Individual provider Active NPI

Benjamin S Grimmnitz, MD

  • Emergency Medicine Physician
  • Boston, MA
National Provider Identifier
1962745539
Registry record updated Jul 18, 2016
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
256208 Issued in MA
Practice address
1 Boston Medical Ctr PL
Dowling 1 South Room 1322
Boston, MA 02118-2908
Phone
(617) 414-4929
NPI assigned
Apr 2, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 18, 2016

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 256208 MA Primary

Addresses

Primary practice location

1 Boston Medical Ctr PL
Dowling 1 South Room 1322
Boston, MA 02118-2908

Mailing address

1 Boston Medical Ctr PL
Dowling 1 South Room 1322
Boston, MA 02118-2908
Phone (617) 414-4929

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, VT2 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

Enrollment IDStateProvider typePAC IDDetails
I20180119001425 MA Practitioner - Emergency Medicine 1759513682 Reassigns benefits to 1 organization
I20250819000177 VT Practitioner - Emergency Medicine 1759513682 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Icahn School of Medicine at Mount Sinai, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Merrimack Valley Emergency Associates, Inc.Group PAC ID 2062508377, 19 clinicians

Practice addresses (Care Compare)

295 Varnum Ave
Lowell, MA 01854-2134
Phone (617) 937-6000

Hospital & facility affiliations

  • Lowell General Hospital Hospital, Lowell, MA, CCN 220063

Merit-based Incentive Payment System (MIPS)

Final score
90.3 of 100Reported as group
Quality
80.55
Improvement activities
40
Cost
75.2

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Springfield Hospital Emergency Medicine Current Accepting new patients
Merrimack Valley Emergency Associates, Inc. Emergency Medicine CurrentSince Nov 27, 2017 Accepting new patients
Springfield Hospital .Inc CurrentSince Aug 14, 2025 Accepting new patients

Locations

295 Varnum Ave
Lowell, MA 01854
Phone (978) 788-7344

25 Ridgewood Rd
Springfield, VT 05156
Phone (780) 281-9593

Interoperability endpoints

  • Direct secure messaging: bgrimmnitz31846@tuftsmedicine.direct-ci.com

Organizations & group practices 3

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1364860800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1468800000000",
    "number": "1962745539",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 BOSTON MEDICAL CTR PL",
            "address_2": "DOWLING 1 SOUTH ROOM 1322",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182908",
            "telephone_number": "617-414-4929"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BOSTON MEDICAL CTR PL",
            "address_2": "DOWLING 1 SOUTH ROOM 1322",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182908",
            "telephone_number": "617-414-4929"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIMMNITZ",
        "first_name": "BENJAMIN",
        "middle_name": "S",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-04-02",
        "last_updated": "2016-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "256208",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.