Borys R. Mychalczak, MD
Radiation Oncology Physician · Sleepy Hollow, NY
Borys R. Mychalczak, MD is a radiation oncology physician with a practice address in Sleepy Hollow, New York, and NPI 1932189180, issued on Jan 21, 2006. Check the license (New York 167634, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Borys R. Mychalczak
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 167634 NY
Self-reported in NPPES; status is on the state search - Practice location
- 777 N Broadway, Sleepy Hollow, NY 10591
- Phone
- (212) 639-2000
- Enumerated
- Jan 21, 2006
- Record last updated
- Apr 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101220000076); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 777 N Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anjali Ankolekar, MDObstetrics & Gynecology Physician1083701916
- Toni Aurigemma, FNPFamily Nurse Practitioner1821133844
- Louis Buzzeo, MDNephrology Physician1164499448
- Philip Caron, MDMedical Oncology Physician1033199286
- Gloria Chia, MDMedical Oncology Physician1851371009
- Andrea Espinosa, RPA-CSurgical Physician Assistant1851493464
Verify Borys R. Mychalczak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 167634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average radiation oncology physician in 2024
499 Medicare Part D claims for 145 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Tamsulosin Hcl263 claims
- Orgovyx60 claims
- Oxybutynin Chloride Er47 claims
- Ciprofloxacin Hcl39 claims
- Bicalutamide29 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): 96 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).
Bills Medicare through 2 group practices
- Memorial Radiation Oncology GroupUniondale, NY
- Msk BergenMontvale, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Radiation Oncology Physician providers in New York
There are 449 radiation oncology physician records in New York.
Other radiation oncology physician records in New York
- Lamiaa Abdallah, M.D.New York, NY1770105728
- Marc Adams, M.D.Staten Island, NY1275519142
- Khaled Adil, MDAlbany, NY1669944237
- Muhammad Afridi, MDOgdensburg, NY1699915116
- Vishesh Agrawal, M.D.New Hyde Park, NY1043669690
- Jalal Ahmed, MD,PHDNew York, NY1811341944
- Charles Albrecht, M.D.Clifton Springs, NY1659368488
- Ryan Alden, MDSaratoga Springs, NY1689298994
- Kaled Alektiar, MDNew York, NY1144200791
- Tracy Alpert, M.D.East Syracuse, NY1366421737
Common questions
What is Borys R. Mychalczak, MD's NPI number?
Borys R. Mychalczak, MD's National Provider Identifier (NPI) is 1932189180, issued on Jan 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Borys R. Mychalczak, MD located?
The NPPES record lists a practice address at 777 N Broadway, Sleepy Hollow, NY, 10591. Phone: (212) 639-2000. Providers update this record themselves, so call before visiting.
How can I verify Borys R. Mychalczak, MD's license?
NPPES lists New York license number 167634, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Borys R. Mychalczak, MD prescribe under Medicare Part D?
In 2024, Borys R. Mychalczak, MD had 499 Medicare Part D claims for 145 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Borys R. Mychalczak, MD's MIPS final score?
The 2023 MIPS final score is 96 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.