What is Arash Horizon's specialty?

Arash Horizon (NPI 1881694131) is a Medicare-billing provider whose primary specialty is Rheumatology in Los Angeles, CA.

Where does Arash Horizon practice?

Arash Horizon practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1881694131.

How much does Medicare pay Arash Horizon?

Arash Horizon (NPI 1881694131) received approximately $5.7M in total Medicare Part B payments, serving 603 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events