What is Mark Horowitz's specialty?

Mark Horowitz (NPI 1669413878) is a Medicare-billing provider whose primary specialty is Dermatology in Torrance, CA.

Where does Mark Horowitz practice?

Mark Horowitz practices in Torrance, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1669413878.

How much does Medicare pay Mark Horowitz?

Mark Horowitz (NPI 1669413878) received approximately $82K in total Medicare Part B payments, serving 220 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events