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MR. ALEXANDER FRITZ SZILAGYI CRNA
NPI 1407369671
Nurse Anesthetist, Certified Registered in Walnut Creek, CA

Active since November 09, 2017Accepts Medicare Assignment
1425 S MAIN ST, WALNUT CREEK, CA 94596(925) 295-4000 Get Directions Write a Review

NPPES record last updated: December 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 30, 2021, Nov 9, 2017 (2 updates tracked since 2017).

About Mr. Alexander Fritz Szilagyi Crna NPPES

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

MR. ALEXANDER FRITZ SZILAGYI CRNA (NPI 1407369671) is an individual nurse anesthetist, certified registered in Walnut Creek, California, licensed in California (95000751) and active in the NPI registry since November 2017. He is a graduate of Other (2017).

NPPES Registry Identity

NPI1407369671
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMR. ALEXANDER FRITZ SZILAGYICredential: CRNA
Location Address1425 S MAIN STWalnut Creek, CA 94596-5318
Mailing Address23009 Canyon Terrace DrCastro Valley, CA 94552-5492 · (925) 786-3890
Phone(925) 295-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateNovember 9, 2017
Last NPPES UpdateDecember 30, 20212 updates tracked since enumeration
✔ NPI 1407369671 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 · 95000751
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.
1425 S MAIN ST, Walnut Creek, CA 94596
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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

Mr. Alexander Fritz Szilagyi 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 ID3072873801
PECOS Enrollment IDI20180215002359

Medicare Billing Reassignments

4

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

Amsurg Oakland Anesthesia LP
13 mi
Anesthesiology
300 FRANK OGAWA PLAZA, SUITE 135
Oakland, CA 94612
  • Reassigned Medicare billing, California enrollment
  • 48 clinicians in this Medicare group
NPI 1679847727 (510) 893-1600
Permanente Medical Group Inc
17 mi
Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1235226531 (510) 307-1555
Mai Nursing Anesthesia PC
20 mi
Anesthesiology
88 SUTTER ST
San Francisco, CA 94104
  • Reassigned Medicare billing, California enrollment
  • 94 clinicians in this Medicare group
NPI 1003572769 (628) 777-7064
Coachella Valley Anesthesia A Professional Corporation
242 mi
Anesthesiology
420 34TH ST
Bakersfield, CA 93301
  • Reassigned Medicare billing, California enrollment
  • 183 clinicians in this Medicare group
NPI 1013662048 (760) 538-5898

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94596 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

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.

BROOK ANDREW WOOLLEY M.D.
Emergency Medicine
1425 S MAIN ST, EMERGENCY MEDICINE DEPARTMENT
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-5100
DR. THOMAS CRESANTE D.O.
Hospitalist
1425 S MAIN ST, KAISER PERMANENTE WALNUT CREEK ATTN: HBS DEPT
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4643
SARA WON MD
Obstetrics & Gynecology
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4040
KAISER PERMANENTE
General Acute Care Hospital
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4000
MICHELLE CABLE VU CRNA
Nurse Anesthetist, Certified Registered
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4000
DR. JESUS GIL JIMENEZ MD
Surgery (Vascular Surgery)
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4110
MR. EDWARD HAL PIECZENIK L.C.S.W.
Social Worker (Clinical)
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-5237
CARLOS A. CROMEYER MD
Psychiatry & Neurology (Neurology)
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4000

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 Alexander Szilagyi's NPI number?

The NPI number for Alexander Szilagyi is 1407369671. It was assigned to this individual provider in the NPPES registry on November 9, 2017.

Where is Alexander Szilagyi located?

Alexander Szilagyi practices at 1425 S Main St, Walnut Creek, CA 94596. The listed phone number is (925) 295-4000.

What is Alexander Szilagyi's specialty?

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

Is Alexander Szilagyi enrolled in Medicare?

Yes. Alexander Szilagyi 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 Alexander Szilagyi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Szilagyi reassigns Medicare benefits to 4 organizations: Amsurg Oakland Anesthesia LP (Oakland, CA), Permanente Medical Group Inc (Richmond, CA), Mai Nursing Anesthesia PC (San Francisco, CA) and Coachella Valley Anesthesia A Professional Corporation (Bakersfield, 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 Alexander Szilagyi'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 Alexander Szilagyi was last updated on December 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.