What is Mark Friedman's specialty?

Mark Friedman (NPI 1932311974) is a Medicare-billing provider whose primary specialty is Cardiology in Saint Louis, MO.

Where does Mark Friedman practice?

Mark Friedman practices in Saint Louis, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1932311974.

How much does Medicare pay Mark Friedman?

Mark Friedman (NPI 1932311974) received approximately $91K in total Medicare Part B payments, serving 902 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1932311974

Mark FriedmanM.D.

PRACTICESSM CARDIOVASCULAR AND THORACIC SERVICES, INC.See all providers at this practice →

CardiologySaint Louis, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,435

Unique beneficiaries

—

Total services

1,778

Distinct HCPCS

Medicare payment

$87K

Peer benchmark

Total Medicare services vs. 343 Cardiology providers in MO — below median (cohort median 2,194).

PRESCRIBING · PART D · 2024

Total Rx claims

7,473

Beneficiaries

—

Total drug cost

$1.5M

Distinct drugs

Brand share

24.1%

Top prescribed drugs

Atorvastatin Calcium1,000 claims

Apixaban646 claims

Metoprolol Succinate641 claims

Amlodipine Besylate623 claims

Carvedilol508 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$332

Payment records

By payment type

Food and Beverage$332

Top paying entities

Food and Beverage$332

REFERRAL NETWORK

Where Mark Friedman'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). 121 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Peter Holtz Diagnostic Radiology · Chesterfield, MO	519	1,279
Kelby Napier Diagnostic Radiology · Saint Louis, MO	387	842
Debbie Bennett Diagnostic Radiology · Saint Louis, MO	283	573
Phillip Apprill Cardiology · Saint Louis, MO	229	685
George Mekhjian Internal Medicine · Saint Peters, MO	156	312
Debapriya De Hospitalist · Tacoma, WA	119	286
Vipindas Chengat Internal Medicine · Milwaukee, WI	117	273
Mian Rizwan Internal Medicine · Scottsdale, AZ	117	180
Piotr Kulikowski Internal Medicine · Saint Louis, MO	106	351
Justin Rapoff Emergency Medicine · Olympia Fields, IL	102	182
GATEWAY AMBULANCE SERVICE LLC	101	165
Bethany Catlett Nurse Practitioner · Saint Louis, MO	97	158

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