Oscar Alexander Estrada Paz, M.D.

NPI 1093971459ActiveIndividual· Internal Medicine, Pulmonary Disease· Santa Monica, CA

Internal Medicine, Pulmonary Disease (M.D.) in Santa Monica, California, trained at University of Chicago, Pritzker School of Medicine (class of 2007). In 2024 Medicare paid $122,878 for 575 patients, and Part D covered 632 of their prescriptions, 32% of them generic. Abiomed reported $38.69 in payments in 2025, mostly food and beverage.

Overview

NPI	1093971459
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Aug 4, 2008
Last updated in NPPES	Dec 18, 2024
Certified by provider	Dec 18, 2024

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	A116880	CA
Internal Medicine	207R00000X	A116880	CA
Internal Medicine, Critical Care Medicine	207RC0200X	A116880	CA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Critical Care (Intensivists) (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	575
Services billed	1,668 across 48 procedure codes
Paid by Medicare	$122,878

Part D prescriptions in 2024

Prescriptions (claims)	632 · 905 30-day fills
Patients	125
Total drug cost	$168,630
Generic share	32% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Chicago, Pritzker School of Medicine
Graduation year	2007
Medicare specialty	Critical Care (Intensivists)
Secondary specialties	Internal Medicine, Pulmonary Disease
Telehealth	Offers telehealth