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PROVIDER PROFILE · NPI 1346212594

John MarksMD

Colorectal Surgery (Proctology)Wynnewood, PAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$28K
Payment records
30
By payment type
Consulting Fee$24K
Food and Beverage$2K
Travel and Lodging$1K
PRESCRIBING · PART D · 2024
Total Rx claims
91
Beneficiaries
—
Total drug cost
$517
Distinct drugs
2
Brand share
0.0%
Top prescribed drugs
Doxycycline Hyclate77 claims
Dicyclomine Hcl14 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
609
Unique beneficiaries
—
Total services
727
Distinct HCPCS
14
Medicare payment
$83K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 93 Colorectal Surgery (Proctology) providers in PA — top quintile (cohort median 504).
REFERRAL NETWORK

Where John Marks'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). 12 inbound referrers · 32 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MAIN LINE HOSPITALS, INC.235948
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Norristown, PA
37125
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
36101
IMAIZUMI, SHOTARO2969
Priscilla Nelson
Anesthesiology · Philadelphia, PA
2150
Peter Kowey
Clinical Cardiac Electrophysiology · Wynnewood, PA
1952
ATLANTICARE REGIONAL MEDICAL CENTER1747
CAPE REGIONAL MEDICAL CENTER, INC1261
Gan Xin Yan
Clinical Cardiac Electrophysiology · Wynnewood, PA
1230
MAIN LINE HOSPITALS, INC.1280
MAIN LINE HEALTH HOMECARE AND HOSPICE1120
Michael Lilian
Anesthesiology · Bryn Mawr, PA
1120
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MAIN LINE HOSPITALS, INC.129517
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Norristown, PA
38120
Pradeep Bhagat
Pathology · Wynnewood, PA
2983
Kimberly Heightchew
Pathology · Wynnewood, PA
2880
Joseph Frenkel
Colorectal Surgery (Proctology) · Suffolk, VA
2553
Prashant Bhandare
Anesthesiology · Villanova, PA
2556
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
2359
Erik Zeger
Medical Oncology · Wynnewood, PA
21204
Vincenzo Ciocca
Pathology · Bryn Mawr, PA
2058
IMAIZUMI, SHOTARO1944
Peter Villas
Diagnostic Radiology · Abington, PA
1851
Heather Farrell
Certified Registered Nurse Anesthetist (CRNA) · Drexel Hill, PA
1848
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.