DR. COLBY T CHASTAIN M.D.
NPI 1922056217
Radiology - Diagnostic Radiology in Gainesville, GA
About Dr. Colby T Chastain M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. COLBY T CHASTAIN M.D. (NPI 1922056217) is an individual diagnostic radiology provider in Gainesville, Georgia, licensed in Georgia (047968) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Northeast Georgia Medical Center, Inc, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Secondary Practice Locations 5
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Colby T Chastain M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 77
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northeast Georgia Medical Center, Inc
Acute Care Hospitals · Gainesville, GANgmc Barrow, LLC
Acute Care Hospitals · Winder, GAUnion General Hospital
Acute Care Hospitals · Blairsville, GANorthside Hospital
Acute Care Hospitals · Atlanta, GANortheast Georgia Medical Center Lumpkin
Acute Care Hospitals · Dahlonega, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GAINESVILLE, GA 30501
GAINESVILLE, GA 30501
GAINESVILLE, GA 30501
GAINESVILLE, GA 30501
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Colby Chastain's NPI number?
The NPI number for Colby Chastain is 1922056217. It was assigned to this individual provider in the NPPES registry on May 5, 2006.
Where is Colby Chastain located?
Colby Chastain practices at 200 W Academy Street, Gainesville, GA 30501. The listed phone number is (770) 282-8820.
What is Colby Chastain's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Colby Chastain enrolled in Medicare?
Yes. Colby Chastain is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Colby Chastain accept?
Health plans from Alliant Health Plans, Inc. list Colby Chastain as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Colby Chastain affiliated with any hospitals?
According to CMS data, Colby Chastain is affiliated with Northeast Georgia Medical Center, Inc, Ngmc Barrow, LLC, Union General Hospital, Northside Hospital and Northeast Georgia Medical Center Lumpkin.
When was this NPI record last updated?
The NPPES record for Colby Chastain was last updated on September 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.