What is Gregory Duff's specialty?

Gregory Duff (NPI 1952374290) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Silverdale, WA.

Where does Gregory Duff practice?

Gregory Duff practices in Silverdale, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1952374290.

How much does Medicare pay Gregory Duff?

Gregory Duff (NPI 1952374290) received approximately $127K in total Medicare Part B payments, serving 239 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1952374290

Gregory DuffM.D.

PRACTICEFRANCISCAN HEALTH SYSTEMSee all providers at this practice →

Orthopedic SurgerySilverdale, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

633

Unique beneficiaries

—

Total services

1,068

Distinct HCPCS

Medicare payment

$83K

Peer benchmark

Total Medicare services vs. 500 Orthopedic Surgery providers in WA — above median (cohort median 915).

PRESCRIBING · PART D · 2024

Total Rx claims

214

Beneficiaries

—

Total drug cost

$1K

Distinct drugs

Brand share

57.0%

Top prescribed drugs

Oxycodone Hcl/Acetaminophen73 claims

Cephalexin57 claims

Ondansetron49 claims

Ibuprofen35 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

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

Physician	Patients	Visits
Jason Appleberry Physician Assistant · Seattle, WA	36	113
ROHLFING, JAMES	17	66
Christian Erichsen Diagnostic Radiology · Silverdale, WA	13	31
Lakhwant Singh Diagnostic Radiology · Silverdale, WA	12	27
Gary Gretch Internal Medicine · Bremerton, WA	12	57
Nancy Briller Anesthesiology · Bremerton, WA	12	28
Laboratory Corporation Of America Clinical Laboratory · Seattle, WA	12	27
NPI 1265579171	11	30

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events