What is Bruce Greenfield's specialty?

Bruce Greenfield (NPI 1043224686) is a Medicare-billing provider whose primary specialty is Nephrology in Los Angeles, CA.

Where does Bruce Greenfield practice?

Bruce Greenfield practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1043224686.

How much does Medicare pay Bruce Greenfield?

Bruce Greenfield (NPI 1043224686) received approximately $367K in total Medicare Part B payments, serving 525 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1043224686

Bruce GreenfieldM.D.

NephrologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,088

Unique beneficiaries

—

Total services

2,687

Distinct HCPCS

Medicare payment

$364K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — top quintile (cohort median 1,482).

PRESCRIBING · PART D · 2024

Total Rx claims

2,188

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

Brand share

35.9%

Top prescribed drugs

Dapagliflozin Propanediol151 claims

Furosemide143 claims

Sevelamer Carbonate127 claims

Amlodipine Besylate104 claims

Losartan Potassium93 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Education$25

Top paying entities

Food and Beverage$1K

Education$25

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (11)

Dialysis facility

Dialysis facility

Dialysis facility

Dialysis facility

Dialysis facility

Home health agency

Home health agency

Home health agency

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Bruce Greenfield'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). 40 inbound referrers · 90 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	193	667
Edward Neymark Interventional Radiology · Newport Beach, CA	126	628
DIGNITY COMMUNITY CARE	125	405
SPECTRA LABORATORIES INC	97	437
NPI 1194773143	83	501
ST VINCENT MEDICAL CENTER	82	269
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	75	246
NPI 1255335535	73	416
GALA DIALYSIS, LLC	69	669
Juan Carlos Echeverria Diagnostic Radiology · Arcadia, CA	39	156
Eugene Choi Diagnostic Radiology · Los Angeles, CA	34	239
Juma Bharadia Cardiology · Torrance, CA	33	186

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	128	486
Edward Neymark Interventional Radiology · Newport Beach, CA	124	612
Leon Rovner Nephrology · Los Angeles, CA	109	619
DIGNITY COMMUNITY CARE	101	339
SPECTRA LABORATORIES INC	96	465
BARNNY JEPP, LLC	89	1,795
NPI 1194773143	74	486
GALA DIALYSIS, LLC	72	1,137
NPI 1255335535	69	392
ST VINCENT MEDICAL CENTER	68	194
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	61	183
PIH HEALTH GOOD SAMARITAN HOSPITAL	58	237

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