Mark A. Spears, M.D.

NPI 1023057999ActiveIndividual· Internal Medicine· Oviedo, FL

Internal Medicine (M.D.) in Oviedo, Florida, trained at University of North Carolina at Chapel Hill School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $195,508 for 3,504 claims, against $107,071 paid for services in 2024. Exact Sciences Corporation reported $21.80 in payments in 2024, mostly food and beverage.

Overview

NPI	1023057999
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jun 6, 2006
Last updated in NPPES	Aug 13, 2024
Certified by provider	Aug 13, 2024

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	ME 66124	FL

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Internal Medicine (FL)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	293
Services billed	2,020 across 16 procedure codes
Paid by Medicare	$107,071

Part D prescriptions in 2024

Prescriptions (claims)	3,504 · 9,437 30-day fills
Patients	418
Total drug cost	$195,508
Generic share	91% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of North Carolina at Chapel Hill School of Medicine
Graduation year	1991
Medicare specialty	Internal Medicine
Telehealth	Offers telehealth