Harry Quon, MD
Radiation Oncology Physician · Baltimore, MD
Harry Quon, MD is a radiation oncology physician with a practice address in Baltimore, Maryland, and NPI 1184654253, issued on Jul 4, 2006. Check the license (Maryland D72602, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Harry Quon
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- D72602 MD
MD419246 PA
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Wolfe St, Baltimore, MD 21287
- Phone
- (410) 502-3877
- Enumerated
- Jul 4, 2006
- Record last updated
- Feb 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid IDs
- 0019129810001 PA
550012500 MD - Medicare enrollment
- Enrolled (PECOS I20110915000465); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 124 in Maryland → Look up another NPI →
Also registered at 600 N Wolfe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sahaja Acharya, M.D.Radiation Oncology Physician1639436603
- Stephen Achuff, M.D.Cardiovascular Disease Physician1326001033
Verify Harry Quon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D72602Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average radiation oncology physician in 2024
24 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Pentoxifylline11 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Johns Hopkins UniversityBaltimore, MD
- Johns Hopkins UniversityWashington, DC
- Johns Hopkins UniversityWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harry Quon among 124 radiation oncology physician records in Maryland
Harry Quon, MD is one of 124 radiation oncology physician records with a practice address in Maryland. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 59% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1993 · median 2006 among the 89 with a school on file
- Record last updated2013 · 65% 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 Maryland 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 Maryland
There are 124 radiation oncology physician records in Maryland.
All 124 in Maryland → Every provider in Baltimore → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Sahaja Acharya, M.D.Baltimore, MD 212871639436603
- Fariba Asrari, M.D.Baltimore, MD 212871073578837
- Theodore Deweese, M.D.Baltimore, MD 212871528003373
- Michael Goldstein, MD PHDBaltimore, MD 212871306231923
- Chengcheng GuiBaltimore, MD 212871740725902
- Sarah Hazell, M.D.Baltimore, MD 212871619364734
- Lawrence Kleinberg, M.D.Baltimore, MD 212871952342214
- Matthew LadraBaltimore, MD 212871164674214
Common questions
What is Harry Quon, MD's NPI number?
Harry Quon, MD's National Provider Identifier (NPI) is 1184654253, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harry Quon, MD located?
The NPPES record lists a practice address at 600 N Wolfe St, Baltimore, MD, 21287. Phone: (410) 502-3877. Providers update this record themselves, so call before visiting.
How can I verify Harry Quon, MD's license?
NPPES lists Maryland license number D72602, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harry Quon, MD prescribe under Medicare Part D?
In 2024, Harry Quon, MD had 24 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Harry Quon, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.