MRS. MARGARET NEGRETE D.O.
NPI 1033107479
Anesthesiology in El Paso, TX
About Mrs. Margaret Negrete D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARGARET NEGRETE D.O. (NPI 1033107479) is an individual anesthesiology provider in El Paso, Texas, licensed in Texas (J2228) and active in the NPI registry since October 2005. 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
Secondary Practice Location 1
Other Identifiers 3
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. Margaret Negrete D.o. 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 Margaret Negrete reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
El Paso, TX 79905
- Reassigned Medicare billing, Texas enrollment
- 856 clinicians in this Medicare group
El Paso, TX 79905
- Reassigned Medicare billing, Texas enrollment
- 120 clinicians in this Medicare group
San Antonio, TX 78258
- Reassigned Medicare billing, Texas enrollment
- 964 clinicians in this Medicare group
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 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 7
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.
Sierra Medical Center
Acute Care Hospitals · El Paso, TXOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EL PASO, TX 79902
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 Margaret Negrete's NPI number?
The NPI number for Margaret Negrete is 1033107479. It was assigned to this individual provider in the NPPES registry on October 10, 2005.
Where is Margaret Negrete located?
Margaret Negrete practices at 1801 N Oregon St, El Paso, TX 79902. The listed phone number is (915) 521-1200.
What is Margaret Negrete's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Margaret Negrete enrolled in Medicare?
Yes. Margaret Negrete 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 Margaret Negrete's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Negrete reassigns Medicare benefits to 4 organizations: Texas Tech University Health Sciences Center El Paso (El Paso, TX), Anesthesia Associates Of El Paso PA (El Paso, TX), Bhs Physicians Network, Inc (San Antonio, TX) and U. S. Anesthesia Partners Of Texas, P.A., (Houston, 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 Margaret Negrete's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Negrete accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Insurance Company and UnitedHealthcare list Margaret Negrete 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 Margaret Negrete affiliated with any hospitals?
According to CMS data, Margaret Negrete is affiliated with Sierra Medical Center.
When was this NPI record last updated?
The NPPES record for Margaret Negrete was last updated on June 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. Margaret Negrete, D.O. · NPI 1033107479
Anesthesiology physician in El Paso, Texas. Individual provider, active in the CMS NPPES registry since October 10, 2005.
## Identity
- **NPI:** 1033107479 (Entity type: Individual)
- **Enumerated:** October 10, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** J2228 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1801 N OREGON ST, El Paso, TX 79902-3524
- **Phone:** (915) 521-1200 · **Fax:** (866) 862-5432
## 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): Texas Tech University Health Sciences Center El Paso (NPI 1548389554, El Paso, TX); Anesthesia Associates Of El Paso PA (NPI 1942626908, El Paso, TX); Bhs Physicians Network, Inc (NPI 1598958431, San Antonio, TX); U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Des Moines University Of Osteopathic Medicine And Health Sciences, class of 1989
## Record status
- **NPPES last updated:** June 11, 2024
- **Other identifiers:** Medicaid 120438001 (TX); Medicaid U4273 (NM); Medicaid 120438004 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1033107479) · Data from the CMS NPPES public registry.