Doctor profile · Federal record

Dr. Katherine Duncan, P.A.-C

Medical Physician Assistant (CMS: Physician Assistant) · Scottsdale, AZ

  • NPI 1083978753
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20201 N Scottsdale Healthcare Dr, Suite 260
Scottsdale, AZ 85255
(480) 398-1550
fax (480) 398-1551

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
June 5, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Arizona #6114

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083978753. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,465
Distinct HCPCS
10
Medicare allowed
$64,400
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 616 102 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 290 189 $74
17000 Destruction of precancer skin growth, 1 growth 203 139 $43
17110 Destruction of skin growth, 1-14 growths 110 82 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 53 43 $105
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm 33 27 $89
99203 New patient office or other outpatient visit, 30-44 minutes 32 32 $90
99212 Established patient office or other outpatient visit, 10-19 minutes 31 28 $47
11310 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.5 cm or less 24 21 $76
11300 Shaving of skin growth of body, arms, or legs, 0.5 cm or less 23 20 $67

In context: peer comparison

Among 17 peers in this city , average services per provider: 180. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,123
Transactions
43
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Dermavant Sciences, Inc. 12 $203.27
Janssen Biotech, Inc. 9 $179.23
REVANCE THERAPEUTICS, INC. 2 $170.66
Incyte Corporation 2 $110.95
Regeneron Healthcare Solutions, Inc. 3 $96.29
UCB, Inc. 4 $89.96
ABBVIE INC. 3 $71.41
GENZYME CORPORATION 2 $66.28
Kyowa Kirin, Inc. 2 $47.18
Arcutis Biotherapeutics, Inc. 2 $44.99
Organogenesis Inc. 1 $23.43
Lilly USA, LLC 1 $19.59

By nature of payment

Food and Beverage
$1,023
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
152
Patients
94
Total drug cost
$42,640
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 36 25 $270
Ketoconazole Generic 26 19 $574
Hydrocortisone Generic 22 16 $96
Mupirocin Generic 18 12 $135
Clobetasol Propionate Generic 13 11 $649
Fluorouracil Generic 13 11 $908
Valacyclovir (Valacyclovir Hcl) Brand 13 0 $208
Dupixent Syringe (Dupilumab) Brand 11 0 $39,799

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Duncan's medical specialty?
Dr. Katherine Duncan practices Medical Physician Assistant in Scottsdale, AZ.
Where does Dr. Katherine Duncan practice?
Dr. Katherine Duncan practices at 20201 N Scottsdale Healthcare Dr, Scottsdale, AZ 85255. Office phone: 4803981550.
What is Dr. Katherine Duncan's NPI?
Dr. Katherine Duncan's National Provider Identifier (NPI) is 1083978753, issued by NPPES.
Does Dr. Katherine Duncan accept Medicare assignment?
Yes. Dr. Katherine Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Duncan commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.