Gregory A. Zittel, M.D.

NPI 1003807082ActiveIndividual· Obstetrics & Gynecology· Lake Mary, FL

Obstetrics & Gynecology (M.D.) in Lake Mary, Florida, trained at State University of New York at Buffalo School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $26,933 for 467 claims, against $13,980 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. reported $57.16 in payments in 2025, mostly food and beverage.

Overview

NPI	1003807082
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Oct 31, 2005
Last updated in NPPES	Aug 5, 2020
Certified by provider	Aug 5, 2020

Specialties and licenses

Taxonomy	Code	License	State
Obstetrics & Gynecology Primary	207V00000X	ME67849	FL
Obstetrics & Gynecology, Gynecology	207VG0400X	ME67849	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 - Obstetrics/Gynecology (FL)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	135
Services billed	267 across 14 procedure codes
Paid by Medicare	$13,980

Part D prescriptions in 2024

Prescriptions (claims)	467 · 835 30-day fills
Patients	137
Total drug cost	$26,933
Generic share	88% of claims

Medicare sources and data years

Education and affiliations

Medical school	State University of New York at Buffalo School of Medicine
Graduation year	1991
Medicare specialty	Obstetrics/Gynecology
Telehealth	Offers telehealth