NANCY W PEACOCK MD
NPI 1194751354
Internal Medicine - Medical Oncology in Nashville, TN
About Nancy W Peacock Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NANCY W PEACOCK MD (NPI 1194751354) is an individual medical oncology provider in Nashville, Tennessee, licensed in Tennessee (27303) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Ascension Saint Thomas Hospital, and is a graduate of University Of Missouri, Columbia School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Nancy W Peacock 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 Reassignment
Medicare enrollment records show Nancy Peacock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- 464 clinicians in this Medicare group
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 44
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Saint Thomas Hospital
Acute Care Hospitals · Nashville, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37203 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
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 37203
NASHVILLE, TN 37203
NASHVILLE, TN 37203
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 Nancy Peacock's NPI number?
The NPI number for Nancy Peacock is 1194751354. It was assigned to this individual provider in the NPPES registry on June 22, 2006.
Where is Nancy Peacock located?
Nancy Peacock practices at 2004 Hayes St Ste 350, Nashville, TN 37203. The listed phone number is (615) 312-3333.
What is Nancy Peacock's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Nancy Peacock enrolled in Medicare?
Yes. Nancy Peacock 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 organization bills Medicare for Nancy Peacock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Peacock reassigns Medicare benefits to Tennessee Oncology PLLC (Nashville, TN). The 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 Nancy Peacock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nancy Peacock accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 4 other insurers list Nancy Peacock 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 Nancy Peacock affiliated with any hospitals?
According to CMS data, Nancy Peacock is affiliated with Ascension Saint Thomas Hospital.
When was this NPI record last updated?
The NPPES record for Nancy Peacock was last updated on July 21, 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.