Lydia W. Ng, M.D.
Radiation Oncology Physician · Rochester, MN
Lydia W. Ng, M.D. is a radiation oncology physician with a practice address in Rochester, Minnesota, and NPI 1174879076, issued on Jul 28, 2012. Check the license (Minnesota 62447, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Lydia W. Ng
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 62447 MN
A129905 CA
251838 MA
Self-reported in NPPES; status is on the state search - Practice location
- 200 1St St SW, Rochester, MN 55905
- Phone
- (507) 284-2511
- Enumerated
- Jul 28, 2012
- Record last updated
- Aug 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170727000133); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2012
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 160 in Minnesota → Look up another NPI →
Also registered at 200 1St St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Aadland, M.D.Diagnostic Radiology Physician1780662783
- Christopher Aakre, MDInternal Medicine Physician1508151663
- Kathryn Aaro, P.T.Physical Therapist1619360666
- Danielle Aase, MDReproductive Endocrinology Physician1316524135
- Uzoamaka Abajue, PHARMDPharmacist1982335295
- Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246
Verify Lydia W. Ng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 62447Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average radiation oncology physician in 2024
112 Medicare Part D claims for 53 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Tamsulosin Hcl21 claims
- Oxybutynin Chloride12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Mayo ClinicRochester, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lydia W. Ng among 160 radiation oncology physician records in Minnesota
Lydia W. Ng, M.D. is one of 160 radiation oncology physician records with a practice address in Minnesota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 55% of them.
- NPI issued2012 · 55% of these records are older, 43% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2012 · median 2011 among the 119 with a school on file
- Record last updated2020 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Minnesota
There are 160 radiation oncology physician records in Minnesota.
All 160 in Minnesota → Every provider in Rochester → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Paul Brown, M.D.Rochester, MN 559051861479156
- Chunhee Choo, M.D.Rochester, MN 559051114905353
- Robert Foote, M.D.Rochester, MN 559051043299506
- Yolanda Garces, M.D.Rochester, MN 559051871571653
- Michael Haddock, M.D.Rochester, MN 559051518943307
- Timothy Kozelsky, M.D.Rochester, MN 559051790762128
- Nadia Laack, M.D.Rochester, MN 559051710966999
- James Leenstra, M.D.Rochester, MN 559051174593982
Common questions
What is Lydia W. Ng, M.D.'s NPI number?
Lydia W. Ng, M.D.'s National Provider Identifier (NPI) is 1174879076, issued on Jul 28, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Lydia W. Ng, M.D. located?
The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.
How can I verify Lydia W. Ng, M.D.'s license?
NPPES lists Minnesota license number 62447, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lydia W. Ng, M.D. prescribe under Medicare Part D?
In 2024, Lydia W. Ng, M.D. had 112 Medicare Part D claims for 53 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.