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

Dr. Catherine C Coombs, MD

Individual provider Hematology & Oncology Physician · NPI 1417273517

Dr. Catherine C Coombs, MD is an Internal Medicine in Orange, California. Graduated from University of Cincinnati College of Medicine in 2010, 16 years ago. Practices with Uc Regents, a 306-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and North Carolina.

Years since qualifying
16
Trained at
University of Cincinnati College of Medicine
Licensed in
CA, NC
In the registry since
2010
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

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 456-8100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence C181169 (CA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 2016-01232 (NC)

Record details

NPI number1417273517
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2010
Last updated in NPPESNovember 4, 2022
Certification dateNovember 4, 2022
Mailing address200 S Manchester Ave Ste 300, Orange, CA 92868-3219

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Uc Regents — 306 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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