PROVIDER PROFILE · NPI 1417005422

Peter MattarMD

PRACTICEKAISER FONTANASee all providers at this practice →

Family PracticeFontana, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

127

Unique beneficiaries

—

Total services

155

Distinct HCPCS

Medicare payment

$11K

Peer benchmark

Total Medicare services vs. 8,228 Family Practice providers in CA — below median (cohort median 411).

PRESCRIBING · PART D · 2024

Total Rx claims

5,724

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

110

Brand share

16.4%

Top prescribed drugs

Atorvastatin Calcium462 claims

Levothyroxine Sodium266 claims

Metformin Hcl251 claims

Amlodipine Besylate206 claims

Lisinopril204 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$349

Payment records

By payment type

Food and Beverage$349

REFERRAL NETWORK

Where Peter Mattar'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). 3 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	21	57
MED STAR HOSPICE CARE INC	11	33
UHS-CORONA INC	11	27

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
HOME AND COMMUNITY HOSPICE, INC.	177	867
MED CARE PLUS INC	45	256
Stephen Boykins Podiatry · Downey, CA	17	26
NGHIEM, SARAH	17	37
Unilab Corporation Clinical Laboratory · West Hills, CA	16	56
John Thropay Radiation Oncology · Montebello, CA	13	22
Izuchukwu Okpara General Surgery · Valencia, CA	11	61

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