Raymond Esparza, M.D.

NPI 1497717391ActiveIndividual· Internal Medicine· San Dimas, CA

Internal Medicine (M.D.) in San Dimas, California, trained at University of California, San Diego School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $807,469 for 9,388 claims, against $39,487 paid for services in 2024. Abbott Laboratories reported $78.53 in payments in 2024, mostly food and beverage.

Overview

NPI	1497717391
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Apr 5, 2006
Last updated in NPPES	Jan 3, 2013

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	G77594	CA

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 (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	131
Services billed	425 across 20 procedure codes
Paid by Medicare	$39,487

Part D prescriptions in 2024

Prescriptions (claims)	9,388 · 23,008 30-day fills
Patients	558
Total drug cost	$807,469
Generic share	90% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, San Diego School of Medicine
Graduation year	1992
Medicare specialty	Internal Medicine
Secondary specialties	Pediatric Medicine
Telehealth	Offers telehealth