Stephen Andrew Mihalcik, M.D., PH.D.
Radiation Oncology Physician · Boston, MA
Stephen Andrew Mihalcik, M.D., PH.D. is a radiation oncology physician with a practice address in Boston, Massachusetts, and NPI 1598031205, issued on Mar 27, 2012. Check the license (Massachusetts 261508, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephen Andrew Mihalcik
- Credential
- M.D., PH.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 261508 MA
036142451 IL
Self-reported in NPPES; status is on the state search - Practice location
- 75 Francis St, Boston, MA 02115
- Phone
- (617) 732-6310
- Enumerated
- Mar 27, 2012
- Record last updated
- Nov 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20170807000751); accepts Medicare assignment
- Medical or professional school
- Mayo Medical School, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 75 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
- Emily Aaronson, M.D.Emergency Medicine Physician1962791558
- Sarah Abbett, M.D.Anesthesiology Physician1902097736
- Christine Abbott, NPAdult Health Nurse Practitioner1851471940
- Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
- Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867
Verify Stephen Andrew Mihalcik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 261508Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average radiation oncology physician in 2024
140 Medicare Part D claims for 78 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl57 claims
- Ciprofloxacin Hcl18 claims
- Clindamycin Hcl12 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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $289.67
2 payments; by number, the most common kind was food and beverage; the largest payer was Iba Proton Therapy, Inc. 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 3 group practices
- Illinois Proton Center LLCWarrenville, IL
- Massachusetts General Physicians Organization IncBoston, MA
- The General Hospital CorporationBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Radiation Oncology Physician providers in Massachusetts
There are 241 radiation oncology physician records in Massachusetts.
Other radiation oncology physician records in Massachusetts
- Anthony Abner, MDCambridge, MA1487629127
- Matthew Abrams, M.D.Boston, MA1104189117
- Todd Adams, M.D.Medford, MA1972751493
- Jenna Adleman, MDBoston, MA1528613833
- Nima Aghdam, M.D.Boston, MA1942696752
- Ayal Aizer, MDBoston, MA1619105095
- Michele Albert, MDBoston, MA1285691972
- Brian Alexander, M.D.Boston, MA1275511149
- Aaron Allen, MDBoston, MA1396849527
- Erik Anderson, M.D. PH.D.Boston, MA1528488269
Common questions
What is Stephen Andrew Mihalcik, M.D., PH.D.'s NPI number?
Stephen Andrew Mihalcik, M.D., PH.D.'s National Provider Identifier (NPI) is 1598031205, issued on Mar 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Andrew Mihalcik, M.D., PH.D. located?
The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-6310. Providers update this record themselves, so call before visiting.
How can I verify Stephen Andrew Mihalcik, M.D., PH.D.'s license?
NPPES lists Massachusetts license number 261508, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Andrew Mihalcik, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Stephen Andrew Mihalcik, M.D., PH.D. had 140 Medicare Part D claims for 78 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Stephen Andrew Mihalcik, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. 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.