NPIMap

Individual provider Active NPI

Muhammad Etiwy, MD

  • Cardiovascular Disease Physician
  • Boston, MA
National Provider Identifier
1194219477
Registry record updated Dec 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
1023607 Issued in MA
Practice address
55 Fruit St
Boston, MA 02114-2696
Phone
(866) 644-8910
NPI assigned
Jun 19, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 10, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 1023607 MA Primary
Hospitalist Physician 208M00000X 21311 NH
Internal Medicine Physician 207R00000X 276318 MA

Addresses

Primary practice location

55 Fruit St
Boston, MA 02114-2696

Mailing address

1 Medical Center Dr
Lebanon, NH 03756-0001
Phone (603) 650-8380

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NH, MA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210713003473 NH Practitioner - Hospitalist 6204238280 Reassigns benefits to 4 organizations
I20250611001303 MA Practitioner - Cardiovascular Disease (Cardiology) 6204238280 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, 1,445 clinicians
Alice Peck Day Memorial HospitalGroup PAC ID 6103737531, 132 clinicians
Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Lebanon, NH 03756-1000
Phone (603) 650-5000

10 Alice Peck Day Dr
Lebanon, NH 03766-2900
Phone (603) 448-3121

5 Alice Peck Day Dr
Lebanon, NH 03766-2901
Phone (603) 448-3122

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

  • Massachusetts General Hospital Hospital, Boston, MA, CCN 220071
  • Mary Hitchcock Memorial Hospital Hospital, Lebanon, NH, CCN 300003
  • North Shore Medical Center - Hospital, Salem, MA, CCN 220035
  • Alice Peck Day Memorial Hospital Hospital, Lebanon, NH, CCN 301305

Merit-based Incentive Payment System (MIPS)

Final score
79.66 of 100Reported as apm
Quality
53.51
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
79.66 of 100Reported as apm
Quality
53.51
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1023607MAMDClinical Social Worker
276318MAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mary Hitchcock Memorial Hospital Internal Medicine CurrentSince Jan 2, 2025 Accepting new patients
Dartmouth-Hitchcock Clinic Internal Medicine CurrentSince Jun 28, 2021 Accepting new patients
Alice Peck Day Memorial Hospital Internal Medicine Current Accepting new patients
General Hospital Corp Current Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Jan 2, 2025 Accepting new patients
Alice Peck Day Memorial Hospital Internal Medicine CurrentSince Jun 28, 2021 Accepting new patients
Mary Hitchcock Memorial Hospital Internal Medicine Current Accepting new patients
Alice Peck Day Memorial Hospital CurrentSince Jun 28, 2021 Accepting new patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince May 5, 2025 Accepting new patients
The General Hospital Corporation CurrentSince May 5, 2025 Accepting new patients

Locations

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

55 Fruit St
Boston, MA 02114

62 13th St
Charlestown, MA 02129
Phone (617) 724-4260

1 Medical Dr
Lebanon, NH 03756
Phone (603) 650-5922

5 Alice Peck Day Dr
Lebanon, NH 03766
Phone (603) 448-3996

Interoperability endpoints

  • FHIR API: https://edhwebportal.hitchcock.org/FHIRProxy/api/FHIR/R4/
  • Direct secure messaging: etiwy.muhammad.mgh@direct.partners.masshiway.net
  • Direct secure messaging: metiwy432862@direct.dartmouth-hitchcock.org

Organizations & group practices 10

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 10

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": "1529366400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765324800000",
    "number": "1194219477",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 MEDICAL CENTER DR",
            "city": "LEBANON",
            "state": "NH",
            "postal_code": "037560001",
            "telephone_number": "603-650-8380",
            "fax_number": "603-640-1228"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142696",
            "telephone_number": "866-644-8910"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ETIWY",
        "first_name": "MUHAMMAD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-06-19",
        "last_updated": "2025-12-10",
        "certification_date": "2025-12-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "1023607",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NH",
            "license": "21311",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "276318",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.