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PROVIDER PROFILE · NPI 1083770580

Mark TanM.D.

RheumatologySmithtown, NYI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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REFERRAL NETWORK

Where Mark Tan'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 · 26 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Bioreference Health, Llc
Clinical Laboratory · Elmwood Park, NJ
150380
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Melville, NY
74263
Sunrise Medical Laboratories, Inc.
Clinical Laboratory · Hicksville, NY
58198
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
3167
CRESCENDO BIOSCIENCE, INC2142
Alex Rosioreanu
Diagnostic Radiology · Lindenhurst, NY
2045
ENZO CLINICAL LABS, INC.2045
JOHN T. MATHER MEMORIAL HOSPITAL1936
Exagen Inc.
Clinical Laboratory · Vista, CA
1879
Northwell Health Laboratories
Clinical Laboratory · New Hyde Park, NY
1548
SOUTH SHORE UNIVERSITY HOSPITAL1122
THEODORAKIS, MICHAEL1125
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Bioreference Health, Llc
Clinical Laboratory · Elmwood Park, NJ
282720
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Melville, NY
80305
Sunrise Medical Laboratories, Inc.
Clinical Laboratory · Hicksville, NY
48150
CRESCENDO BIOSCIENCE, INC48100
Exagen Inc.
Clinical Laboratory · Vista, CA
36183
UNIVERSITY HOSPITAL AT STONY BROOK3271
ST. CATHERINE OF SIENA MEDICAL CENTER2963
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
2753
Alex Rosioreanu
Diagnostic Radiology · Lindenhurst, NY
2338
Seema Meraj
Diagnostic Radiology · Lindenhurst, NY
2224
Northwell Health Laboratories
Clinical Laboratory · New Hyde Park, NY
2149
Cono Gallo
Diagnostic Radiology · Lindenhurst, NY
2031
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.
PRESCRIBING · PART D · 2024
Total Rx claims
1,065
Beneficiaries
—
Total drug cost
$2.3M
Distinct drugs
32
Brand share
46.0%
Top prescribed drugs
Prednisone154 claims
Tocilizumab90 claims
Denosumab88 claims
Gabapentin82 claims
Hydroxychloroquine Sulfate54 claims
QUALITY · MIPS · 2024
Final MIPS score
100.0
Quality
100.0
Cost
0.0
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
1.05%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$3K
Payment records
142
By payment type
Food and Beverage$3K
Education$72
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,028
Unique beneficiaries
—
Total services
44,681
Distinct HCPCS
25
Medicare payment
$675K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 402 Rheumatology providers in NY — top quintile (cohort median 1,221).