Kanao Otsu, M.D.

NPI 1881748226ActiveIndividual· Allergy & Immunology· Denver, CO

Allergy & Immunology (M.D.) in Denver, Colorado, trained at Columbia University College of Physicians and Surgeons (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $560,199 for 441 claims, against $29,318 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $157.12 in payments in 2024, mostly food and beverage.

Overview

NPI	1881748226
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jan 23, 2007
Last updated in NPPES	Feb 23, 2021
Certified by provider	Feb 23, 2021

Specialties and licenses

Taxonomy	Code	License	State
Allergy & Immunology Primary	207K00000X	51382	CO
Pediatrics	208000000X	221184	MA
Pediatrics, Pediatric Allergy/Immunology	2080P0201X	51382	CO

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 - Allergy/Immunology (CO)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	170
Services billed	263 across 10 procedure codes
Paid by Medicare	$29,318

Part D prescriptions in 2024

Prescriptions (claims)	441 · 652 30-day fills
Patients	70
Total drug cost	$560,199
Generic share	39% of claims

Medicare sources and data years

Education and affiliations

Medical school	Columbia University College of Physicians and Surgeons
Graduation year	2003
Medicare specialty	Allergy/Immunology
Secondary specialties	Pediatric Medicine
Telehealth	Offers telehealth