NIRMA D BUSTAMANTE
NPI 1245506773
Emergency Medicine in Boston, MA
About Nirma D Bustamante NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NIRMA D BUSTAMANTE (NPI 1245506773) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (251934) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, is affiliated with Sierra Medical Center, and maintains a secondary practice location in El Paso.
NPPES Registry Identity
Specialties & Licenses 2
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
Nirma D Bustamante 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
2Medicare enrollment records show Nirma Bustamante reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
El Paso, TX 79936
- Reassigned Medicare billing, Texas enrollment
- 172 clinicians in this Medicare group
El Paso, TX 79924
- Reassigned Medicare billing, Texas enrollment
- 856 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sierra Medical Center
Acute Care Hospitals · El Paso, TXThe Hospitals Of Providence - East Campus
Acute Care Hospitals · El Paso, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 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 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Nirma Bustamante's NPI number?
The NPI number for Nirma Bustamante is 1245506773. It was assigned to this individual provider in the NPPES registry on March 29, 2012.
Where is Nirma Bustamante located?
Nirma Bustamante practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-8070.
What is Nirma Bustamante's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nirma Bustamante enrolled in Medicare?
Yes. Nirma Bustamante 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 Nirma Bustamante's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nirma Bustamante reassigns Medicare benefits to 2 organizations: Bluff Creek Emergency Medicine Associates, PA (El Paso, TX) and Texas Tech University Health Sciences Center El Paso (El Paso, TX). 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 Nirma Bustamante's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nirma Bustamante accept?
Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Harbor Health and Oscar Health and 1 other insurer list Nirma Bustamante 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 Nirma Bustamante affiliated with any hospitals?
According to CMS data, Nirma Bustamante is affiliated with Sierra Medical Center and The Hospitals Of Providence - East Campus.
When was this NPI record last updated?
The NPPES record for Nirma Bustamante was last updated on January 17, 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.
# Nirma D Bustamante · NPI 1245506773
Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 29, 2012.
## Identity
- **NPI:** 1245506773 (Entity type: Individual)
- **Enumerated:** March 29, 2012
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 251934 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6110
- **Phone:** (617) 732-8070
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Bluff Creek Emergency Medicine Associates, PA (NPI 1679071690, El Paso, TX); Texas Tech University Health Sciences Center El Paso (NPI 1124072681, El Paso, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2011
## Record status
- **NPPES last updated:** January 17, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1245506773) · Data from the CMS NPPES public registry.