SYDNEY OLIVER CRNA
NPI 1932935194
Nurse Anesthetist, Certified Registered in Wausau, WI

Q: What is Sydney Oliver's NPI number?

The NPI number for Sydney Oliver is 1932935194. It was assigned to this individual provider in the NPPES registry on September 12, 2024.

Q: What is Sydney Oliver'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 Sydney Oliver was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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 September 12, 2024PECOS EnrolledAccepts Medicare Assignment

425 PINE RIDGE BLVD STE 211, WAUSAU, WI 54401(715) 845-5505 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 29, 2026, Sep 12, 2024 (2 updates tracked since 2024).

On this page

About Sydney Oliver Crna NPPES

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

SYDNEY OLIVER CRNA (NPI 1932935194) is an individual nurse anesthetist, certified registered in Wausau, Wisconsin, licensed in Wisconsin (161101) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS, is affiliated with Aspirus Wausau Hospital, and is a graduate of Other (2026).

NPPES Registry Identity

NPI1932935194

Entity TypeIndividualFemale

Primary Taxonomy367500000X

Provider Legal NameSYDNEY OLIVERCredential: CRNA

Location Address425 PINE RIDGE BLVD STE 211Wausau, WI 54401-4123

Mailing Address800 Algoma BlvdOshkosh, WI 54901-3551 · (920) 424-1234

Phone(715) 845-5505

Sole ProprietorNo

Medical School CMSOtherGraduated 2026

Enumeration DateSeptember 12, 2024

Last NPPES UpdateMay 29, 20262 updates tracked since enumeration

NPPES CertifiedMay 29, 2026

✔ NPI 1932935194 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 WI · 161101

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.

425 PINE RIDGE BLVD STE 211, Wausau, WI 54401

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Sydney Oliver 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 ID3274006275

PECOS Enrollment IDI20260622002248

Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

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

Central Wisconsin Anesthesiology

Same address

Anesthesiology

425 PINE RIDGE BOULEVARD, SUITE 211
Wausau, WI 54401

Reassigned Medicare billing, Wisconsin enrollment
37 clinicians in this Medicare group

NPI 1518999648 (715) 845-5505

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Aspirus Wausau Hospital

Acute Care Hospitals · Wausau, WI

4/5 CMS rating

OwnershipProprietary

CMS Certification Number520030

Location333 Pine Ridge BlvdWausau, WI 54401 · Marathon County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54401 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

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 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AARON ZONDLO

Nurse Anesthetist, Certified Registered