1. Home
  2. Directory
  3. Arizona
  4. Phoenix
  5. Nurse Anesthetist Certified Registered
  6. NPI Profile

ROLANDO DIAZ CRNA
NPI 1417325358
Nurse Anesthetist, Certified Registered in Phoenix, AZ

Active since September 09, 2015Accepts Medicare Assignment
83.06/100
CMS Quality Rating
1850 N CENTRAL AVE STE 1600, SUITE 1600, PHOENIX, AZ 85004(602) 262-8900(602) 262-8890 Get Directions Write a Review

NPPES record last updated: December 18, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Rolando Diaz Crna NPPES

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

ROLANDO DIAZ CRNA (NPI 1417325358) is an individual nurse anesthetist, certified registered in Phoenix, Arizona, licensed in Arizona (CRNA1162) and active in the NPI registry since September 2015. He is affiliated with De Tar Hospital Navarro and is a graduate of Other (2015).

NPPES Registry Identity

NPI1417325358
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameROLANDO DIAZCredential: CRNA
Location Address1850 N CENTRAL AVE STE 1600, SUITE 1600Phoenix, AZ 85004-4633
Mailing Address1850 N Central Ave Ste 1600, Suite 1600Phoenix, AZ 85004-4633 · (602) 262-8900 · Fax (602) 262-8890
Phone(602) 262-8900
Fax(602) 262-8890
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateSeptember 9, 2015
Last NPPES UpdateDecember 18, 2015
✔ NPI 1417325358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in AZ · CRNA1162
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.
1850 N CENTRAL AVE STE 1600, Phoenix, AZ 85004
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINZ183955AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna HealthCare of Arizona, Inc, Oscar Health and more.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

Rolando 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 ID6406157395
PECOS Enrollment IDI20220727003443

Medicare Billing Reassignments

10

Medicare enrollment records show Rolando Diaz reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

On-Call Anesthesia Surgical, LLC
0.9 mi
Specialist
1301 E MCDOWELL RD, SUITE 100
Phoenix, AZ 85006
  • Reassigned Medicare billing, Arizona enrollment
  • 6 clinicians in this Medicare group
NPI 1437520624 (602) 265-8800
Greater Anesthesia Solutions
13 mi
Anesthesiology
10720 W INDIAN SCHOOL RD STE 19-1039
Phoenix, AZ 85037
  • Reassigned Medicare billing, Arizona enrollment
  • 423 clinicians in this Medicare group
NPI 1124430244 (480) 977-9559
Valley Anesthesiology Consultants, Inc.
15 mi
Anesthesiology
2262 E ROSE GARDEN LN
Phoenix, AZ 85024
  • Reassigned Medicare billing, Arizona enrollment
  • 518 clinicians in this Medicare group
NPI 1285660704 (954) 939-5000
Phoenix Neurological Institute, Inc
16 mi
Neurology
1343 N ALMA SCHOOL RD, STE 160
Chandler, AZ 85224
  • Reassigned Medicare billing, Arizona enrollment
  • 53 clinicians in this Medicare group
NPI 1336319086 (480) 776-2892
Legacy Anesthesia LLC
16 mi
Anesthesiology
9377 E BELL RD STE 201
Scottsdale, AZ 85260
  • Reassigned Medicare billing, Arizona enrollment
  • 35 clinicians in this Medicare group
NPI 1750945507 (701) 741-4879
Emergenchealth PLLC
852 mi
Anesthesiology
4100 INTERNATIONAL PLZ STE 800
Fort Worth, TX 76109
  • Reassigned Medicare billing, Texas enrollment
  • 1,612 clinicians in this Medicare group
NPI 1467970897 (972) 861-1270
Northstar Anesthesia, PA
870 mi
Anesthesiology
2000 E LAMAR BLVD, SUITE 400
Arlington, TX 76006
  • Reassigned Medicare billing, Texas enrollment
  • 1,164 clinicians in this Medicare group
NPI 1912978610 (817) 861-3994
Anesthesia Partners Of Arizona LLC
890 mi
Anesthesiology
2221 LAKESIDE BLVD STE 600
Richardson, TX 75082
  • Reassigned Medicare billing, Arizona enrollment
  • 390 clinicians in this Medicare group
NPI 1619452901 (855) 285-2455
Texas Ams PLLC
1,472 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
Anesthesia Dynamics LLC
1,802 mi
Anesthesiology
206 2ND ST E
Bradenton, FL 34208
  • Reassigned Medicare billing, Arizona enrollment
  • 15 clinicians in this Medicare group
NPI 1073001012 (888) 851-4642

