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ALEXANDRA MAY BOCK CRNA
NPI 1336761519
Nurse Anesthetist, Certified Registered in Riverside, CA

Active since May 11, 2020Accepts Medicare Assignment
85.18/100
CMS Quality Rating
4445 MAGNOLIA AVE, RIVERSIDE, CA 92501(951) 788-3000 Get Directions Write a Review

NPPES record last updated: May 11, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Alexandra May Bock Crna NPPES

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

ALEXANDRA MAY BOCK CRNA (NPI 1336761519) is an individual nurse anesthetist, certified registered in Riverside, California, licensed in California (95001317) and active in the NPI registry since May 2020. She is a graduate of Loma Linda University School Of Medicine (2020).

NPPES Registry Identity

NPI1336761519
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameALEXANDRA MAY BOCKCredential: CRNA
Location Address4445 MAGNOLIA AVERiverside, CA 92501-4199
Mailing Address3000 Sunnywood DrFullerton, CA 92835-1855 · (714) 469-8759
Phone(951) 788-3000
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2020
Enumeration DateMay 11, 2020
NPPES CertifiedMay 11, 2020
✔ NPI 1336761519 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 · 95001317
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
Open in Google Maps ↗

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

Alexandra May Bock 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 ID7911320379
PECOS Enrollment IDI20200710002747

Medicare Billing Reassignments

8

Medicare enrollment records show Alexandra Bock reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Faculty Physicians And Surgeons Of Llusm
0.2 mi
Neurological Surgery
4500 BROCKTON AVE, STE 201
Riverside, CA 92501
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
NPI 1518401546 (909) 558-6388
Darin Rentz Do PC
11 mi
Anesthesiology
350 TERRACINA BLVD
Redlands, CA 92373
  • Reassigned Medicare billing, California enrollment
  • 241 clinicians in this Medicare group
NPI 1689321747 (877) 565-6701
San Gabriel Anesthesia Associates, PC
30 mi
Nurse Anesthetist, Certified Registered
1403 N TUSTIN AVE STE 100
Santa Ana, CA 92705
  • Reassigned Medicare billing, California enrollment
  • 40 clinicians in this Medicare group
NPI 1538424908 (714) 633-1338
Rieschick Anesthesia Services Inc
39 mi
Nurse Anesthetist, Certified Registered
31627 2ND AVE
Laguna Beach, CA 92651
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
NPI 1962174698 (785) 410-7284
Mission Nursing Anesthesia, Inc
58 mi
Nurse Anesthetist, Certified Registered
35800 BOB HOPE DR, SUITE 100
Rancho Mirage, CA 92270
  • Reassigned Medicare billing, California enrollment
  • 96 clinicians in this Medicare group
NPI 1932571551 (615) 620-2320
Golden State Providers, A Medical Corporation
88 mi
Multi-Specialty
865 PATRIOT DR STE 203
Moorpark, CA 93021
  • Reassigned Medicare billing, California enrollment
  • 44 clinicians in this Medicare group
NPI 1366859449 (805) 370-4684
Sda Services Of Ca
654 mi
Anesthesiology
800 E WASHINGTON BLVD
Crescent City, CA 95531
  • Reassigned Medicare billing, California enrollment
  • 134 clinicians in this Medicare group
NPI 1417428970 (707) 464-8511
Sweet Dreams Anesthesia Inc
1,826 mi
Nurse Anesthetist, Certified Registered
2108 E 3RD ST
Chattanooga, TN 37404
  • Reassigned Medicare billing, California enrollment
  • 44 clinicians in this Medicare group
NPI 1508133497 (423) 267-0466

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 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.
55 services49 patients
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.
21 services21 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.

MR. DAVID W LEVINE PA-C
Physician Assistant
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 788-3381
STEVEN GREGORY PARKIN MD
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 788-3000
JAGMEET SINGH ARORA
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 966-8398
ASHFI HOQUE
Family Medicine
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 495-9994
ALINA S POPA MD
Hospitalist
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 788-3636
RIVERSIDE RADIOLOGY MEDICAL GROUP, INC
Radiology (Diagnostic Radiology)
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 788-3400
RUSHIL ANIL PATEL
Emergency Medicine
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 788-3000
YASMINE KASIRI DO
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 990-5799

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 Alexandra Bock's NPI number?

The NPI number for Alexandra Bock is 1336761519. It was assigned to this individual provider in the NPPES registry on May 11, 2020.

Where is Alexandra Bock located?

Alexandra Bock practices at 4445 Magnolia Ave, Riverside, CA 92501. The listed phone number is (951) 788-3000.

What is Alexandra Bock's specialty?

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

Is Alexandra Bock enrolled in Medicare?

Yes. Alexandra Bock 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 Alexandra Bock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Bock reassigns Medicare benefits to 8 organizations: Faculty Physicians And Surgeons Of Llusm (Riverside, CA), Darin Rentz Do PC (Redlands, CA), San Gabriel Anesthesia Associates, PC (Santa Ana, CA), Rieschick Anesthesia Services Inc (Laguna Beach, CA), Mission Nursing Anesthesia, Inc (Rancho Mirage, CA) and 3 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 Alexandra Bock'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 Alexandra Bock was last updated on May 11, 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.