Addie F Day, RN, ANP-C

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

RN2277693 Issued in MA

Practice address

625 Mount Auburn St Ste 101a
Cambridge, MA 02138-4518

Phone

(617) 492-4545

NPI assigned

Sep 4, 2013

Sex

Female

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Other names 1

• Addie F Schwarz Former name

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mount Auburn Professional Services IncGroup PAC ID 6103725031, 229 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mount Auburn Hospital Hospital, Cambridge, MA, CCN 220002
• Beth Israel Deaconess Hospital - Needham Hospital, Needham, MA, CCN 220083

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner, Registered Nurse

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aday254898@direct.bilh.masshiway.net
• FHIR API: https://api.platform.athenahealth.com/86/brand/1/csg/1/fhir/r4

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.

• Mount Auburn Professional Services Inc

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1992750996
  Medicare reassignment Care Compare group NPD
• Longfellow Primary Care, PC

  • Infectious Disease Physician
  • Cambridge, MA
  • NPI 1902001886
  Medicare reassignment NPD
• Mt Auburn Professional Services

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1013375203
  NPD
• Mount Auburn Professional Services Inc

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1255674636
  NPD (past)

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

• Mount Auburn Hospital

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1689670259
  Care Compare affiliation

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

{
    "created_epoch": "1378252800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741305600000",
    "number": "1104251602",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 MT AUBURN ST",
            "address_2": "PARSONS 2",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021385597",
            "telephone_number": "617-492-4545"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "625 MOUNT AUBURN ST STE 101A",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021384518",
            "telephone_number": "617-492-4545"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAY",
        "first_name": "ADDIE",
        "middle_name": "F",
        "name_prefix": "Ms.",
        "credential": "RN, ANP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-09-04",
        "last_updated": "2025-03-07",
        "certification_date": "2025-03-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MA",
            "license": "RN2277693",
            "primary": false
        },
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "MA",
            "license": "RN2277693",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MA",
            "license": "RN2277693",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NH",
            "license": "068485-21",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MA",
            "license": "RN2277693",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ADDIE",
            "last_name": "SCHWARZ",
            "middle_name": "F",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Overlande Joseph Davis, M.ED, LMHC
• Rachel Davis, PHARMD
• Rochelle L Davis, ED D
• Anna L. Davol, M.D.
• Eric Dawson, LCSW, LICSW
• Helen Day, NP
• Stephanie Carole Day, M.A.
• Daybreak Therapy Services LLC
• Paula A De Almeida, LMHC
• Cliff Andrew De Guzman

• Adult Health Nurse Practitioner in Cambridge, MA
• Providers in Cambridge, MA by specialty
• Adult Health Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 7, 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.