LAWRENCE STACK MD
NPI 1255423679
Emergency Medicine in Nashville, TN
About Lawrence Stack Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAWRENCE STACK MD (NPI 1255423679) is an individual emergency medicine provider in Nashville, Tennessee, licensed in Tennessee (MD26886) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Tristar Skyline Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Lawrence Stack 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 Lawrence Stack 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
- 414 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Tristar Skyline 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.
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 Lawrence Stack's NPI number?
The NPI number for Lawrence Stack is 1255423679. It was assigned to this individual provider in the NPPES registry on September 30, 2006.
Where is Lawrence Stack located?
Lawrence Stack practices at 3601 The Vanderbilt Clinic, Nashville, TN 37232. The listed phone number is (615) 322-3000.
What is Lawrence Stack's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Lawrence Stack enrolled in Medicare?
Yes. Lawrence Stack 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 Lawrence Stack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Stack reassigns Medicare benefits to Emergency Medicine Services Of Tn, PC (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 Lawrence Stack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lawrence Stack accept?
Health plans from Oscar Insurance Company list Lawrence Stack 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 Lawrence Stack affiliated with any hospitals?
According to CMS data, Lawrence Stack is affiliated with Tristar Skyline Medical Center.
When was this NPI record last updated?
The NPPES record for Lawrence Stack was last updated on March 28, 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.
# Lawrence Stack, MD · NPI 1255423679
Emergency Medicine physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since September 30, 2006.
## Identity
- **NPI:** 1255423679 (Entity type: Individual)
- **Enumerated:** September 30, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD26886 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 3601 THE VANDERBILT CLINIC, Nashville, TN 37232-2637
- **Phone:** (615) 322-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Emergency Medicine Services Of Tn, PC (NPI 1720785884, Nashville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oral Roberts University School Of Medicine, class of 1987
## Record status
- **NPPES last updated:** March 28, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1255423679) · Data from the CMS NPPES public registry.