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ALIA SHIRZAD CRNA
NPI 1598055857
Nurse Anesthetist, Certified Registered in Sherman Oaks, CA

Active since April 07, 2011Accepts Medicare Assignment
14414 ADDISON ST UNIT 25, SHERMAN OAKS, CA 91423(310) 699-8099(888) 906-3136 Get Directions Write a Review

NPPES record last updated: January 30, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Alia Shirzad Crna NPPES

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

ALIA SHIRZAD CRNA (NPI 1598055857) is an individual nurse anesthetist, certified registered in Sherman Oaks, California, licensed in California (636750) and active in the NPI registry since April 2011. She is a graduate of Other (1991).

NPPES Registry Identity

NPI1598055857
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameALIA SHIRZADCredential: CRNA
Location Address14414 ADDISON ST UNIT 25Sherman Oaks, CA 91423-1787
Mailing Address450 N Roxbury Dr, Ste 600Beverly Hills, CA 90210-4225 · (310) 699-8099 · Fax (888) 906-3136
Phone(310) 699-8099
Fax(888) 906-3136
Sole ProprietorYes
Medical School CMSOtherGraduated 1991
Enumeration DateApril 7, 2011
Last NPPES UpdateJanuary 30, 2017
✔ NPI 1598055857 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 · 636750
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.
14414 ADDISON ST UNIT 25, Sherman Oaks, CA 91423
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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 and accepts Medicare assignment

Alia Shirzad 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 ID6406016948
PECOS Enrollment IDI20120321000189

Medicare Billing Reassignments

4

Medicare enrollment records show Alia Shirzad reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Synergy Anesthesia A Professional Nursing Corp
6.6 mi
Nurse Anesthetist, Certified Registered
8327 RESEDA BLVD
Northridge, CA 91324
  • Reassigned Medicare billing, California enrollment
  • 15 clinicians in this Medicare group
NPI 1578283305 (818) 718-8450
Precision Anesthesia Group Inc
6.8 mi
Specialist
450 N ROXBURY DRIVE, SUITE 240
Beverly Hills, CA 90210
  • Reassigned Medicare billing, California enrollment
  • 57 clinicians in this Medicare group
NPI 1205253929 (310) 651-2040
West Coast Anesthesia Partners Inc
7.5 mi
Nurse Anesthetist, Certified Registered
8750 WILSHIRE BLVD STE 150
Beverly Hills, CA 90211
  • Reassigned Medicare billing, California enrollment
  • 28 clinicians in this Medicare group
NPI 1164183695 (408) 761-5847
Apa Medical Group, Inc.
33 mi
Anesthesiology
4005 MISSION OAKS BLVD UNIT A
Camarillo, CA 93012
  • Reassigned Medicare billing, California enrollment
  • 112 clinicians in this Medicare group
NPI 1700596111 (310) 879-5203

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.

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.
28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91423 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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 Alia Shirzad's NPI number?

The NPI number for Alia Shirzad is 1598055857. It was assigned to this individual provider in the NPPES registry on April 7, 2011.

Where is Alia Shirzad located?

Alia Shirzad practices at 14414 Addison St Unit 25, Sherman Oaks, CA 91423. The listed phone number is (310) 699-8099.

What is Alia Shirzad's specialty?

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

Is Alia Shirzad enrolled in Medicare?

Yes. Alia Shirzad 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 Alia Shirzad's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alia Shirzad reassigns Medicare benefits to 4 organizations: Synergy Anesthesia A Professional Nursing Corp (Northridge, CA), Precision Anesthesia Group Inc (Beverly Hills, CA), West Coast Anesthesia Partners Inc (Beverly Hills, CA) and Apa Medical Group, Inc. (Camarillo, CA). 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 Alia Shirzad'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 Alia Shirzad was last updated on January 30, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.