What is Mark Shaffer's specialty?

Mark Shaffer (NPI 1639308380) is a Medicare-billing provider whose primary specialty is Family Practice in Winnsboro, SC.

Where does Mark Shaffer practice?

Mark Shaffer practices in Winnsboro, SC, based on the location reported in the CMS Medicare provider datasets for NPI 1639308380.

How much does Medicare pay Mark Shaffer?

Mark Shaffer (NPI 1639308380) received approximately $12K in total Medicare Part B payments, serving 50 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639308380

Mark ShafferMD

PRACTICEPRISMA HEALTH-MIDLANDSSee all providers at this practice →

Family PracticeWinnsboro, SCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

118

Distinct HCPCS

Medicare payment

$9K

Peer benchmark

Total Medicare services vs. 1,484 Family Practice providers in SC — bottom quintile (cohort median 1,121).

PRESCRIBING · PART D · 2024

Total Rx claims

2,382

Beneficiaries

—

Total drug cost

$376K

Distinct drugs

Brand share

30.3%

Top prescribed drugs

Amlodipine Besylate154 claims

Atorvastatin Calcium147 claims

Semaglutide92 claims

Metformin Hcl80 claims

Albuterol Sulfate76 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mark Shaffer'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PRISMA HEALTH-MIDLANDS	159	454
NPI 1083652226	29	60
Edward Gize Diagnostic Radiology · Greenville, SC	28	61
Meshia Waleh Family Practice · Columbia, SC	28	58
THE COMMUNITY HEALTH FOUNDATION OF FAIRFIELD COUNTY	28	69
County Council For Richland County Ambulance Service Provider · Columbia, SC	27	65
Jonathan Hewett Interventional Cardiology · West Columbia, SC	27	40
Harry Hardin Diagnostic Radiology · Greenville, SC	22	52
Vince Vismara Interventional Cardiology · Columbia, SC	21	28
Siraj Abdullah Family Practice · Columbia, SC	20	31
Patricia Witherspoon Family Practice · Columbia, SC	19	36
Charles Lamar Family Practice · Columbia, SC	18	34

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