Individual provider Active NPI

Michael Diny

  • Endodontics
  • Boston, MA
National Provider Identifier
1255077582
Registry record updated Jul 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
EndodonticsTaxonomy code 1223E0200X
License
6001349-15 Issued in WI
Practice address
635 Albany St
Boston, MA 02118-3550
Phone
(920) 660-3469
NPI assigned
May 10, 2022
Last updated
Jul 21, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 21, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Endodontics 1223E0200X DN1859345 MA
Endodontics 1223E0200X 6001349-15 WI Primary
General Practice Dentistry 1223G0001X DN1859345 MA

Addresses

Primary practice location

635 Albany St
Boston, MA 02118-3550

Mailing address

21 Father Francis Gilday St Apt 408
Boston, MA 02118-5104
Phone (206) 603-4699

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
6001349-15WIMDEndodontist
DN1859345MAMDGeneral Practice Dentistry

NPI Registry JSON

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

{
    "created_epoch": "1652140800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753056000000",
    "number": "1255077582",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21 FATHER FRANCIS GILDAY ST APT 408",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021185104",
            "telephone_number": "206-603-4699"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "635 ALBANY ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021183550",
            "telephone_number": "920-660-3469"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DINY",
        "first_name": "MICHAEL",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-05-10",
        "last_updated": "2025-07-21",
        "certification_date": "2025-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223E0200X",
            "taxonomy_group": "",
            "desc": "Dentist, Endodontics",
            "state": "MA",
            "license": "DN1859345",
            "primary": false
        },
        {
            "code": "1223E0200X",
            "taxonomy_group": "",
            "desc": "Dentist, Endodontics",
            "state": "WI",
            "license": "6001349-15",
            "primary": true
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MA",
            "license": "DN1859345",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.