DR. GOSTA W. IWASIUK M.D.
NPI 1114023249
Surgery in Ventura, CA

Q: What is Gosta Iwasiuk's NPI number?

The NPI number for Gosta Iwasiuk is 1114023249. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Q: What is Gosta Iwasiuk's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Gosta Iwasiuk was last updated on January 31, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since September 16, 2006PECOS Enrolled

5855 OLIVAS PARK DR, VENTURA, CA 93003(805) 667-2801(805) 667-2865 Get Directions Write a Review

NPPES record last updated: January 31, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Gosta W. Iwasiuk M.d. NPPES

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

DR. GOSTA W. IWASIUK M.D. (NPI 1114023249) is an individual surgery provider in Ventura, California, licensed in California (A22839) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114023249

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. GOSTA W. IWASIUKCredential: M.D.

Location Address5855 OLIVAS PARK DRVentura, CA 93003-7672

Mailing Address120 N Ashwood AveVentura, CA 93003-1810 · (805) 658-5800 · Fax (805) 642-1928

Phone(805) 667-2801

Fax(805) 667-2865

Sole ProprietorYes

Enumeration DateSeptember 16, 2006

Last NPPES UpdateJanuary 31, 2014

✔ NPI 1114023249 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in CA · A22839

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

5855 OLIVAS PARK DR, Ventura, CA 93003

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Other Identifiers 4

Medicare UPINA86604CA

Medicaid00A228391CA

OtherA22839CA · State License

Medicare ID-Type UnspecifiedA22839CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gosta W. Iwasiuk M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93003 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

$95.28 typical visit price

range $62.32 – $185.36

Typical copayment $23.82 (range $15.58 – $46.34)

Most-billed visit code 99203

Established Patient

$77.11 typical visit price

range $20.68 – $151.85

Typical copayment $19.27 (range $5.17 – $37.96)

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 4

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

DR. ALEXANDER JEHLAR JR. M.D.

Hospitalist

5855 OLIVAS PARK DR
VENTURA, CA 93003

Ventura County (805) 667-2801

DR. LUKASZ IWANCZYK M.D.

Internal Medicine (Geriatric Medicine)

5855 OLIVAS PARK DR, HOSPITALIST DEPARTMENT
VENTURA, CA 93003

Ventura County (805) 667-2801

ARIELLE CLUTE MD

Family Medicine

5855 OLIVAS PARK DR
VENTURA, CA 93003

Ventura County (805) 652-4194

ROLAND M OUELLETTE NP

Nurse Practitioner

5855 OLIVAS PARK DR
VENTURA, CA 93003

Ventura County (805) 667-2801

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 Gosta Iwasiuk's NPI number?

The NPI number for Gosta Iwasiuk is 1114023249. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Where is Gosta Iwasiuk located?

Gosta Iwasiuk practices at 5855 Olivas Park Dr, Ventura, CA 93003. The listed phone number is (805) 667-2801.

What is Gosta Iwasiuk's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Gosta Iwasiuk enrolled in Medicare?

Yes. Gosta Iwasiuk is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gosta Iwasiuk was last updated on January 31, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.