PROVIDER PROFILE · NPI 1669413878

Mark HorowitzDO

PRACTICEMARK HOROWITZ DO, INC.See all providers at this practice →

DermatologyTorrance, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

403

Unique beneficiaries

—

Total services

634

Distinct HCPCS

Medicare payment

$19K

Peer benchmark

Total Medicare services vs. 1,546 Dermatology providers in CA — below median (cohort median 2,504).

PRESCRIBING · PART D · 2024

Total Rx claims

152

Beneficiaries

—

Total drug cost

$3K

Distinct drugs

Brand share

9.9%

Top prescribed drugs

Triamcinolone Acetonide41 claims

Ketoconazole40 claims

Ciclopirox30 claims

Valacyclovir Hcl15 claims

Fluocinonide13 claims

QUALITY · MIPS · 2024

Final MIPS score

85.2

Quality

74.5

Cost

82.7

Improvement activities

40.0

Promoting interop.

92.0

Payment adjustment

0.43%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$71

Payment records

By payment type

Food and Beverage$71

REFERRAL NETWORK

Where Mark Horowitz'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). 20 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HARRIS HISTOLOGY SERVICES	303	468
TORRANCE MEMORIAL MEDICAL CENTER	241	484
Unilab Corporation Clinical Laboratory · West Hills, CA	98	194
Tanya Arvan Internal Medicine · Torrance, CA	24	73
Garth Green Radiation Oncology · Torrance, CA	23	94
WEST COAST CLINICAL LABORATORIES, INC.	22	29
PATHOLOGY, INC.	20	26
David Horowitz Dermatology · Torrance, CA	20	49
PIKEN, EDWARD	16	38
Endoscopy Center Of The South Bay Lp Ambulatory Surgical Center · Torrance, CA	15	16
Mark Lurie Internal Medicine · Torrance, CA	15	32
Sunny Melendez Endocrinology · Torrance, CA	14	62

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