Daniel Joseph Mark, MD
Radiation Oncology Physician · Mount Kisco, NY
Daniel Joseph Mark, MD is a radiation oncology physician with a practice address in Mount Kisco, New York, and NPI 1902291412, issued on Apr 1, 2015. Check the license (New York 286627, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Daniel Joseph Mark
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 286627 NY
Self-reported in NPPES; status is on the state search - Practice location
- 400 E Main St, Mount Kisco, NY 10549
- Phone
- (914) 242-8115
- Enumerated
- Apr 1, 2015
- Record last updated
- Jun 20, 2026
- Medicare enrollment
- Enrolled (PECOS I20200723002862); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2015
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 449 in New York → Look up another NPI →
Also registered at 400 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nadia Abdulwahab, MDHospitalist Physician1881338515
- Neha Aggarwal, PHYSICIAN ASSISTANTPhysician Assistant1710318696
- Sameer AhmadStudent in an Organized Health Care Education/Training Program1770422172
- Ashitha AlexStudent in an Organized Health Care Education/Training Program1609715226
- Emmanuel Snr Amoateng, MDStudent in an Organized Health Care Education/Training Program1871353342
- Nandini Anandu, MDInternal Medicine Physician1023056678
Verify Daniel Joseph Mark 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 286627Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average radiation oncology physician in 2024
73 Medicare Part D claims for 42 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Tamsulosin Hcl30 claims
- Ssd11 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.
Industry payments in 2024: $1,084.74
33 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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 2 group practices
- Florida Cancer Specialists And Research Institute, LLCWest Palm Beach, FL
- Genesiscare USA OF Florida LLCWest Palm Bch, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Joseph Mark among 449 radiation oncology physician records in New York
Daniel Joseph Mark, MD is one of 449 radiation oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 75% of them.
- NPI issued2015 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2015 · median 2005 among the 331 with a school on file
- Record last updated2026 · 59% 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 York 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 York
There are 449 radiation oncology physician records in New York.
All 449 in New York → Every provider in Mount Kisco → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Aishwarya Shah, MDCortlandt Manor, NY 105671750965125
- Gurmukh Sadarangani, M.D.Hartsdale, NY 105301790826584
- Niti Dube, MDRye, NY 105801629289277
- Daniel Fass, M.D.Rye, NY 105801215049184
- Rajni Singh, D.O.Rye, NY 105801972746816
- Boris Mueller, MDSleepy Hollow, NY 105911205816451
- Borys Mychalczak, MDSleepy Hollow, NY 105911932189180
- Anca Tchelebi, M.D.Armonk, NY 105041336342112
Common questions
What is Daniel Joseph Mark, MD's NPI number?
Daniel Joseph Mark, MD's National Provider Identifier (NPI) is 1902291412, issued on Apr 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Joseph Mark, MD located?
The NPPES record lists a practice address at 400 E Main St, Mount Kisco, NY, 10549. Phone: (914) 242-8115. Providers update this record themselves, so call before visiting.
How can I verify Daniel Joseph Mark, MD's license?
NPPES lists New York license number 286627, 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 Daniel Joseph Mark, MD prescribe under Medicare Part D?
In 2024, Daniel Joseph Mark, MD had 73 Medicare Part D claims for 42 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
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.