What is Peter Brett's specialty?

Peter Brett (NPI 1487743472) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Santa Rosa, CA.

Where does Peter Brett practice?

Peter Brett practices in Santa Rosa, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1487743472.

How much does Medicare pay Peter Brett?

Peter Brett (NPI 1487743472) received approximately $14K in total Medicare Part B payments, serving 82 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1487743472

Peter BrettM.D.

Hematology-OncologySanta Rosa, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

119

Unique beneficiaries

—

Total services

146

Distinct HCPCS

Medicare payment

$13K

Peer benchmark

Total Medicare services vs. 957 Hematology-Oncology providers in CA — bottom quintile (cohort median 4,173).

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 · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Peter Brett'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). 26 inbound referrers · 58 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SUTTER WEST BAY MEDICAL FOUNDATION	368	6,324
Eric Dean Medical Oncology · Kirkland, WA	186	3,123
POPOVICH, MARK	114	332
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC	103	417
CALETTI, CHERYL	95	506
Bradley Restel Diagnostic Radiology · Santa Rosa, CA	60	166
Linda Casey Diagnostic Radiology · Santa Rosa, CA	59	142
Jesse Rael Diagnostic Radiology · Santa Rosa, CA	58	139
NORTH SONOMA COUNTY HEALTH CARE DISTRICT	45	298
SUTTER VISITING NURSE ASSOCIATION AND HOSPICE	24	78
John Moretto Pathology · San Francisco, CA	19	36
David Schmidt Diagnostic Radiology · Santa Rosa, CA	18	38

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SUTTER WEST BAY MEDICAL FOUNDATION	197	4,527
Eric Dean Medical Oncology · Kirkland, WA	166	2,868
SUTTER BAY HOSPITALS	132	1,282
Patricia Grinnell Nurse Practitioner · Petaluma, CA	105	651
POPOVICH, MARK	103	245
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC	82	295
CALETTI, CHERYL	81	329
Bradley Restel Diagnostic Radiology · Santa Rosa, CA	62	176
BOOTH, SCOTT	61	144
Anthony Sajewicz Diagnostic Radiology · Santa Rosa, CA	57	156
Jesse Rael Diagnostic Radiology · Santa Rosa, CA	55	145
Linda Casey Diagnostic Radiology · Santa Rosa, CA	52	117

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