What is Rebecca Kalhorn's specialty?

Rebecca Kalhorn (NPI 1205000858) is a Medicare-billing provider whose primary specialty is Internal Medicine in Charleston, SC.

Where does Rebecca Kalhorn practice?

Rebecca Kalhorn practices in Charleston, SC, based on the location reported in the CMS Medicare provider datasets for NPI 1205000858.

How much does Medicare pay Rebecca Kalhorn?

Rebecca Kalhorn (NPI 1205000858) received approximately $53K in total Medicare Part B payments, serving 336 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1205000858

Rebecca KalhornM.D.

PRACTICEMUSCSee all providers at this practice →

Internal MedicineCharleston, SCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

496

Unique beneficiaries

—

Total services

658

Distinct HCPCS

Medicare payment

$51K

Peer benchmark

Total Medicare services vs. 1,190 Internal Medicine providers in SC — below median (cohort median 884).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$62

Distinct drugs

Brand share

52.2%

Top prescribed drugs

Amoxicillin/Potassium Clav12 claims

Amlodipine Besylate11 claims

QUALITY · MIPS · 2024

Final MIPS score

84.1

Quality

79.2

Cost

69.7

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.38%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Rebecca Kalhorn'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). 2 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MEDICAL UNIVERSITY HOSPITAL AUTHORITY	61	395
James Ravenel Diagnostic Radiology · Charleston, SC	12	30

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Carolina Family Care, Inc Clinical Laboratory · Mt Pleasant, SC	71	242
MEDICAL UNIVERSITY HOSPITAL AUTHORITY	44	284
Carol Blessing-Feussner Physician Assistant · Charleston, SC	13	27

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