PROVIDER PROFILE · NPI 1902849854

John CasterMD

PRACTICEFERRELL DUNCAN CLINIC, INCSee all providers at this practice →

Internal MedicineSpringfield, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,384

Unique beneficiaries

—

Total services

4,863

Distinct HCPCS

Medicare payment

$137K

Peer benchmark

Total Medicare services vs. 1,563 Internal Medicine providers in MO — top quintile (cohort median 658).

PRESCRIBING · PART D · 2024

Total Rx claims

10,741

Beneficiaries

—

Total drug cost

$799K

Distinct drugs

149

Brand share

20.3%

Top prescribed drugs

Atorvastatin Calcium591 claims

Amlodipine Besylate524 claims

Levothyroxine Sodium495 claims

Lisinopril487 claims

Omeprazole365 claims

QUALITY · MIPS · 2024

Final MIPS score

82.3

Quality

64.7

Cost

76.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.30%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

121

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where John Caster'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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LESTER E COX MEDICAL CENTERS	242	1,011
FANCHER, MICHAEL	38	98
Mark Anderson Interventional Cardiology · Springfield, MO	33	143
Mark Barrett Diagnostic Radiology · Springfield, MO	29	47
Danny Penick Interventional Cardiology · Springfield, MO	27	111
ROBERTS, TRACY	23	39
HAWKINS, CALVIN	22	63
Christine Wester Diagnostic Radiology · Springfield, MO	20	64
Anthony Divito Diagnostic Radiology · Springfield, MO	17	31
Bradley Wiley Internal Medicine · Springfield, MO	15	101
James Rice Cardiology · Springfield, MO	15	99
LESTER E COX MEDICAL CENTERS	14	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