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

Mark Jeffrey Loewen, DO

Individual provider Emergency Medicine Physician · NPI 1558625830

Mark Jeffrey Loewen, DO is an Emergency Medicine in Bakersfield, California. Graduated from Western University of Health Sciences College of Dental Med in 2012, 14 years ago. Practices with Trinity Emergency Physicians, a 47-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
14
Trained at
Western University of Health Sciences College of Dental Med
Licensed in
CA
In the registry since
2012
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

10717 Rising Sun Dr
Bakersfield, CA 93312-2924
Phone: (661) 330-1857
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 20A13155 (CA)

Record details

NPI number1558625830
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 1, 2012
Last updated in NPPESDecember 22, 2015
Mailing address1700 Mount Vernon Ave, Bakersfield, CA 93306-4018

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolWESTERN UNIVERSITY OF HEALTH SCIENCES COLLEGE OF DENTAL MED
Graduated 2012 (14 years in practice)
Group practice Trinity Emergency Physicians — 47 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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