Doctor profile · Federal record

Dr. Kanao Otsu, M.D.

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Pediatrics Physician · Pediatric Allergy/Immunology Physician · Denver, CO

  • NPI 1881748226
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 Jackson St
Denver, CO 802062761
(303) 388-4461
fax (303) 270-2206

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
February 23, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207K00000X — NUCC code
State licenses (2)
Colorado #51382 · Massachusetts #221184
Medicaid
CO #21927863

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881748226. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
122
Distinct HCPCS
4
Medicare allowed
$17,362
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 41 36 $145
99205 New patient office or other outpatient visit, 60-74 minutes 32 32 $181
99204 New patient office or other outpatient visit, 45-59 minutes 25 25 $131
99214 Established patient office or other outpatient visit, 30-39 minutes 24 24 $99

In context: peer comparison

Among 8 peers in Denver Allergy & Immunology Physician, average services per provider: 151. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$157
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 2 $157.12

By nature of payment

Food and Beverage
$157

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
355
Patients
53
Total drug cost
$204,337
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 46 18 $1,629
Symbicort (Budesonide/Formoterol Fumarate) Brand 40 12 $29,774
Advair Hfa (Fluticasone Propion/Salmeterol) Brand 37 0 $27,125
Montelukast Sodium Generic 34 11 $782
Flovent Hfa (Fluticasone Propionate) Brand 30 0 $12,701
Fluticasone Propionate Generic 28 0 $399
Dulera (Mometasone/Formoterol) Brand 26 0 $10,578
Dupixent Syringe (Dupilumab) Brand 25 0 $93,002
Ipratropium Bromide Generic 23 12 $3,203
Azelastine Hcl Generic 20 0 $1,310

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kanao Otsu's medical specialty?
Dr. Kanao Otsu practices Allergy & Immunology Physician in Denver, CO.
Where does Dr. Kanao Otsu practice?
Dr. Kanao Otsu practices at 1400 Jackson St, Denver, CO 802062761. Office phone: 3033884461.
What is Dr. Kanao Otsu's NPI?
Dr. Kanao Otsu's National Provider Identifier (NPI) is 1881748226, issued by NPPES.
Does Dr. Kanao Otsu accept Medicare assignment?
Yes. Dr. Kanao Otsu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kanao Otsu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.