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PROVIDER PROFILE · NPI 1326197963

Mark MarshallD.O.

Internal MedicineSharon, CTI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 071523
Hospice
CCN 070004
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
190
Unique beneficiaries
—
Total services
224
Distinct HCPCS
6
Medicare payment
$21K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,650 Internal Medicine providers in CT — below median (cohort median 549).
PRESCRIBING · PART D · 2024
Total Rx claims
11
Beneficiaries
—
Total drug cost
$35
Distinct drugs
1
Brand share
0.0%
Top prescribed drugs
Prednisone11 claims
QUALITY · MIPS · 2024
Final MIPS score
81.4
Quality
63.0
Cost
72.3
Improvement activities
40.0
Promoting interop.
98.0
Payment adjustment
0.27%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Mark Marshall'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). 33 inbound referrers · 73 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
VASSAR HEALTH CONNECTICUT, INC.3741,728
Jon Lewis
Diagnostic Radiology · Poughkeepsie, NY
160547
Michael Parker
Pulmonary Disease · Sharon, CT
145890
CHIN, ARTHUR98234
Mehdi Djekidel
Nuclear Medicine · Hamden, CT
87334
Philip Amatulle
Diagnostic Radiology · Fort Myers, FL
81328
Roniel Santos
Emergency Medicine · Pittsfield, MA
72200
David Kurish
Internal Medicine · Sharon, CT
71201
Sabooh Mubbashar
Psychiatry · Waterbury, CT
48172
VASSAR HEALTH CONNECTICUT, INC.4375
Michael Kelly
Internal Medicine · Salisbury, CT
38158
Marjorie Arni
Certified Clinical Nurse Specialist · Avon, CT
37121
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
VASSAR HEALTH CONNECTICUT, INC.2071,216
Northern Dutchess Paramedics Inc
Ambulance Service Provider · Rhinebeck, NY
179476
Donald Soucier
Cardiology · Sharon, CT
162630
Mehdi Djekidel
Nuclear Medicine · Hamden, CT
126382
David Kurish
Internal Medicine · Sharon, CT
123307
Douglas Finch
Infectious Disease · Kent, CT
113784
Lisa Haut
Nurse Practitioner · Torrington, CT
109374
Lawrence Atlas
Nurse Practitioner · Poughkeepsie, NY
108361
Leonard Astrauskas
Internal Medicine · Port Orange, FL
105320
Jon Lewis
Diagnostic Radiology · Poughkeepsie, NY
102286
Michael Parker
Pulmonary Disease · Sharon, CT
80766
GAINES, VICTOR74199
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.