MRS. DIANA ESTEFANIA ESPINOZA BARRERA M.D
NPI 1265939037
Internal Medicine - Critical Care Medicine in Boston, MA
About Mrs. Diana Estefania Espinoza Barrera M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. DIANA ESTEFANIA ESPINOZA BARRERA M.D (NPI 1265939037) is an individual critical care medicine provider in Boston, Massachusetts, licensed in Louisiana (326959) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with University Medical Center New Orleans, and maintains a secondary practice location in New Orleans.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Mrs. Diana Estefania Espinoza Barrera M.d 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
3Medicare enrollment records show Diana Espinoza Barrera reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Hattiesburg, MS 39402
- Reassigned Medicare billing, Louisiana enrollment
- Also billed through NPI 1245434224 (Louisiana)
- 851 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Medical Center New Orleans
Acute Care Hospitals · New Orleans, LATouro Infirmary
Acute Care Hospitals · New Orleans, LAEast Jefferson General Hospital
Acute Care Hospitals · Metairie, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Diana Espinoza Barrera's NPI number?
The NPI number for Diana Espinoza Barrera is 1265939037. It was assigned to this individual provider in the NPPES registry on April 9, 2018.
Where is Diana Espinoza Barrera located?
Diana Espinoza Barrera practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.
What is Diana Espinoza Barrera's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Diana Espinoza Barrera enrolled in Medicare?
Yes. Diana Espinoza Barrera 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 Diana Espinoza Barrera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Espinoza Barrera reassigns Medicare benefits to 3 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Administrators Of The Tulane Educational Fund (Hattiesburg, MS). 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 Diana Espinoza Barrera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diana Espinoza Barrera accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Blue Cross and Blue Shield of Louisiana and 1 other insurer list Diana Espinoza Barrera 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 Diana Espinoza Barrera affiliated with any hospitals?
According to CMS data, Diana Espinoza Barrera is affiliated with University Medical Center New Orleans, Touro Infirmary and East Jefferson General Hospital.
When was this NPI record last updated?
The NPPES record for Diana Espinoza Barrera was last updated on April 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mrs. Diana Estefania Espinoza Barrera, M.D · NPI 1265939037
Critical Care Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 9, 2018.
## Identity
- **NPI:** 1265939037 (Entity type: Individual)
- **Enumerated:** April 9, 2018
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 326959 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2696
- **Phone:** (617) 726-2000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Administrators Of The Tulane Educational Fund (NPI 1033395298, Hattiesburg, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** April 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1265939037) · Data from the CMS NPPES public registry.