Physician Profile

Karen K. Quirk, MD

Unclaimed Profile

About Dr. Quirk

Karen K. Quirk, MD is a healthcare provider in Oxnard, CA specializing in vascular surgery. Karen trained at University of California, Irvine, California College of Medicine, graduating in 2006. Karen is also listed as specializing in surgery. According to Medicare claims data, Karen cared for 692 Medicare patients across 1,514 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, strapping, unna boot, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.

Specialty

Vascular Surgery (Primary)
Vascular Surgery (Additional)

Credentials & Licensing

CA licenseA102046
NPI1639363138
NPI issued08/28/2007

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Dr. Quirk specialize in?

Dr. Quirk is a vascular surgeon in Oxnard, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.

NPI registry

Where is Dr. Quirk located?

Dr. Quirk is listed at 2841 N Ventura Rd Suite 200, Oxnard, CA 93036. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Quirk's phone number?

The number on file is (805) 983-6233. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Quirk's NPI number?

Dr. Quirk's National Provider Identifier is 1639363138. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Quirk go to medical school?

Dr. Quirk attended University of California, Irvine, California College of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Quirk been practicing?

Dr. Quirk has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Quirk do most often?

According to Medicare billing data, Dr. Quirk performs procedures including strapping, unna boot, injection of chemical agent into multiple incompetent veins of leg and chemical destruction of first incompetent vein of arm or leg using imaging guidance; reads or performs imaging such as ultrasonic guidance for blood vessel access and review by radiologist of abdominal aorta image; provides treatments such as ultrasound study of arm or leg veins with compression and maneuvers and use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Quirk confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Quirk. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.