Stacey Pun, MD

NPI 1851763783ActiveIndividual· Pathology, Dermatopathology· Los Angeles, CA

Pathology, Dermatopathology (MD) in Los Angeles, California, trained at University of Southern California Keck School of Medicine (class of 2017). 674 Medicare patients in 2024, $117,327 paid; nearly all of their 310 Part D prescriptions were generic (98%). Janssen Biotech, Inc. was the largest of 16 companies reporting payments in 2025, $1,329 in all, mostly food and beverage.

Overview

NPI	1851763783
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Oct 30, 2015
Last updated in NPPES	Oct 9, 2023
Certified by provider	Oct 9, 2023

Specialties and licenses

Taxonomy	Code	License	State
Pathology, Dermatopathology Primary	207ZD0900X	A160550	CA
Dermatology	207N00000X	A160550	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 - Dermatology (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	674
Services billed	2,165 across 53 procedure codes
Paid by Medicare	$117,327

Part D prescriptions in 2024

Prescriptions (claims)	310 · 328 30-day fills
Patients	139
Total drug cost	$23,117
Generic share	98% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Southern California Keck School of Medicine
Graduation year	2017
Medicare specialty	Dermatology
Secondary specialties	Pathology
Telehealth	Offers telehealth