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

Mark I Williams, MD

Individual provider Diagnostic Radiology Physician · NPI 1235284225

Mark I Williams, MD is a Diagnostic Radiology in Bakersfield, California. Graduated from University of California, San Francisco School of Medicine in 1984, 42 years ago. Practices with Kern Radiology Medical Group Inc, a 91-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
42
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2007
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

1817 Truxtun Ave Truxtun Radiology Medical Group Lp
Bakersfield, CA 93301
Phone: (661) 325-6800
Fax: (661) 325-4734
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence G60262 (CA)

Record details

NPI number1235284225
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 23, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1817 Truxtun Ave, Truxtun Radiology Medical Group Lp, Bakersfield, CA 93301

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Kern Radiology Medical Group Inc — 91 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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