NPIMap

Individual provider Active NPI

Robert Morse Hayden, MD

  • Nephrology Physician
  • Portland, ME
National Provider Identifier
1912468778
Registry record updated Mar 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
MD27949 Issued in ME
Practice address
1600 Congress St Ste B
Portland, ME 04102-2148
Phone
(207) 774-5222
NPI assigned
Mar 26, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 24, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X MD27949 ME Primary
Internal Medicine Physician 207R00000X MD27949 ME

Addresses

Primary practice location

1600 Congress St Ste B
Portland, ME 04102-2148

Mailing address

1600 Congress St Ste B
Portland, ME 04102-2153
Phone (207) 774-5222

Other practice location 1

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME
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
I20240807000631 ME Practitioner - Nephrology 5698212751 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MainehealthGroup PAC ID 7517860588, 2,616 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Biddeford, ME 04005-9422
Phone (207) 282-4270

100 Brickhill Ave
South Portland, ME 04106-1999

22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD27949MEMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mainehealth CurrentSince Sep 16, 2024 Accepting new patients
Mainehealth Current Accepting new patients
The Spaulding Rehabilitation Hospital Corporation Current Accepting new patients
Mainehealth CurrentSince Sep 16, 2024 Accepting new patients
Mainehealth Internal Medicine Past Accepting new patients

Locations

22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179

1600 Congress St
Ste B
Portland, ME 04102
Phone (207) 774-5222

Interoperability endpoints

  • Direct secure messaging: rhayden880047@direct.mmc.mainehealth.org
  • Direct secure messaging: hayden.robert.srh@direct.partners.masshiway.net

Organizations & group practices 5

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 42

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

View all 42

NPI Registry JSON

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

{
    "created_epoch": "1553558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742774400000",
    "number": "1912468778",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 CONGRESS ST STE B",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041022153",
            "telephone_number": "207-774-5222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 CONGRESS ST STE B",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041022148",
            "telephone_number": "207-774-5222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAYDEN",
        "first_name": "ROBERT",
        "middle_name": "MORSE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-26",
        "last_updated": "2025-03-24",
        "certification_date": "2025-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "ME",
            "license": "MD27949",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "MD27949",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

Verify at the official NPI Registry.