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

Dr. Melissa Ling Mao, MD

Individual provider Surgical Oncology Physician · NPI 1245594498

Dr. Melissa Ling Mao, MD is a Surgical Oncology in Orange, California. Graduated from Temple University School of Medicine in 2012, 14 years ago. Practices with University Surgeons of Orange a Medical Group, a 120-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Pennsylvania.

Years since qualifying
14
Trained at
Temple University School of Medicine
Licensed in
CA, PA
In the registry since
2012
Specialties on file
3
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

101 The City Dr S Bldg 23
Orange, CA 92868-3201
Phone: (714) 456-8000
Show map & directions

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

Additional practice locations (1)

  • 8815 Germantown Ave Ste 22, Philadelphia, PA 19118-2722 — (215) 248-8887

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence A167735 (CA)
Surgery Physician Taxonomy 208600000X · Licence MD465525 (PA)
Surgery Physician Taxonomy 208600000X · Licence A167735 (CA)

Record details

NPI number1245594498
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 2, 2012
Last updated in NPPESJune 2, 2025
Certification dateJune 2, 2025

Medicare enrollment

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

Medicare specialtySURGICAL ONCOLOGY
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice University Surgeons Of Orange A Medical Group — 120 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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