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 2

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.

Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
22 services22 patients
Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810
Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

De Tar Hospital Navarro

Acute Care Hospitals · Victoria, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450147
Location506 E San Antonio StVictoria, TX 77901 · Victoria County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85004 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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.

83.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.07
Improvement Activities40

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)
Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…
98%136 patients4/55-star benchmark: 100%
Pre-operative OSA assessment
Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)
70%440 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

CLAUDE WILKERSON RN
Registered Nurse
1850 N CENTRAL AVE STE 1600
PHOENIX, AZ 85004
Maricopa County (602) 528-6996
MISS EMILY ANN BROOKER PA
Physician Assistant
1850 N CENTRAL AVE STE 1600
PHOENIX, AZ 85004
Maricopa County (602) 262-8900
JON VINCENT SKORUPSKI CRNA
Nurse Anesthetist, Certified Registered
1850 N CENTRAL AVE STE 1600
PHOENIX, AZ 85004
Maricopa County (602) 262-8900
JENNIFER MARIE COLEMAN CRNA
Nurse Anesthetist, Certified Registered
1850 N CENTRAL AVE STE 1600
PHOENIX, AZ 85004
Maricopa County (602) 262-8900
SARA OLES CRNA
Nurse Anesthetist, Certified Registered
1850 N CENTRAL AVE STE 1600
PHOENIX, AZ 85004
Maricopa County (602) 262-8900
MICHAEL ZIER CRNA
Nurse Anesthetist, Certified Registered
1850 N CENTRAL AVE STE 1600
PHOENIX, AZ 85004
Maricopa County (602) 262-8901
ASHLEY LEDGER D.O.
Anesthesiology
1850 N CENTRAL AVE STE 1600
PHOENIX, AZ 85004
Maricopa County (602) 262-8917
STEPHEN BAKER MURPHY CRNA
Nurse Anesthetist, Certified Registered
1850 N CENTRAL AVE STE 1600
PHOENIX, AZ 85004
Maricopa County (602) 262-8900

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 Rolando Diaz's NPI number?

The NPI number for Rolando Diaz is 1417325358. It was assigned to this individual provider in the NPPES registry on September 9, 2015.

Where is Rolando Diaz located?

Rolando Diaz practices at 1850 N Central Ave Ste 1600 Suite 1600, Phoenix, AZ 85004. The listed phone number is (602) 262-8900.

What is Rolando Diaz's specialty?

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

Is Rolando Diaz enrolled in Medicare?

Yes. Rolando 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 Rolando Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rolando Diaz reassigns Medicare benefits to 10 organizations: On-Call Anesthesia Surgical, LLC (Phoenix, AZ), Greater Anesthesia Solutions (Phoenix, AZ), Valley Anesthesiology Consultants, Inc. (Phoenix, AZ), Phoenix Neurological Institute, Inc (Chandler, AZ), Legacy Anesthesia LLC (Scottsdale, AZ) and 5 more organizations, listed in the Medicare section above. 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 Rolando Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rolando Diaz accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna HealthCare of Arizona, Inc, Oscar Health, Oscar Health Plan, Inc. and Oscar Insurance Company list Rolando 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 Rolando Diaz affiliated with any hospitals?

According to CMS data, Rolando Diaz is affiliated with De Tar Hospital Navarro.

When was this NPI record last updated?

The NPPES record for Rolando Diaz was last updated on December 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.