What is Colby Chastain's specialty?

Colby Chastain (NPI 1922056217) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Gainesville, GA.

Where does Colby Chastain practice?

Colby Chastain practices in Gainesville, GA, based on the location reported in the CMS Medicare provider datasets for NPI 1922056217.

How much does Medicare pay Colby Chastain?

Colby Chastain (NPI 1922056217) received approximately $167K in total Medicare Part B payments, serving 3,189 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922056217

Colby ChastainM.D.

PRACTICEGAINESVILLE RADIOLOGY GROUP, PCSee all providers at this practice →

Diagnostic RadiologyGainesville, GAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,961

Unique beneficiaries

—

Total services

4,044

Distinct HCPCS

Medicare payment

$146K

Peer benchmark

Total Medicare services vs. 790 Diagnostic Radiology providers in GA — above median (cohort median 2,730).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Colby Chastain'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). 292 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTHEAST GEORGIA MEDICAL CENTER, INC.	2,942	5,921
HOOPER, TREVOR	560	1,357
Lee Martin Diagnostic Radiology · Gainesville, GA	519	1,125
Ajay Ravi Diagnostic Radiology · Gainesville, GA	519	1,028
Robert Balotin Diagnostic Radiology · Gainesville, GA	444	870
Matthew Scott Diagnostic Radiology · Macon, GA	326	716
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	322	493
Richard Cory Diagnostic Radiology · Gainesville, GA	308	528
Abhishek Gaur Cardiology · Gainesville, GA	249	503
Scott Stephen Diagnostic Radiology · Gainesville, GA	238	403
Julie Presley Diagnostic Radiology · Gainesville, GA	238	403
Christopher Ratchford Emergency Medicine · Cleveland, GA	207	522

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