Etin-Osa Osa
Radiation Oncology Physician · Nashua, NH
Etin-Osa Osa is a radiation oncology physician with a practice address in Nashua, New Hampshire, and NPI 1346475407, issued on May 19, 2009. Check the license (New Hampshire 16522, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Etin-Osa Osa
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 16522 NH
Self-reported in NPPES; status is on the state search - Practice location
- 11 N Southwood Dr, Nashua, NH 03063
- Phone
- (603) 880-1590
- Enumerated
- May 19, 2009
- Record last updated
- Oct 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140911001355); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 40 in New Hampshire → Look up another NPI →
Also registered at 11 N Southwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacquelyn O'Connor, LICSWSocial Worker1689836827
Verify Etin-Osa Osa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 16522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average radiation oncology physician in 2024
79 Medicare Part D claims for 56 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Silver Sulfadiazine23 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Radiation Oncology Associates, PAManchester, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Etin-Osa Osa among 40 radiation oncology physician records in New Hampshire
Etin-Osa Osa is one of 40 radiation oncology physician records with a practice address in New Hampshire. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 70% of them.
- NPI issued2009 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated2009 · median 2005 among the 35 with a school on file
- Record last updated2014 · 53% 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 New Hampshire 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 New Hampshire
There are 40 radiation oncology physician records in New Hampshire.
All 40 in New Hampshire → Every provider in Nashua → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Kelli Pointer, M.D.,PH.D.Nashua, NH 030631104358852
- James Becht, M.D.Manchester, NH 031031336163047
- David Buchberger, MDManchester, NH 031031518594845
- Stephen Harris, M.D.Manchester, NH 031031790990356
- Brian Knab, M.D.Manchester, NH 031031427180363
- Charles Leutzinger, M.D.Manchester, NH 031031063584795
- Bryan Rowe, M.D.Manchester, NH 031031023279395
- Donald Weiss, M.D.Manchester, NH 031031639103914
Common questions
What is Etin-Osa Osa's NPI number?
Etin-Osa Osa's National Provider Identifier (NPI) is 1346475407, issued on May 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Etin-Osa Osa located?
The NPPES record lists a practice address at 11 N Southwood Dr, Nashua, NH, 03063. Phone: (603) 880-1590. Providers update this record themselves, so call before visiting.
How can I verify Etin-Osa Osa's license?
NPPES lists New Hampshire license number 16522, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Etin-Osa Osa prescribe under Medicare Part D?
In 2024, Etin-Osa Osa had 79 Medicare Part D claims for 56 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Etin-Osa Osa'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.