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

Debbie L Marks, MD

Individual provider Emergency Medicine Physician · NPI 1447231220

Debbie L Marks, MD is an Emergency Medicine in Ukiah, California. Graduated from Loma Linda University School of Medicine in 1985, 41 years ago. Practices with Pacific Redwood Medical Group Inc, a 59-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
41
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2005
Specialties on file
2
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

275 Hospital Dr
Ukiah, CA 95482-4531
Phone: (707) 462-7900
Fax: (707) 462-7947
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G58193 (CA)
Developmental Therapist Taxonomy 222Q00000X

Record details

NPI number1447231220
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 9, 2005
Last updated in NPPESMarch 25, 2008
Mailing address6 Woodland Rd, Ste 305, Saint Helena, CA 94574-9501

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Pacific Redwood Medical Group Inc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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