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

Individual provider Surgery Physician · NPI 1932329265

Dr. Mark Laverne Janzen, MD is a Vascular Surgery in Riverside, California. Qualified in 2001, 25 years ago. Practices with Enloe Medical Center, a 331-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Ohio.

Years since qualifying
25
Licensed in
CA, OH
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.

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Practice location Address checks out

10800 Magnolia Avenue Kaiser Permanente Riverside Medical Ctr
Riverside, CA 92505
Phone: (440) 781-0931
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence A90203 (CA)
Surgery Physician Taxonomy 208600000X · Licence 089484 (OH)
Trauma Surgery Physician Taxonomy 2086S0127X · Licence 089484 (OH)

Record details

NPI number1932329265
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 27, 2007
Last updated in NPPESJanuary 27, 2017

Medicare enrollment

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

Medicare specialtyVASCULAR SURGERY
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Enloe Medical Center — 331 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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