NPIMap

Individual provider Active NPI

Joy Natalie Tsai, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Boston, MA
National Provider Identifier
1710134929
Registry record updated Mar 19, 2014
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
258303 Issued in MA
Practice address
55 Fruit St.
Endocrine Training Program
Boston, MA 02114
Phone
(617) 724-7777
Fax
(617) 726-7543
NPI assigned
Aug 19, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 19, 2014

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 125052821 IL
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 258303 MA Primary
Internal Medicine Physician 207R00000X 258303 MA

Addresses

Primary practice location

55 Fruit St.
Endocrine Training Program
Boston, MA 02114

Mailing address

55 Fruit St.
Endocrine Training Program
Boston, MA 02114
Phone (617) 724-7777

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
I20140620000032 MA Practitioner - EndocrinologyPractitioner - Internal Medicine 6406041599 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
EndocrinologyAlso: Internal Medicine
Education
Northwestern University Feinberg Medical School, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The General Hospital CorporationGroup PAC ID 6507803806, 1,275 clinicians

Practice addresses (Care Compare)

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-2000

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

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
125052821ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Jul 1, 2014 Accepting new patients
General Hospital Corp Current Accepting new patients
Nantucket Cottage Hospital CurrentSince Jan 9, 2018 Accepting new patients
Nantucket Cottage Hospital CurrentSince Jan 9, 2018 Accepting new patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince Jul 1, 2014 Accepting new patients
Nantucket Physicians Organization CurrentSince May 2, 2020 Accepting new patients

Locations

55 Fruit St
Boston, MA 02114

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

57 Prospect St
Nantucket, MA 02554
Phone (508) 228-1200

Interoperability endpoints

  • Direct secure messaging: tsai.joy.mgh@direct.partners.masshiway.net

Organizations & group practices 6

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 5

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": "1219104000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1395187200000",
    "number": "1710134929",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST.",
            "address_2": "ENDOCRINE TRAINING PROGRAM",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02114",
            "telephone_number": "617-724-7777",
            "fax_number": "617-726-7543"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST.",
            "address_2": "ENDOCRINE TRAINING PROGRAM",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02114",
            "telephone_number": "617-724-7777",
            "fax_number": "617-726-7543"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSAI",
        "first_name": "JOY",
        "middle_name": "NATALIE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-08-19",
        "last_updated": "2014-03-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125052821",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MA",
            "license": "258303",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "258303",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.