What is Mark Colligan's specialty?

Mark Colligan (NPI 1902998347) is a Medicare-billing provider whose primary specialty is Cardiology in San Antonio, TX.

Where does Mark Colligan practice?

Mark Colligan practices in San Antonio, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1902998347.

How much does Medicare pay Mark Colligan?

Mark Colligan (NPI 1902998347) received approximately $517K in total Medicare Part B payments, serving 2,031 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902998347

Mark ColliganMD

CardiologySan Antonio, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,574

Unique beneficiaries

—

Total services

8,132

Distinct HCPCS

Medicare payment

$499K

Peer benchmark

Total Medicare services vs. 1,379 Cardiology providers in TX — top quintile (cohort median 2,215).

PRESCRIBING · PART D · 2024

Total Rx claims

10,217

Beneficiaries

—

Total drug cost

$2.0M

Distinct drugs

Brand share

23.0%

Top prescribed drugs

Amlodipine Besylate935 claims

Apixaban846 claims

Rosuvastatin Calcium820 claims

Atorvastatin Calcium607 claims

Carvedilol550 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$13K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$8K

Food and Beverage$3K

Travel and Lodging$2K

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$8K

Food and Beverage$3K

Travel and Lodging$2K

REFERRAL NETWORK

Where Mark Colligan'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). 62 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	118	363
GUARDIAN CARDIAC DEVICE MONITORING LLC	107	448
Christina Mccune Diagnostic Radiology · San Antonio, TX	59	210
City Of San Antonio Texas Ambulance Service Provider · San Antonio, TX	59	190
Lifewatch Services, Inc Independent Diagnostic Testing Facility (IDTF) · Rosemont, IL	51	200
Kalife Kuri Cardiology · San Antonio, TX	49	204
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.	45	101
Allan Truax Diagnostic Radiology · San Antonio, TX	40	117
Aldo Parodi Pulmonary Disease · San Antonio, TX	37	286
Neelima Upputuri Internal Medicine · Grapevine, TX	36	366
NPI 1225003981	32	124
Prashanth Rao Internal Medicine · San Antonio, TX	30	245

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