DAVID ISAAC LEROY DO
NPI 1922703479
Internal Medicine - Hematology & Oncology in Grand Blanc, MI

Q: What is David Leroy's NPI number?

The NPI number for David Leroy is 1922703479. It was assigned to this individual provider in the NPPES registry on April 4, 2023.

Q: What is David Leroy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for David Leroy was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 04, 2023PECOS Enrolled

1 GENESYS PKWY, GRAND BLANC, MI 48439(810) 606-5000 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Apr 23, 2026, Apr 4, 2023 (2 updates tracked since 2023).

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About David Isaac Leroy Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID ISAAC LEROY DO (NPI 1922703479) is an individual hematology & oncology provider in Grand Blanc, Michigan, licensed in Michigan (5101029371) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922703479

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDAVID ISAAC LEROYCredential: DO

Location Address1 GENESYS PKWYGrand Blanc, MI 48439-8065

Mailing Address1 Genesys PkwyGrand Blanc, MI 48439-8065 · (810) 606-5000

Phone(810) 606-5000

Sole ProprietorYes

Enumeration DateApril 4, 2023

Last NPPES UpdateApril 23, 20262 updates tracked since enumeration

NPPES CertifiedApril 23, 2026

✔ NPI 1922703479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in MI · 5101029371

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

1 GENESYS PKWY, Grand Blanc, MI 48439

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David Isaac Leroy Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48439 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$166.68 typical visit price

range $54.34 – $166.68

Typical copayment $41.67 (range $13.58 – $41.67)

Most-billed visit code 99205

Established Patient

$96.44 typical visit price

range $17.09 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ILONA CROWDER COTA/L

Occupational Therapy Assistant