What is Ruben Casabar's specialty?

Ruben Casabar (NPI 1104910629) is a Medicare-billing provider whose primary specialty is General Practice in Maywood, CA.

Where does Ruben Casabar practice?

Ruben Casabar practices in Maywood, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1104910629.

How much does Medicare pay Ruben Casabar?

Ruben Casabar (NPI 1104910629) received approximately $165K in total Medicare Part B payments, serving 169 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1104910629

Ruben CasabarM.D.

PRACTICERUBEN S. CASABAR, M.D, INC.See all providers at this practice →

General PracticeMaywood, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

730

Unique beneficiaries

—

Total services

1,900

Distinct HCPCS

Medicare payment

$161K

Peer benchmark

Total Medicare services vs. 551 General Practice providers in CA — above median (cohort median 588).

PRESCRIBING · PART D · 2024

Total Rx claims

12,457

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

171

Brand share

18.8%

Top prescribed drugs

Atorvastatin Calcium728 claims

Amlodipine Besylate543 claims

Metformin Hcl492 claims

Levothyroxine Sodium477 claims

Losartan Potassium388 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$908

Payment records

By payment type

Food and Beverage$908

Top paying entities

Food and Beverage$908

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (6)

Home health agency

Home health agency

Home health agency

Home health agency

Home health agency

Hospital

REFERRAL NETWORK

Where Ruben Casabar'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). 1 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	64	151

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	75	195
SPECTRA CLINICAL LABORATORIES, INC	14	22
Biological Laboratory, Inc. Clinical Laboratory · San Dimas, CA	11	23

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