MARK CHRISTOPHER ALLEN
NPI 1689251217
Anesthesiology in Chattanooga, TN
About Mark Christopher Allen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK CHRISTOPHER ALLEN (NPI 1689251217) is an individual anesthesiology provider in Chattanooga, Tennessee, licensed in Tennessee (66450) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Memorial Healthcare System, Inc, and is a graduate of University Of Alabama School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
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
Mark Christopher Allen 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 Mark Allen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chattanooga, TN 37411
- Reassigned Medicare billing, Georgia and Tennessee enrollments
- 242 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.
Memorial Healthcare System, Inc
Acute Care Hospitals · Chattanooga, TNOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
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 Mark Allen's NPI number?
The NPI number for Mark Allen is 1689251217. It was assigned to this individual provider in the NPPES registry on March 28, 2021.
Where is Mark Allen located?
Mark Allen practices at 2525 Desales Ave, Chattanooga, TN 37404. The listed phone number is (423) 495-2525.
What is Mark Allen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Allen enrolled in Medicare?
Yes. Mark Allen 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 Mark Allen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Allen reassigns Medicare benefits to Memorial Health Partners Foundation, Inc (Chattanooga, 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 Mark Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Allen accept?
Health plans from Alliant Health Plans, Inc. list Mark Allen 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 Mark Allen affiliated with any hospitals?
According to CMS data, Mark Allen is affiliated with Memorial Healthcare System, Inc.
When was this NPI record last updated?
The NPPES record for Mark Allen was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.