What is Casey Mcmillan's specialty?

Casey Mcmillan (NPI 1861526790) is a Medicare-billing provider whose primary specialty is Internal Medicine in Columbia, SC.

Where does Casey Mcmillan practice?

Casey Mcmillan practices in Columbia, SC, based on the location reported in the CMS Medicare provider datasets for NPI 1861526790.

How much does Medicare pay Casey Mcmillan?

Casey Mcmillan (NPI 1861526790) received approximately $786K in total Medicare Part B payments, serving 640 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861526790

Casey McmillanMD

PRACTICESC HOUSE CALLS INCSee all providers at this practice →

Internal MedicineColumbia, SCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,071

Unique beneficiaries

—

Total services

12,914

Distinct HCPCS

Medicare payment

$785K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

356

Beneficiaries

—

Total drug cost

$14K

Distinct drugs

Brand share

48.0%

Top prescribed drugs

Hydrocodone/Acetaminophen122 claims

Atorvastatin Calcium31 claims

Gabapentin24 claims

Oxycodone Hcl/Acetaminophen21 claims

Levothyroxine Sodium20 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

92.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

94.0

Payment adjustment

1.05%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$16

Payment records

By payment type

Food and Beverage$16

Top paying entities

Food and Beverage$16

REFERRAL NETWORK

Where Casey Mcmillan'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). 38 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE REGIONAL MEDICAL CENTER OF ORANGEBURG AND CALHOUN COUNTIES	318	731
Lyle Shelver Hospitalist · Orangeburg, SC	102	207
Orangeburg County Ems Ambulance Service Provider · Orangeburg, SC	101	172
Claudel Gratia Hospitalist · Savannah, GA	58	89
Leo Jesion Internal Medicine · Walterboro, SC	41	86
Dion Franga Nephrology · Orangeburg, SC	36	99
John Hutto Cardiology · Orangeburg, SC	36	62
Jeremy Skotko Emergency Medicine · Orangeburg, SC	35	62
George Augustine Pulmonary Disease · Orangeburg, SC	34	286
Samuel King Cardiology · Orangeburg, SC	33	72
George Castro Cardiology · Orangeburg, SC	31	75
ADAMS, STUART	31	41

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