DR. NICHOLSON S CHADWICK MD
NPI 1669736948
Radiology - Diagnostic Radiology in Nashville, TN
About Dr. Nicholson S Chadwick Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICHOLSON S CHADWICK MD (NPI 1669736948) is an individual diagnostic radiology provider in Nashville, Tennessee, licensed in Tennessee (62689) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Decatur Memorial Hospital, and maintains 6 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 6
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Nicholson S Chadwick Md 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.
Medicare Billing Reassignments
6Medicare enrollment records show Nicholson Chadwick reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nashville, TN 37232
- Reassigned Medicare billing, Tennessee enrollment
- 4,711 clinicians in this Medicare group
Nashville, TN 37212
- Reassigned Medicare billing, Tennessee enrollment
- 195 clinicians in this Medicare group
Nashville, TN 37204
- Reassigned Medicare billing, Tennessee enrollment
- 218 clinicians in this Medicare group
Franklin, TN 37067
- Reassigned Medicare billing, Tennessee enrollment
- 187 clinicians in this Medicare group
St Charles, MO 63301
- Reassigned Medicare billing, Missouri enrollment
- 21 clinicians in this Medicare group
Decatur, IL 62526
- Reassigned Medicare billing, Tennessee enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 97
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.
Decatur Memorial Hospital
Acute Care Hospitals · Decatur, ILHshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILWarner Hospital And Health Services
Critical Access Hospitals · Clinton, ILPana Community Hospital
Critical Access Hospitals · Pana, ILVanderbilt University Medical Center
Acute Care Hospitals · Nashville, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37232 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
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 Nicholson Chadwick's NPI number?
The NPI number for Nicholson Chadwick is 1669736948. It was assigned to this individual provider in the NPPES registry on July 1, 2012.
Where is Nicholson Chadwick located?
Nicholson Chadwick practices at 3601 The Vanderbilt Clinic, Nashville, TN 37232. The listed phone number is (615) 322-3000.
What is Nicholson Chadwick's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Nicholson Chadwick enrolled in Medicare?
Yes. Nicholson Chadwick 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.
Which organizations bill Medicare for Nicholson Chadwick's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholson Chadwick reassigns Medicare benefits to 6 organizations: Vanderbilt University Medical Center (Nashville, TN), Vanderbilt Imaging Services, LLC (Nashville, TN), One Hundred Oaks Imaging, LLC (Nashville, TN), Williamson Imaging, LLC (Franklin, TN), Radiologic Imaging Consultants, LLP (St Charles, MO) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nicholson Chadwick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholson Chadwick accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama and Ambetter of North Carolina and 4 other insurers list Nicholson Chadwick 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 Nicholson Chadwick affiliated with any hospitals?
According to CMS data, Nicholson Chadwick is affiliated with Decatur Memorial Hospital, Hshs St Elizabeth's Hospital, Warner Hospital And Health Services, Pana Community Hospital and Vanderbilt University Medical Center.
When was this NPI record last updated?
The NPPES record for Nicholson Chadwick was last updated on March 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.