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

Lydia W Ng, MD

Individual provider Internal Medicine Physician · NPI 1174879076

Lydia W Ng, MD is a Radiation Oncology in Rochester, Minnesota. Graduated from Harvard Medical School in 2012, 14 years ago. Practices with Mayo Clinic, a 4,796-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California, Massachusetts and Minnesota.

Years since qualifying
14
Trained at
Harvard Medical School
Licensed in
CA, MA, MN
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

200 1st St SW
Rochester, MN 55905-5000
Phone: (507) 284-2511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1100 N State St, Los Angeles, CA 90033-5000 — (323) 409-5019

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 62447 (MN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 251838 (MA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence A129905 (CA)

Record details

NPI number1174879076
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 28, 2012
Last updated in NPPESAugust 19, 2020
Certification dateAugust 19, 2020

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2012 (14 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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