

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

Vanderbilt University School of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncGroup PAC ID 4486567104, shared by 12 NPIs, 1,693 clinicians

Bid-Milton Physician Associates IncGroup PAC ID 7416375399, 54 clinicians

Associated Physicians of Harvard Medical Faculty Physicians at Beth IsGroup PAC ID 6305749987, 566 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Beth Israel Deaconess Hospital - Needham Hospital, Needham, MA, CCN 220083
• Beth Israel Deaconess Medical Center Hospital, Boston, MA, CCN 220086
• Mount Auburn Hospital Hospital, Cambridge, MA, CCN 220002
• Beth Israel Deaconess Hospital - Milton Hospital, Milton, MA, CCN 220108
• Umass Memorial Health - Harrington Hospital Hospital, Southbridge, MA, CCN 220019

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Business Administration, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mblatt80759@direct.southcoast.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.

• Associated Physicians of Harvard Medical Faculty Physicians at Beth Is

  • Emergency Medical Services (Emergency Medicine) Physician
  • Boston, MA
  • NPI 1952358533
  Medicare reassignment Care Compare group NPD
• Bid-Milton Physician Associates Inc

  • Urgent Care Clinic/Center
  • Quincy, MA
  • NPI 1164060778
  Medicare reassignment Care Compare group 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
• Associated Physicians of Harvard Medical Faculty Physicians at Beth Is

  • Multi-Specialty Clinic/Center
  • Boston, MA
  • NPI 1861216038
  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
• Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

  • Multi-Specialty Clinic/Center
  • Boston, MA
  • NPI 1679397913
  NPD

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

• Beth Israel Deaconess Hospital Milton Inc

  • General Acute Care Hospital
  • Milton, MA
  • NPI 1174618953
  Care Compare affiliation
• Beth Israel Deaconess Medical Center, Inc.

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

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1689670259
  Care Compare affiliation
• Umass Memorial Health-Harrington Hospital Inc

  • General Acute Care Hospital
  • Southbridge, MA
  • NPI 1790780047
  Care Compare affiliation

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

{
    "created_epoch": "1618790400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743465600000",
    "number": "1689255994",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "ONE DEACONESS ROAD",
            "address_2": "ROSENBERG 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02215",
            "telephone_number": "617-667-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 DEACONESS RD",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155321",
            "telephone_number": "617-754-2400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "148 Chestnut St",
            "address_purpose": "LOCATION",
            "city": "Needham",
            "state": "MA",
            "postal_code": "024922523",
            "country_code": "US",
            "telephone_number": "781-453-5400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BLATT",
        "first_name": "MARC",
        "middle_name": "ISAAC",
        "name_prefix": "Dr.",
        "credential": "MD MBA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-19",
        "last_updated": "2025-04-01",
        "certification_date": "2025-03-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "1021450",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Emma Blassel, MD
• Lawrence Scott Blaszkowsky, MD
• Robert Nathan Blatman, M.D.
• Joshua M. Blatt, D.P.T., A.T.C.
• Leah Blatt, PA-C
• Robert O Blaustein, M.D.
• Cheryl Blauth
• Dakota K Blauvelt, PA-C
• Philip Blazar, MD
• William V Blazek Jr., M.D.

• 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 Apr 1, 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.