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

Dr. Ahmad Abou Abbass, MD

Individual provider Transplant Surgery Physician · NPI 1790946895

Dr. Ahmad Abou Abbass, MD is a General Surgery in Mission Viejo, California. Qualified in 2002, 24 years ago. Practices with City of Hope Medical Foundation, a 959-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Michigan.

Years since qualifying
24
Licensed in
CA, MI
In the registry since
2008
Specialties on file
3
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

26732 Crown Valley Pkwy Ste 351
Mission Viejo, CA 92691
Phone: (949) 364-1007
Fax: (949) 364-6057
Show map & directions

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

Additional practice locations (1)

  • 1000 Fivepoint Ste A, Irvine, CA 92618-2621 — (949) 671-8000

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence A152200 (CA)
Transplant Surgery Physician Taxonomy 204F00000X · Licence 4301091303 (MI)
Surgery Physician Taxonomy 208600000X · Licence 4301091303 (MI)

Record details

NPI number1790946895
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2008
Last updated in NPPESApril 9, 2026
Certification dateApril 9, 2026

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice City Of Hope Medical Foundation — 959 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare