ALYSSA R ESPINERA MD
NPI 1265824197
Internal Medicine - Critical Care Medicine in Chattanooga, TN
About Alyssa R Espinera Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSSA R ESPINERA MD (NPI 1265824197) is an individual critical care medicine provider in Chattanooga, Tennessee, licensed in Tennessee (68327) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Memorial Healthcare System, Inc, and is a graduate of Northwestern University Feinberg Medical School (2013).
NPPES Registry Identity
Specialties & Licenses 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
Alyssa R Espinera 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
4Medicare enrollment records show Alyssa Espinera reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chattanooga, TN 37411
- Reassigned Medicare billing, Tennessee enrollment
- 570 clinicians in this Medicare group
Bogalusa, LA 70427
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 159 clinicians in this Medicare group
Metairie, LA 70001
- Reassigned Medicare billing, Louisiana enrollment
- 176 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
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.
Memorial Healthcare System, Inc
Acute Care Hospitals · Chattanooga, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37404 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.
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 Alyssa Espinera's NPI number?
The NPI number for Alyssa Espinera is 1265824197. It was assigned to this individual provider in the NPPES registry on March 2, 2015.
Where is Alyssa Espinera located?
Alyssa Espinera practices at 2525 Desales Ave, Chattanooga, TN 37404. The listed phone number is (423) 495-2525.
What is Alyssa Espinera's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Alyssa Espinera enrolled in Medicare?
Yes. Alyssa Espinera 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 Alyssa Espinera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Espinera reassigns Medicare benefits to 4 organizations: Memorial Health Partners Foundation, Inc (Chattanooga, TN), Ochsner Clinic LLC (Bogalusa, LA), Van Meter Emergency Physicians Inc. Apmc (Covington, LA) and C & M Medical Services, Inc. (Metairie, LA). 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 Alyssa Espinera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alyssa Espinera accept?
Health plans from Alliant Health Plans, Inc. and CHRISTUS Health Plan list Alyssa Espinera 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 Alyssa Espinera affiliated with any hospitals?
According to CMS data, Alyssa Espinera is affiliated with Memorial Healthcare System, Inc.
When was this NPI record last updated?
The NPPES record for Alyssa Espinera was last updated on July 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Alyssa R Espinera, MD · NPI 1265824197
Critical Care Medicine physician in Chattanooga, Tennessee. Individual provider, active in the CMS NPPES registry since March 2, 2015.
## Identity
- **NPI:** 1265824197 (Entity type: Individual)
- **Enumerated:** March 2, 2015
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 68327 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 2525 DESALES AVE, Chattanooga, TN 37404-1161
- **Phone:** (423) 495-2525 · **Fax:** (423) 495-2625
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Memorial Health Partners Foundation, Inc (NPI 1922053545, Chattanooga, TN); Ochsner Clinic LLC (NPI 1366797110, Bogalusa, LA); Van Meter Emergency Physicians Inc. Apmc (NPI 1649410697, Covington, LA); C & M Medical Services, Inc. (NPI 1710903059, Metairie, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2013
## Record status
- **NPPES last updated:** July 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1265824197) · Data from the CMS NPPES public registry.