JOEL DIAZ CRNA
NPI 1447376678
Nurse Anesthetist, Certified Registered in Woodland Hills, CA

Q: What is Joel Diaz's NPI number?

The NPI number for Joel Diaz is 1447376678. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Q: What is Joel Diaz's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Joel Diaz was last updated on September 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since March 21, 2007

55/100

CMS Quality Rating

5601 DE SOTO AVE, WOODLAND HILLS, CA 91367(818) 719-2000 Get Directions Write a Review

NPPES record last updated: September 23, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Joel Diaz Crna NPPES

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

JOEL DIAZ CRNA (NPI 1447376678) is an individual nurse anesthetist, certified registered in Woodland Hills, California, licensed in California (NA3307) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1447376678

Entity TypeIndividualMale

Primary Taxonomy367500000X

Provider Legal NameJOEL DIAZCredential: CRNA

Location Address5601 DE SOTO AVEWoodland Hills, CA 91367-6701

Mailing Address5601 De Soto AveWoodland Hills, CA 91367-6701 · (818) 719-2000

Phone(818) 719-2000

Sole ProprietorNo

Enumeration DateMarch 21, 2007

Last NPPES UpdateSeptember 23, 2008

✔ NPI 1447376678 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 CA · NA3307

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.

5601 DE SOTO AVE, Woodland Hills, CA 91367

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joel Diaz Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Joel Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Crnala, Inc

19 mi

Nurse Anesthetist, Certified Registered

1500 S CENTRAL AVE STE 126
Glendale, CA 91204

Reassigned Medicare billing, California enrollment

NPI 1760744221 (818) 247-4894

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.

Anesthesia for retinal surgery 00145

Anesthesia for retinal surgery involves using medications to numb your eye and surrounding area. This prevents pain and discomfort during the procedure. You may also receive medication to help you relax. The anesthesia can be local (just your eye) or general (you're asleep).

130 services112 patients

Anesthesia for lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

111 services104 patients

Anesthesia for other procedure on eye 00140

Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.

39 services36 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

20 services19 patients

Anesthesia for nerve block and injection procedure, prone position 01992

Anesthesia for nerve block and injection is a procedure to numb specific areas, reducing pain. You'll be positioned face-down (prone) for optimal access to the treatment area. The anesthetic is injected near the nerve, blocking pain signals to the brain.

18 services17 patients

Anesthesia for procedure on eyelid 00103

Anesthesia for an eyelid procedure helps ensure comfort and painlessness during the operation. It's typically a local anesthetic, applied to numb your eyelid and surrounding area. You'll likely be awake but won't feel any discomfort. It's a safe, routine part of many eye procedures.

11 services11 patients

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.

55/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

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.

TIMOTHY STARR MPT

Physical Therapist (Orthopedic)

5601 DE SOTO AVE, PHYSICAL THERAPY DEPARTMENT
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2930

MS. BONNIE JILL WEISSMAN P.T.A.

Technician, Other

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-3958

MANO SHANAA M.D.

Anesthesiology

5601 DE SOTO AVE, DEPT OF ANESTHESIA
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2261

DONNA M KARY CRNA

Nurse Anesthetist, Certified Registered

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2000

PAULA MONAGHAN CNM

Advanced Practice Midwife

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2000

DEAN T. NORA MD

Surgery (Surgical Oncology)

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2000

MARGARET M. STONE MD

Pediatrics (Pediatric Infectious Diseases)

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2000

KARIN L NIELSEN PA

Physician Assistant

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2000

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 Joel Diaz's NPI number?

The NPI number for Joel Diaz is 1447376678. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Where is Joel Diaz located?

Joel Diaz practices at 5601 De Soto Ave, Woodland Hills, CA 91367. The listed phone number is (818) 719-2000.

What is Joel Diaz's specialty?

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

Is Joel Diaz enrolled in Medicare?

Yes. Joel Diaz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joel Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joel Diaz reassigns Medicare benefits to Crnala, Inc (Glendale, CA). The 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 Joel Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joel Diaz was last updated on September 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.