Individual provider Active NPI

Justin Welsh, DO

  • Internal Medicine Physician
  • Mesa, AZ
National Provider Identifier
1861933871
Registry record updated May 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
008375 Issued in AZ
Practice address
5110 E Southern Ave
Mesa, AZ 85206-2791
Phone
(607) 737-4499
Fax
(415) 252-7176
NPI assigned
Mar 10, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 27, 2025

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

Specialties & licenses 8

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X OP61607809 WA
Internal Medicine Physician 207R00000X 1021233 MA
Internal Medicine Physician 207R00000X 2024-03131 NC
Internal Medicine Physician 207R00000X V4523 TX
Internal Medicine Physician 207R00000X DR.0074143 CO
Internal Medicine Physician 207R00000X 103296 GA
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 008375 AZ Primary

Addresses

Primary practice location

5110 E Southern Ave
Mesa, AZ 85206-2791

Mailing address

5110 E Southern Ave
Mesa, AZ 85206-2791

Other practice location 1

2038 Carlton Arms Cir
Bradenton, FL 34208-5067
Phone (308) 520-0641

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200807002845 AZ Practitioner - Internal Medicine 1557786563 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Iora Senior Health LLCGroup PAC ID 0143520189, 117 clinicians

Practice addresses (Care Compare)

5110 E Southern Ave
Suite 107
Mesa, AZ 85206-2790
Phone (888) 405-6396

Hospital & facility affiliations

  • Dignity Health at Home Home health agency, Chandler, AZ, CCN 037281
  • Banner Desert Medical Center Hospital, Mesa, AZ, CCN 030065

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
DR.0074143COMDInternal Medicine Physician
103296GAMDInternal Medicine Physician
1021233MAMDInternal Medicine Physician
2024-03131NCMDInternal Medicine Physician
V4523TXMDInternal Medicine Physician
OP61607809WAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Iora Senior Health, LLC Internal Medicine CurrentSince Aug 10, 2020 Accepting new patients
Iora Senior Health, LLC Internal Medicine CurrentSince Aug 10, 2020 Accepting new patients
Iora Senior Health, LLC Internal Medicine Current Accepting new patients
Iora Health, LLC Internal Medicine Past Accepting new patients
Iora Senior Health, LLC Internal Medicine PastSince Oct 1, 2020 Accepting new patients
Iora Health Massachusetts, P.C. Internal Medicine Past Accepting new patients

Locations

5110 E Southern Ave
Ste 107
Mesa, AZ 85206
Phone (480) 295-8072

3137 W Indian School Rd
Phoenix, AZ 85017
Phone (602) 325-5570

101 Tremont St
Fl 6
Boston, MA 02108

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 2

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": "1489104000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748304000000",
    "number": "1861933871",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5110 E SOUTHERN AVE",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852062791",
            "fax_number": "415-252-7176"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5110 E SOUTHERN AVE",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852062791",
            "telephone_number": "607-737-4499",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2038 Carlton Arms Cir",
            "address_purpose": "LOCATION",
            "city": "Bradenton",
            "state": "FL",
            "postal_code": "342085067",
            "country_code": "US",
            "telephone_number": "308-520-0641",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WELSH",
        "first_name": "JUSTIN",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-10",
        "last_updated": "2025-05-27",
        "certification_date": "2025-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "OP61607809",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1021233",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NC",
            "license": "2024-03131",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "V4523",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "DR.0074143",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "103296",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "008375",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mesa, AZ

Sources for this page

Verify at the official NPI Registry.