What is Stewart Shanfield's specialty?

Stewart Shanfield (NPI 1346286580) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Fullerton, CA.

Where does Stewart Shanfield practice?

Stewart Shanfield practices in Fullerton, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1346286580.

How much does Medicare pay Stewart Shanfield?

Stewart Shanfield (NPI 1346286580) received approximately $56K in total Medicare Part B payments, serving 217 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1346286580

Stewart ShanfieldM.D.

Orthopedic SurgeryFullerton, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

424

Unique beneficiaries

—

Total services

588

Distinct HCPCS

Medicare payment

$27K

Peer benchmark

Total Medicare services vs. 1,921 Orthopedic Surgery providers in CA — below median (cohort median 1,100).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$538

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Methylprednisolone60 claims

Meloxicam29 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Stewart Shanfield'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). 13 inbound referrers · 28 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST JUDE HOSPITAL INC	291	1,320
Victor Lee Pathology · Oceanside, CA	107	473
STAMBUK, EDGAR	51	132
Hao Ngo Diagnostic Radiology · Fullerton, CA	46	115
Danh Nguyen Diagnostic Radiology · Riverside, CA	42	93
Lutfi Sayyur Internal Medicine · Fullerton, CA	34	210
Unilab Corporation Clinical Laboratory · West Hills, CA	30	72
UNGER, PHILLIP	30	74
Arman Forouzannia Diagnostic Radiology · Lynnwood, WA	29	60
Bradley Jackson Diagnostic Radiology · Fullerton, CA	21	43
Samuel Maxwell Diagnostic Radiology · Fullerton, CA	16	36
Shirin Farahmand Pathology · Fullerton, CA	14	44

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ST JUDE HOSPITAL INC	172	605
DAW, GINA	130	569
Victor Lee Pathology · Oceanside, CA	86	312
Robert Morten Diagnostic Radiology · Fullerton, CA	81	187
ST JUDE HOSPITAL INC	81	197
DOI, LESLIE	55	158
Jayshree Sampat Diagnostic Radiology · Fullerton, CA	50	116
Samuel Maxwell Diagnostic Radiology · Fullerton, CA	39	79
Lutfi Sayyur Internal Medicine · Fullerton, CA	33	219
KUPPERSTEIN, PAUL	32	97
Unilab Corporation Clinical Laboratory · West Hills, CA	28	70
Quest Diagnostics Nichols Institute Clinical Laboratory · San Juan Capistrano, CA	26	53

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