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

Dr. Karen Simon, MD

Individual provider Gastroenterology Physician · NPI 1548384167

Dr. Karen Simon, MD is a Gastroenterology in Oxnard, California. Graduated from Northwestern University Feinberg Medical School in 2001, 25 years ago. Practices with Genesis Healthcare Partners PC, a 220-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
25
Trained at
Northwestern University Feinberg Medical School
Licensed in
CA
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2241 Wankel Way Ste A
Oxnard, CA 93030
Phone: (805) 983-0521
Fax: (805) 485-1484
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A81831 (CA)
Specialist Taxonomy 174400000X · Licence A81831 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A81831 (CA)

Record details

NPI number1548384167
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 19, 2007
Last updated in NPPESDecember 9, 2015
Mailing addressP.O. Box 50640, Ventura County Gastroenterology, Oxnard, CA 93031

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2001 (25 years in practice)
Group practice Genesis Healthcare Partners Pc — 220 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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