PROVIDER PROFILE · NPI 1366762650

Katherine DuncanM.D.

Internal MedicinePhoenix, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 1,880 Internal Medicine providers in AZ — bottom quintile (cohort median 646).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$40K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Tirzepatide20 claims

Semaglutide12 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$92K

Payment records

158

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$80K

Travel and Lodging$10K

Food and Beverage$2K

REFERRAL NETWORK

Where Katherine Duncan's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 10 inbound referrers · 19 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTHWEST HOSPITAL LLC	113	318
R Christopher Dillon Diagnostic Radiology · Tucson, AZ	33	63
KARTCHNER, ZANE	29	51
ORO VALLEY HOSPITAL LLC	29	60
YOSHINO, MARK	28	67
Stephanie Reddick Diagnostic Radiology · Tucson, AZ	21	33
Kevin Kelly Diagnostic Radiology · Tucson, AZ	16	32
BANNER - UNIVERSITY MEDICAL CENTER TUCSON CAMPUS LLC	14	18
Tedd Goldfinger Cardiology · Tucson, AZ	14	57
Southwest Ambulance Of Tucson Inc Ambulance Service Provider · Tucson, AZ	11	39

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NORTHWEST HOSPITAL LLC	194	738
Sonora Quest Laboratories Llc Clinical Laboratory · Phoenix, AZ	150	337
WOOD, GARY	64	154
Laboratory Corporation Of America Clinical Laboratory · Phoenix, AZ	42	82
ORO VALLEY HOSPITAL LLC	33	60
Marcin Turecki Diagnostic Radiology · Tucson, AZ	22	40
R Christopher Dillon Diagnostic Radiology · Tucson, AZ	19	33
YOSHINO, MARK	17	23
KARTCHNER, ZANE	17	29
Gregory Labenz Diagnostic Radiology · Tucson, AZ	16	28
Tedd Goldfinger Cardiology · Tucson, AZ	16	52
Stephanie Reddick Diagnostic Radiology · Tucson, AZ	13	20

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history