AMMAR ZANIAL
NPI 1205483310
Nurse Anesthetist, Certified Registered in Riverside, CA

Active since August 22, 2019Accepts Medicare Assignment
85.18/100
CMS Quality Rating
4445 MAGNOLIA AVE, RIVERSIDE, CA 92501(661) 378-8577 Get Directions Write a Review

NPPES record last updated: December 3, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 3, 2019, Aug 22, 2019 (2 updates tracked since 2019).

About Ammar Zanial NPPES

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

AMMAR ZANIAL (NPI 1205483310) is an individual nurse anesthetist, certified registered in Riverside, California, licensed in California (95001220) and active in the NPI registry since August 2019. He is a graduate of Other (2019).

NPPES Registry Identity

NPI1205483310
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameAMMAR ZANIAL
Location Address4445 MAGNOLIA AVERiverside, CA 92501
Mailing Address6665 Di Carlo PlRancho Cucamonga, CA 91739-9124 · (661) 378-8577
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateAugust 22, 2019
Last NPPES UpdateDecember 3, 20192 updates tracked since enumeration
✔ NPI 1205483310 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 CA · 95001220
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.
4445 MAGNOLIA AVE, Riverside, CA 92501

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

Ammar Zanial 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 ID2860826500
PECOS Enrollment IDI20200206000652

Medicare Billing Reassignments

13

Medicare enrollment records show Ammar Zanial reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neurological Surgery
4500 BROCKTON AVE, STE 201
Riverside, CA 92501
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
10694 MAGNOLIA AVE
Riverside, CA 92505
  • Reassigned Medicare billing, California enrollment
  • 18 clinicians in this Medicare group
Anesthesiology
350 TERRACINA BLVD
Redlands, CA 92373
  • Reassigned Medicare billing, California enrollment
  • 241 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
4936 SNOWBERRY DR
Fontana, CA 92336
  • Reassigned Medicare billing, California enrollment
  • 55 clinicians in this Medicare group
Anesthesiology
1117 E DEVONSHIRE AVE
Hemet, CA 92543
  • Reassigned Medicare billing, California enrollment
  • 255 clinicians in this Medicare group
Anesthesiology
2601 E CHAPMAN AVE
Orange, CA 92869
  • Reassigned Medicare billing, California enrollment
  • 168 clinicians in this Medicare group
Anesthesiology
4270 WILBUR CT
Hemet, CA 92544
  • Reassigned Medicare billing, California enrollment
  • 24 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
1794 S BARRANCA AVE
Glendora, CA 91740
  • Reassigned Medicare billing, California enrollment
  • 43 clinicians in this Medicare group
Pain Medicine
2211 W MAGNOLIA BLVD, SUITE 270
Burbank, CA 91506
  • Reassigned Medicare billing, California enrollment
  • 28 clinicians in this Medicare group
Anesthesiology
23560 MADISON ST STE 109
Torrance, CA 90505
  • Reassigned Medicare billing, California enrollment
  • 51 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 5

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 exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
38 services36 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.
35 services35 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
26 services26 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 services20 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92501 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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.

85.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.81
Promoting Interoperability82
Improvement Activities40
Cost64.54

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.

Physician Assistant
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Family Medicine
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Hospitalist
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Radiology (Diagnostic Radiology)
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Emergency Medicine
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501

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 Ammar Zanial's NPI number?

The NPI number for Ammar Zanial is 1205483310. It was assigned to this individual provider in the NPPES registry on August 22, 2019.

Where is Ammar Zanial located?

Ammar Zanial practices at 4445 Magnolia Ave, Riverside, CA 92501. The listed phone number is (661) 378-8577.

What is Ammar Zanial's specialty?

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

Is Ammar Zanial enrolled in Medicare?

Yes. Ammar Zanial 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 Ammar Zanial's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ammar Zanial reassigns Medicare benefits to 13 organizations: Faculty Physicians And Surgeons Of Llusm (Riverside, CA), Raelle Anesthesia Inc (Riverside, CA), Darin Rentz Do PC (Redlands, CA), Jp Anesthesia Inc (Fontana, CA), Seven Star Hospital Associates Inc. (Hemet, CA) and 8 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 Ammar Zanial'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 Ammar Zanial was last updated on December 3, 2019. 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.