NPIMap

Individual provider Active NPI

Marsha Nalini Mather, MD

  • Internal Medicine Physician
  • Hyannis, MA
National Provider Identifier
1831772623
Registry record updated Jan 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
1018443 Issued in MA
Practice address
1030 Falmouth Rd Ste 101
Hyannis, MA 02601-2324
Phone
(774) 552-3209
NPI assigned
Apr 30, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 8, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 1018443 MA Primary

Addresses

Primary practice location

1030 Falmouth Rd Ste 101
Hyannis, MA 02601-2324

Mailing address

1030 Falmouth Rd Ste 101
Hyannis, MA 02601-2324
Phone (774) 552-3209

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240917003830 MA Practitioner - Internal Medicine 5991102485 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Physicians of Cape Cod HospitalGroup PAC ID 9638326671, 330 clinicians

Practice addresses (Care Compare)

1030 Falmouth Rd
Hyannis, MA 02601-2324
Phone (774) 552-3209

27 Park St
Hyannis, MA 02601-5230
Phone (774) 552-6000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
76.23 of 100Reported as group
Quality
56.78
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1018443MAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Medical Affiliates of Cape Cod, Inc. CurrentSince Oct 1, 2024 Accepting new patients
Medical Affiliates of Cape Cod, Inc. Internal Medicine CurrentSince Oct 1, 2024 Accepting new patients
Physicians of Cape Cod Hospital Internal Medicine CurrentSince Dec 16, 2025 Accepting new patients
Cape Cod Hospital Inc Past Accepting new patients

Locations

27 Park St
Hyannis, MA 02601
Phone (508) 775-5011

297 North St
Ste 221
Hyannis, MA 02601
Phone (508) 862-5032

1030 Falmouth Rd
Ste 101
Hyannis, MA 02601
Phone (508) 775-8484

1030 Falmouth Rd
Hyannis, MA 02601
Phone (774) 470-5080

Organizations & group practices 4

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 9

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": "1619740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1736294400000",
    "number": "1831772623",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1030 FALMOUTH RD STE 101",
            "city": "HYANNIS",
            "state": "MA",
            "postal_code": "026012324",
            "telephone_number": "774-552-3209"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1030 FALMOUTH RD STE 101",
            "city": "HYANNIS",
            "state": "MA",
            "postal_code": "026012324",
            "telephone_number": "774-552-3209"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATHER",
        "first_name": "MARSHA",
        "middle_name": "NALINI",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-04-30",
        "last_updated": "2025-01-08",
        "certification_date": "2025-01-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1018443",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hyannis, MA

Sources for this page

Verify at the official NPI Registry.