PROVIDER PROFILE · NPI 1548235617

Karynne DuncanM.D.

PRACTICEKARYNNE O. DUNCAN, M.D., INCSee all providers at this practice →

DermatologySaint Helena, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,972

Unique beneficiaries

—

Total services

4,243

Distinct HCPCS

Medicare payment

$213K

Peer benchmark

Total Medicare services vs. 1,546 Dermatology providers in CA — above median (cohort median 2,504).

PRESCRIBING · PART D · 2024

Total Rx claims

388

Beneficiaries

—

Total drug cost

$7K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Ketoconazole66 claims

Minoxidil63 claims

Mupirocin61 claims

Doxycycline Hyclate43 claims

Hydrocortisone28 claims

QUALITY · MIPS · 2024

Final MIPS score

99.2

Quality

17.5

Cost

73.5

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

1.02%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Karynne 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). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
John Geisse Micrographic Dermatologic Surgery · Vallejo, CA	160	274
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC	46	90
William Duge Diagnostic Radiology · Saint Helena, CA	34	42
Barry Brown Family Practice · Saint Helena, CA	29	62
Jonathan Wheeler Family Practice · Saint Helena, CA	26	73
John Bosetti Ophthalmology · Napa, CA	25	44
Julie Perry Ophthalmology · Saint Helena, CA	22	27
David Racker Diagnostic Radiology · Saint Helena, CA	21	32
Geoffrey Horn Diagnostic Radiology · Saint Helena, CA	19	24
Stuart Bursten Internal Medicine · Vista, CA	17	50
WOOLLEY, JAMES	15	26
STAGG, PATRICIA	14	34

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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