What is John Calder's specialty?

John Calder (NPI 1740240829) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Marble Falls, TX.

Where does John Calder practice?

John Calder practices in Marble Falls, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1740240829.

How much does Medicare pay John Calder?

John Calder (NPI 1740240829) received approximately $77K in total Medicare Part B payments, serving 2,426 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1740240829

John CalderM.D.

PRACTICESCOTT & WHITE HOSPITAL - MARBLE FALLSSee all providers at this practice →

Diagnostic RadiologyMarble Falls, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,503

Unique beneficiaries

—

Total services

3,566

Distinct HCPCS

Medicare payment

$74K

Peer benchmark

Total Medicare services vs. 2,345 Diagnostic Radiology providers in TX — above median (cohort median 2,473).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

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 John Calder'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). 56 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MID COAST MEDICAL CENTER - CENTRAL	550	1,563
SCOTT & WHITE MEMORIAL HOSPITAL	313	850
SCOTT & WHITE HOSPITAL - ROUND ROCK	119	210
Dave Chawla Cardiology · Marble Falls, TX	70	290
Kory Williams Podiatry · Round Rock, TX	68	231
NPI 1255588018	62	199
SCOTT & WHITE HOSPITAL - MARBLE FALLS	58	95
Clint Gerdes Diagnostic Radiology · Temple, TX	49	135
Jack Franklin Family Practice · Llano, TX	48	185
Scott & White Ems, Inc Ambulance Service Provider · Temple, TX	46	66
Felix Lin Diagnostic Radiology · Round Rock, TX	43	73
Paul Metzger Diagnostic Radiology · Temple, TX	41	121

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