Individual provider Active NPI

David Isaac Leroy, DO

  • Hematology & Oncology Physician
  • Grand Blanc, MI
National Provider Identifier
1922703479
Registry record updated Apr 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
5101029371 Issued in MI
Practice address
1 Genesys Pkwy
Grand Blanc, MI 48439-8065
Phone
(810) 606-5000
NPI assigned
Apr 4, 2023
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 5101029371 MI Primary

Addresses

Primary practice location

1 Genesys Pkwy
Grand Blanc, MI 48439-8065

Mailing address

1 Genesys Pkwy
Grand Blanc, MI 48439-8065
Phone (810) 606-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI
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
I20230607000344 MI Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 3971960964

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
5101029371MIMDHematology & Oncology Physician

NPI Registry JSON

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

{
    "created_epoch": "1680566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1922703479",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 GENESYS PKWY",
            "city": "GRAND BLANC",
            "state": "MI",
            "postal_code": "484398065",
            "telephone_number": "810-606-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 GENESYS PKWY",
            "city": "GRAND BLANC",
            "state": "MI",
            "postal_code": "484398065",
            "telephone_number": "810-606-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEROY",
        "first_name": "DAVID",
        "middle_name": "ISAAC",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-04-04",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MI",
            "license": "5101029371",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Blanc, MI

Sources for this page

Verify at the official NPI Registry.