PROVIDER PROFILE · NPI 1083695167

Benjamin MerrifieldMD

GastroenterologyOlympia, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

119

Unique beneficiaries

—

Total services

121

Distinct HCPCS

Medicare payment

$13K

Peer benchmark

Total Medicare services vs. 359 Gastroenterology providers in WA — bottom quintile (cohort median 511).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$224

Payment records

By payment type

Food and Beverage$224

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 500024

Hospital

REFERRAL NETWORK

Where Benjamin Merrifield'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). 5 inbound referrers · 13 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES WASHINGTON	64	135
PROVIDENCE HEALTH & SERVICES WASHINGTON	18	40
Laboratory Corporation Of America Clinical Laboratory · Seattle, WA	17	37
Mihai Iancu Diagnostic Radiology · Las Vegas, NV	16	27
CONTRERAS, MARICELA	11	24

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Gastroenterology Associates, Llc Ambulatory Surgical Center · Olympia, WA	128	241
PROVIDENCE HEALTH & SERVICES WASHINGTON	104	213
Nisreen Fidda Pathology · Olympia, WA	34	67
PATHOLOGY ASSOCIATES MEDICAL LABORATORIES LLC	33	76
Dominique Coco Pathology · Boston, MA	32	61
Kevin Long Pathology · Seattle, WA	30	69
WHITTEN, RICHARD	24	45
PROVIDENCE HEALTH & SERVICES WASHINGTON	19	52
Francois Cady Pathology · Rochester, MN	19	38
Mihai Iancu Diagnostic Radiology · Las Vegas, NV	17	59
Cellnetix Labs, Llc Clinical Laboratory · Tukwila, WA	14	33
Laboratory Corporation Of America Clinical Laboratory · Seattle, WA	12	22

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