Nicholas S. Stollenwerk, MD

NPI 1376523472ActiveIndividual· Internal Medicine, Pulmonary Disease· Sacramento, CA

Internal Medicine, Pulmonary Disease (MD) in Sacramento, California, trained at University of California, Geffen School of Medicine (class of 2001). In 2024 Medicare paid $56,982 for 339 patients, and Part D covered 109 of their prescriptions, 53% of them generic. Astrazeneca Pharmaceuticals LP reported $135.00 in payments in 2024, mostly food and beverage.

Overview

NPI	1376523472
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jan 17, 2006
Last updated in NPPES	Dec 16, 2011

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	OOA818000	CA
Internal Medicine	207R00000X	OOA818000	CA
Internal Medicine, Critical Care Medicine	207RC0200X	A818000	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 - Internal Medicine (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	339
Services billed	807 across 60 procedure codes
Paid by Medicare	$56,982

Part D prescriptions in 2024

Prescriptions (claims)	109 · 181 30-day fills
Patients	29
Total drug cost	$34,619
Generic share	53% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, Geffen School of Medicine
Graduation year	2001
Medicare specialty	Internal Medicine
Secondary specialties	Critical Care (Intensivists), Pulmonary Disease
Telehealth	Offers telehealth