PROVIDER PROFILE · NPI 1881694131

Arash HorizonM.D.

PRACTICECENTER FOR RHEUMATOLOGY MEDICAL CORPORATIONSee all providers at this practice →

RheumatologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

14,146

Unique beneficiaries

—

Total services

485,778

Distinct HCPCS

104

Medicare payment

$5.3M

Peer benchmark

Total Medicare services vs. 530 Rheumatology providers in CA — top quintile (cohort median 1,833).

PRESCRIBING · PART D · 2024

Total Rx claims

3,862

Beneficiaries

—

Total drug cost

$3.3M

Distinct drugs

Brand share

31.1%

Top prescribed drugs

Leflunomide430 claims

Gabapentin336 claims

Methotrexate Sodium306 claims

Hydroxychloroquine Sulfate169 claims

Leucovorin Calcium156 claims

QUALITY · MIPS · 2024

Final MIPS score

99.1

Quality

94.0

Cost

35.6

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.01%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$38

Payment records

By payment type

Food and Beverage$38

REFERRAL NETWORK

Where Arash Horizon'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). 15 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
RHEUMATOLOGY DIAGNOSTICS LABORATORY INC	177	990
Unilab Corporation Clinical Laboratory · West Hills, CA	62	301
Man Shim Rheumatology · Costa Mesa, CA	36	269
Stephen Corday Cardiology · Los Angeles, CA	21	277
Amanuel Sima Internal Medicine · Beverly Hills, CA	21	109
Elton Tourje Diagnostic Radiology · Los Angeles, CA	18	91
Primex Clinical Laboratories Inc. Clinical Laboratory · Van Nuys, CA	16	80
Robert Wolfe Pulmonary Disease · Los Angeles, CA	15	110
Kenith Paresa Physical Medicine and Rehabilitation · Los Angeles, CA	14	66
PROVIDENCE SAINT JOHN'S HEALTH CENTER	14	47
Ivor Geft Specialist · Los Angeles, CA	13	156
Prometheus Laboratories Inc. Clinical Laboratory · San Diego, CA	12	44

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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