PROVIDER PROFILE · NPI 1801880190

Christopher MahrMD

PRACTICECOLONIAL FAMILY PRACTICE, LLCSee all providers at this practice →

Family PracticeSumter, SCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,969

Unique beneficiaries

—

Total services

11,086

Distinct HCPCS

Medicare payment

$203K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

10,033

Beneficiaries

—

Total drug cost

$1.4M

Distinct drugs

133

Brand share

31.0%

Top prescribed drugs

Atorvastatin Calcium874 claims

Amlodipine Besylate651 claims

Potassium Chloride311 claims

Losartan Potassium287 claims

Metformin Hcl285 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$109

Payment records

By payment type

Food and Beverage$109

Top paying entities

Food and Beverage$109

REFERRAL NETWORK

Where Christopher Mahr'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). 45 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PRISMA HEALTH TUOMEY	235	1,437
Gilbert Parker Diagnostic Radiology · Greenville, SC	115	527
Edward Meyers General Practice · Sumter, SC	60	391
Sumter County Ems Ambulance Service Provider · Sumter, SC	52	217
Mitchell Grunsky Family Practice · Sumter, SC	44	318
Gregory Spellman Pain Management · Savannah, GA	39	262
Guillermo Pineda Cardiology · Columbia, SC	38	115
TRI COUNTY HOSPICE INC	35	164
Jonathan Hewett Interventional Cardiology · West Columbia, SC	34	158
CARDIODX, INC.	31	166
Joseph Williams Internal Medicine · Columbia, SC	29	153
CLOWNEY, BILLY	26	312

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