Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Karen D Lockwood, MD

Individual provider Internal Medicine Physician · NPI 1558330399

Dr. Karen D Lockwood, MD is an Internal Medicine in Ventura, California. Graduated from University of Oklahoma College of Medicine in 2001, 25 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California and Michigan.

Years since qualifying
25
Trained at
University of Oklahoma College of Medicine
Licensed in
CA, MI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

888 S Hill Rd
Ventura, CA 93003-8400
Phone: (888) 515-3500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 133833 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301077787 (MI)

Record details

NPI number1558330399
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 15, 2006
Last updated in NPPESNovember 29, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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