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MR. ROBERT EDWIN DIAZ CRNA
NPI 1447867130
Nurse Anesthetist, Certified Registered in El Paso, TX

Active since September 26, 2020Accepts Medicare Assignment
91.63/100
CMS Quality Rating
4815 ALAMEDA AVE, EL PASO, TX 79905(915) 781-8259 Get Directions Write a Review

NPPES record last updated: September 26, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. Robert Edwin Diaz Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. ROBERT EDWIN DIAZ CRNA (NPI 1447867130) is an individual nurse anesthetist, certified registered in El Paso, Texas, licensed in Texas (820930) and active in the NPI registry since September 2020. He is affiliated with University Medical Center Of El Paso and is a graduate of Other (2020).

NPPES Registry Identity

NPI1447867130
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMR. ROBERT EDWIN DIAZCredential: CRNA
Location Address4815 ALAMEDA AVEEl Paso, TX 79905-2705
Mailing Address9 Cielo Del OesteAnthony, NM 88021-9275 · (915) 781-8259
Phone(915) 781-8259
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateSeptember 26, 2020
NPPES CertifiedSeptember 26, 2020
✔ NPI 1447867130 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in TX · 820930
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered NurseTaxonomy 163W00000X · License 820930 (TX)
4815 ALAMEDA AVE, El Paso, TX 79905
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna Healthcare, Imperial Insurance Companies, Inc..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

Mr. Robert Edwin Diaz Crna 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.

PECOS PAC ID9931512985
PECOS Enrollment IDI20210112000626

Medicare Billing Reassignments

5

Medicare enrollment records show Robert Diaz reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesia Associates Of El Paso PA
Same address
Anesthesiology
4815 ALAMEDA AVE
El Paso, TX 79905
  • Reassigned Medicare billing, Texas enrollment
  • 120 clinicians in this Medicare group
NPI 1942626908 (915) 521-7900
El Paso County Hospital District
Same address
General Acute Care Hospital
4815 ALAMEDA AVE
El Paso, TX 79905
  • Reassigned Medicare billing, Texas enrollment
  • 409 clinicians in this Medicare group
NPI 1316936990 (915) 544-1200
El Paso Anesthesia Associates LLC
3.1 mi
Nurse Anesthetist, Certified Registered
1300 MURCHISON DR STE 180
El Paso, TX 79902
  • Reassigned Medicare billing, Texas enrollment
  • 27 clinicians in this Medicare group
NPI 1194293076 (915) 544-5000
El Paso Ams, PLLC
12 mi
Anesthesiology
2000 TRANS MOUNTAIN RD
El Paso, TX 79911
  • Reassigned Medicare billing, Texas enrollment
  • 196 clinicians in this Medicare group
NPI 1134740202 (915) 577-8467
Texas Ams PLLC
1,142 mi
Anesthesiology
28 N PALAFOX ST
Pensacola, FL 32502
  • Reassigned Medicare billing, Texas enrollment
  • 432 clinicians in this Medicare group
NPI 1174926125 (866) 653-2540

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.

University Medical Center Of El Paso

Acute Care Hospitals · El Paso, TX
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450024
Location4815 Alameda AveEl Paso, TX 79905 · El Paso County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 79905 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.63/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94
Promoting Interoperability96
Improvement Activities40
Cost70.28

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.

ROBIN O STEMERMAN AGACNP
Nurse Practitioner (Acute Care)
4815 ALAMEDA AVE
EL PASO, TX 79905
El Paso County (915) 544-1200
DR. WESLEY STONELL CRNA
Nurse Anesthetist, Certified Registered
4815 ALAMEDA AVE
EL PASO, TX 79905
El Paso County (915) 544-1200
LILLIAN E SANCHEZ
Registered Nurse
4815 ALAMEDA AVE
EL PASO, TX 79905
El Paso County (915) 544-1200
DR. GUSTAVO ADOLFO DELGADO M.D
General Acute Care Hospital
4815 ALAMEDA AVE
EL PASO, TX 79905
El Paso County (915) 526-4286
HEATHER KAY ACOSTA CRNA
Nurse Anesthetist, Certified Registered
4815 ALAMEDA AVE
EL PASO, TX 79905
El Paso County (915) 544-1200
MS. NORMA M. SALCIDO WHNP
Clinical Nurse Specialist (Women's Health)
4815 ALAMEDA AVE
EL PASO, TX 79905
El Paso County (915) 521-7415
JAMES JOSEPH MD
Internal Medicine
4815 ALAMEDA AVE
EL PASO, TX 79905
El Paso County (915) 544-1200
CLAUDIA ALEXANDRA JORDAN GUEDES MD
Radiology (Diagnostic Radiology)
4815 ALAMEDA AVE
EL PASO, TX 79905
El Paso County (915) 215-6000

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 Robert Diaz's NPI number?

The NPI number for Robert Diaz is 1447867130. It was assigned to this individual provider in the NPPES registry on September 26, 2020.

Where is Robert Diaz located?

Robert Diaz practices at 4815 Alameda Ave, El Paso, TX 79905. The listed phone number is (915) 781-8259.

What is Robert Diaz's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Robert Diaz enrolled in Medicare?

Yes. Robert Diaz 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 Robert Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Diaz reassigns Medicare benefits to 5 organizations: Anesthesia Associates Of El Paso PA (El Paso, TX), El Paso County Hospital District (El Paso, TX), El Paso Anesthesia Associates LLC (El Paso, TX), El Paso Ams, PLLC (El Paso, TX) and Texas Ams PLLC (Pensacola, FL). 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 Robert Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Diaz accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare and Imperial Insurance Companies, Inc. list Robert Diaz 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 Robert Diaz affiliated with any hospitals?

According to CMS data, Robert Diaz is affiliated with University Medical Center Of El Paso.

When was this NPI record last updated?

The NPPES record for Robert Diaz was last updated on September 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.