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PROVIDER PROFILE · NPI 1154490530

Mark HorowitzMD

Internal MedicineNew York, NYI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 337008
Home health agency
CCN 330024
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
2,479
Beneficiaries
—
Total drug cost
$408K
Distinct drugs
69
Brand share
13.7%
Top prescribed drugs
Levothyroxine Sodium226 claims
Atorvastatin Calcium202 claims
Rosuvastatin Calcium108 claims
Azithromycin94 claims
Prednisone92 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,742
Unique beneficiaries
—
Total services
4,528
Distinct HCPCS
13
Medicare payment
$376K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 7,864 Internal Medicine providers in NY — top quintile (cohort median 552).
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). 10 inbound referrers · 19 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MOUNT SINAI HOSPITAL2758
HECHT, ALAN2460
ENZO CLINICAL LABS, INC.2077
Jerald Zimmer
Diagnostic Radiology · New York, NY
1535
Alain Hyman
Diagnostic Radiology · New York, NY
1531
Joseph Maklansky
Diagnostic Radiology · New York, NY
1333
Michael Gribetz
Urology · New York, NY
1259
Bioreference Health, Llc
Clinical Laboratory · Elmwood Park, NJ
1235
Charles Stacy
Neurology · New York, NY
1225
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
1117
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MANHATTAN PHYSICIANS LABORATORIES LLC218770
Quest Diagnostics Incorporated
Clinical Laboratory · Clifton, NJ
48156
MOUNT SINAI HOSPITAL44135
NPI 18513096784158
KURZBAN, JEROLD3573
MOUNT SINAI HOSPITAL3055
HECHT, ALAN2658
ENZO CLINICAL LABS, INC.2059
Barry Berson
Diagnostic Radiology · New York, NY
2033
Mark Kaufmann
Dermatology · New York, NY
1726
Michael Gribetz
Urology · New York, NY
17102
Jerald Zimmer
Diagnostic Radiology · New York, NY
1626
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$1K
Payment records
47
By payment type
Food and Beverage$1K
QUALITY · MIPS · 2024
Final MIPS score
19.8
Quality
0.0
Cost
65.9
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
-6.63%
Individual