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PROVIDER PROFILE · NPI 1952374290

Gregory DuffM.D.

PRACTICEFRANCISCAN HEALTH SYSTEMSee all providers at this practice →
Orthopedic SurgerySilverdale, WAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
214
Beneficiaries
—
Total drug cost
$1K
Distinct drugs
4
Brand share
57.0%
Top prescribed drugs
Oxycodone Hcl/Acetaminophen73 claims
Cephalexin57 claims
Ondansetron49 claims
Ibuprofen35 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
633
Unique beneficiaries
—
Total services
1,068
Distinct HCPCS
12
Medicare payment
$83K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 500 Orthopedic Surgery providers in WA — above median (cohort median 915).
REFERRAL NETWORK

Where Gregory Duff'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Jason Appleberry
Physician Assistant · Seattle, WA
36113
ROHLFING, JAMES1766
Christian Erichsen
Diagnostic Radiology · Silverdale, WA
1331
Lakhwant Singh
Diagnostic Radiology · Silverdale, WA
1227
Gary Gretch
Internal Medicine · Bremerton, WA
1257
Nancy Briller
Anesthesiology · Bremerton, WA
1228
Laboratory Corporation Of America
Clinical Laboratory · Seattle, WA
1227
NPI 12655791711130
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.