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

Sam Abaza, MD

Individual provider MOHS-Micrographic Surgery Physician · NPI 1831148501

Sam Abaza, MD is a Dermatology in Diamond Bar, California. Qualified in 1993, 33 years ago. Works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
33
Licensed in
CA
In the registry since
2006
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

1111 Grand Ave Ste K
Diamond Bar, CA 91765-4172
Phone: (098) 604-2549
Show map & directions

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

Additional practice locations (2)

  • 175 S Harbor Blvd, Anaheim, CA 92805-3710 — (909) 860-4254
  • 631 W Avenue Q Ste B, Palmdale, CA 93551-3892 — (661) 947-9000

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence A86393 (CA)
MOHS-Micrographic Surgery Physician Taxonomy 207ND0101X · Licence A86393 (CA)

Record details

NPI number1831148501
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 9, 2006
Last updated in NPPESNovember 17, 2025
Certification dateNovember 17, 2025
Mailing address1111 Grand Ave Ste K, Diamond Bar, CA 91765-4172

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare