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N/A
NPI 1942239694
Internal Medicine - Nephrology in Oxnard, CA

Active since July 02, 2006CLIA Certified · 2 labs
1200 W GONZALES RD, SUITE 300, OXNARD, CA 93036(805) 983-0691(805) 981-1643 Get Directions Write a Review

NPPES record last updated: November 12, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 12, 2021, Nov 26, 2020 (2 updates tracked since 2020).

About N/a NPPES

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

N/A (NPI 1942239694) is a healthcare organization registered as a nephrology in Oxnard, California and active in the NPI registry since July 2006. The organization holds 2 active CLIA laboratory certificates and lists Richard K Westerdoll, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1942239694
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameVISTA DEL MAR MEDICAL GROUP, INC
Location Address1200 W GONZALES RD, SUITE 300Oxnard, CA 93036-3072
Mailing Address1200 W Gonzales Rd, Suite 300Oxnard, CA 93036-3072 · (805) 983-0691 · Fax (805) 981-1643
Phone(805) 983-0691
Fax(805) 981-1643
Organization SubpartNo
Authorized OfficialRichard K WesterdollExecutive Director · (805) 983-0691
Enumeration DateJuly 2, 2006
Last NPPES UpdateNovember 12, 20212 updates tracked since enumeration
NPPES CertifiedNovember 12, 2021
✔ NPI 1942239694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · FNP4189
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License FNP4189 (CA)
1200 W GONZALES RD, Oxnard, CA 93036
Open in Google Maps ↗

Other Identifiers 3

OtherZZZ34679ZCA · Blue Cross
Other110039977CA · Medicare Railroad
MedicaidZZZ75566ZCA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0583438

Vista Del Mar Medical Group Inc · Oxnard, CA
Active · expires Aug 31, 2026
CLIA Number05D0583438
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorNicholas E. Bernarski, MD
Laboratory Phone(805) 983-0691
Laboratory LocationVista Del Mar Medical Group Inc1200 W Gonzales Rd #300, Oxnard, CA 93030
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D2103987

Vista Del Mar Medical Group, Inc. · Ventura, CA
Active · expires Oct 25, 2027
CLIA Number05D2103987
Laboratory TypePhysician Office
Certificate Effective DateOctober 26, 2025
Certificate Expiration DateOctober 25, 2027
Laboratory DirectorSteven G. Ledesma, MD
Laboratory Phone(805) 983-0691
Laboratory LocationVista Del Mar Medical Group, Inc.4567 Telephone Rd Ste 102, Ventura, CA 93003
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Other Providers at the Same Location NPPES 11

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

DR. KOOSHA MORTAZAVI M.D.
Internal Medicine (Nephrology)
1200 W GONZALES RD, SUITE 300
OXNARD, CA 93036
Ventura County (805) 278-9094
DR. FRANK CHIEU M.D.
Internal Medicine (Nephrology)
1200 W GONZALES RD, SUITE 300
OXNARD, CA 93036
Ventura County (805) 278-9094
MARIAM MICHELLE GYULNAZARYAN PA-C
Physician Assistant
1200 W GONZALES RD
OXNARD, CA 93036
Ventura County (805) 983-0691
DR. ARON H.R. SWERDLIN M.D.
Internal Medicine (Nephrology)
1200 W GONZALES RD, SUITE 300
OXNARD, CA 93036
Ventura County (805) 278-9094
JEIMA PATACSIL WACHOWIAK NP, PHN, RN
Nurse Practitioner
1200 W GONZALES RD, SUITE 300
OXNARD, CA 93036
Ventura County (805) 983-0691
DR. STEVEN GLENN LEDESMA M.D.
Internal Medicine (Nephrology)
1200 W GONZALES RD, SUITE 300
OXNARD, CA 93036
Ventura County (805) 278-9094
DR. NICHOLAS EDWARD BEDNARSKI M.D.
Internal Medicine (Nephrology)
1200 W GONZALES RD, SUITE 300
OXNARD, CA 93036
Ventura County (805) 278-9094
DR. TANE LIU M.D.
Internal Medicine (Nephrology)
1200 W GONZALES RD, SUITE 300
OXNARD, CA 93036
Ventura County (805) 278-9094

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 Vista Del Mar Medical Group, Inc's NPI number?

The NPI number for Vista Del Mar Medical Group, Inc is 1942239694. It was assigned to this organization in the NPPES registry on July 2, 2006.

Where is Vista Del Mar Medical Group, Inc located?

Vista Del Mar Medical Group, Inc is located at 1200 W Gonzales Rd Suite 300, Oxnard, CA 93036. The listed phone number is (805) 983-0691.

What is Vista Del Mar Medical Group, Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Does Vista Del Mar Medical Group, Inc hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Vista Del Mar Medical Group, Inc was last updated on November 12, 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.