Steven Oh, M.D.
Radiation Oncology Physician · Stamford, CT
Steven Oh, M.D. is a radiation oncology physician with a practice address in Stamford, Connecticut, and NPI 1891084380, issued on Apr 5, 2011. Check the license (Connecticut 57298, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Steven Oh
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 57298 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital Plz, Stamford, CT 06902
- Phone
- (203) 276-7886
- Enumerated
- Apr 5, 2011
- Record last updated
- May 10, 2022
- Fax
- (203) 276-7858
- Medicare enrollment
- Enrolled (PECOS I20180221003077); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 82 in Connecticut → Look up another NPI →
Also registered at 1 Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seun Adeyemi-Jones, M.D.Internal Medicine Physician1811335821
- Mathias Aihiokhai, PA-CPhysician Assistant1003270497
- Kiana AkhundzadehStudent in an Organized Health Care Education/Training Program1558115584
- Rachael AldermanStudent in an Organized Health Care Education/Training Program1912891318
- Kelsey AllenMedical Physician Assistant1326774282
- Micah Ambrose, DOEmergency Medicine Physician1962999482
Verify Steven Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 57298Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average radiation oncology physician in 2024
52 Medicare Part D claims for 22 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Oxybutynin Chloride19 claims
- Tamsulosin Hcl14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,444.52
2 payments; by number, the most common kind was consulting fee; the largest payer was GlaxoSmithKline, LLC. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Stamford Health Medical Group IncStamford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Oh among 82 radiation oncology physician records in Connecticut
Steven Oh, M.D. is one of 82 radiation oncology physician records with a practice address in Connecticut. 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 2011, is newer than 61% of them.
- NPI issued2011 · 61% of these records are older, 34% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2011 · median 2007 among the 64 with a school on file
- Record last updated2022 · 66% 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 Connecticut 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 Connecticut
There are 82 radiation oncology physician records in Connecticut.
All 82 in Connecticut → Every provider in Stamford → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Frank Masino, M.D.Stamford, CT 069021861579922
- Andrew Smith, M.D.Stamford, CT 069021861924938
- Pradip Pathare, MDNorwalk, CT 068511780657510
- Christine Chin, M.D.Norwalk, CT 068501649690629
- Mark HwangGreenwich, CT 068301487049037
- Ashwatha Narayana, MDGreenwich, CT 068301639121353
- Seema Sanghavi, MDDanbury, CT 068101992778732
- John Spera, M.D.Danbury, CT 068101306831813
Common questions
What is Steven Oh, M.D.'s NPI number?
Steven Oh, M.D.'s National Provider Identifier (NPI) is 1891084380, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Steven Oh, M.D. located?
The NPPES record lists a practice address at 1 Hospital Plz, Stamford, CT, 06902. Phone: (203) 276-7886. Providers update this record themselves, so call before visiting.
How can I verify Steven Oh, M.D.'s license?
NPPES lists Connecticut license number 57298, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Oh, M.D. prescribe under Medicare Part D?
In 2024, Steven Oh, M.D. had 52 Medicare Part D claims for 22 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Steven Oh, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.