KAREN VOSSEN SMIRNAKIS M.D.
NPI 1780783530
Internal Medicine - Nephrology in Thousand Oaks, CA

Q: What is Karen Vossen Smirnakis's NPI number?

The NPI number for Karen Vossen Smirnakis is 1780783530. It was assigned to this individual provider in the NPPES registry on September 21, 2006.

Q: What is Karen Vossen Smirnakis's specialty?

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

Active since September 21, 2006

1 AMGEN CENTER DR, MS 17-5-A, THOUSAND OAKS, CA 91320(805) 447-9374 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Karen Vossen Smirnakis M.d. NPPES

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

KAREN VOSSEN SMIRNAKIS M.D. (NPI 1780783530) is an individual nephrology provider in Thousand Oaks, California, licensed in Massachusetts (161002) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1780783530

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameKAREN VOSSEN SMIRNAKISCredential: M.D.

Location Address1 AMGEN CENTER DR, MS 17-5-AThousand Oaks, CA 91320-1730

Mailing Address1 Amgen Center Dr, Ms 27 5-aThousand Oaks, CA 91320-1730 · (805) 447-9374

Phone(805) 447-9374

Sole ProprietorNo

Enumeration DateSeptember 21, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1780783530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in MA · 161002

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.

1 AMGEN CENTER DR, Thousand Oaks, CA 91320

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Other Providers at the Same Location NPPES 16

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

DR. LEANDRO GRIMALDI MD, MPH, EMBA

Specialist

1 AMGEN CENTER DR
THOUSAND OAKS, CA 91320

Ventura County (805) 447-1000

MICHAEL S VINCENT M.D., PH.D.

Internal Medicine (Rheumatology)

1 AMGEN CENTER DR
THOUSAND OAKS, CA 91320

Ventura County (805) 447-9481

DEBORAH PALASKI RNP

Nurse Practitioner (Family)

1 AMGEN CENTER DR, OCCUPATIONAL HEALTH, BLDG. 10
THOUSAND OAKS, CA 91320

Ventura County (805) 447-8899

DR. THEODORE E OKERSON II M.D.

Internal Medicine

1 AMGEN CENTER DR, MS 38/3B
THOUSAND OAKS, CA 91320

Ventura County (805) 447-9105

DR. JOSHUA JUDAH OFMAN M.D.

Specialist

1 AMGEN CENTER DR, MAILSTOP 27-2-C
THOUSAND OAKS, CA 91320

Ventura County (805) 447-0787

STEVEN KENNETH GALSON MD, MPH

Preventive Medicine (Public Health & General Preventive Medicine)

1 AMGEN CENTER DR
THOUSAND OAKS, CA 91320

Ventura County (805) 447-4988

DR. JEFFREY WIEZOREK

Internal Medicine (Medical Oncology)

1 AMGEN CENTER DR, MS 38-2-A
THOUSAND OAKS, CA 91320

Ventura County (805) 447-5707

NILOUFER CAINGLIT RN, NP

Nurse Practitioner

1 AMGEN CENTER DR
THOUSAND OAKS, CA 91320

Ventura County (805) 447-3584

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 Karen Vossen Smirnakis's NPI number?

The NPI number for Karen Vossen Smirnakis is 1780783530. It was assigned to this individual provider in the NPPES registry on September 21, 2006.

Where is Karen Vossen Smirnakis located?

Karen Vossen Smirnakis practices at 1 Amgen Center Dr Ms 17-5-A, Thousand Oaks, CA 91320. The listed phone number is (805) 447-9374.

What is Karen Vossen Smirnakis's specialty?

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

When was this NPI record last updated?

The NPPES record for Karen Vossen Smirnakis was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.