Doctor profile · Federal record

Dr. Katrina Duncan, MSN, BSN

Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Acute Care Nurse Practitioner · Duarte, CA

  • NPI 1881010429
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673
fax (626) 408-3911
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
December 9, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State licenses (2)
California #95000170 · New York #F430712

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881010429. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24
Distinct HCPCS
1
Medicare allowed
$1,624
HCPCS Description Services Patients Avg allowed
38222 Biopsy and aspiration of bone marrow sample for diagnosis 24 24 $68

In context: peer comparison

Among 11 peers in Duarte Gerontology Nurse Practitioner, average services per provider: 44. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
91
Patients
13
Total drug cost
$414,115
Drug Type Claims Patients Total cost
Acyclovir Generic 25 13 $520
Jakafi (Ruxolitinib Phosphate) Brand 19 0 $342,054
Pantoprazole Sodium Generic 14 0 $62
Cresemba (Isavuconazonium Sulfate) Brand 11 0 $71,354
Gabapentin Generic 11 0 $100
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 11 0 $25

Frequently asked questions

Auto-generated from federal data
What is Dr. Katrina Duncan's medical specialty?
Dr. Katrina Duncan practices Gerontology Nurse Practitioner in Duarte, CA.
Where does Dr. Katrina Duncan practice?
Dr. Katrina Duncan practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 6262564673.
What is Dr. Katrina Duncan's NPI?
Dr. Katrina Duncan's National Provider Identifier (NPI) is 1881010429, issued by NPPES.
Does Dr. Katrina Duncan accept Medicare assignment?
Yes. Dr. Katrina Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katrina Duncan commonly perform?
Top Medicare-reported procedures in 2023: Biopsy and aspiration of bone marrow sample for diagnosis (HCPCS 38222). Source: CMS Medicare Physician & Other Practitioners file.