Gustav Y. Cederquist, MD, PHD
Radiation Oncology Physician · Uniondale, NY
Gustav Y. Cederquist, MD, PHD is a radiation oncology physician with a practice address in Uniondale, New York, and NPI 1043846983, issued on Mar 22, 2020. Check the license (New York 336912, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gustav Y. Cederquist
- Credential
- MD, PHD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 336912 NY
25MA12725100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Hempstead Tpke, Uniondale, NY 11553
- Phone
- (516) 464-4513
- Enumerated
- Mar 22, 2020
- Record last updated
- Aug 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20251001001313); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 449 in New York → Look up another NPI →
Also registered at 1101 Hempstead Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marie Jasmin Akhlaghi, MDInternal Medicine Physician1134727407
- Cassandra Durand, MS, RN, CNS, AGCNS-BGerontology Clinical Nurse Specialist1376259309
- Lauren Fanning, NPFamily Nurse Practitioner1013659879
- Jennifer Ma, MDRadiation Oncology Physician1083174049
- Ryan Sugarman, M.D.Medical Oncology Physician1477895001
Verify Gustav Y. Cederquist 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 336912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 4 group practices
- Memorial Radiation Oncology GroupUniondale, NY
- Memorial Sloan Kettering Cancer Center AT Basking Ridge New JerseyBasking Ridge, NJ
- Msk BergenMontvale, NJ
- Msk MonmouthMiddletown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gustav Y. Cederquist among 449 radiation oncology physician records in New York
Gustav Y. Cederquist, MD, PHD 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 2020, is newer than 92% of them.
- NPI issued2020 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2020 · median 2005 among the 331 with a school on file
- Record last updated2025 · 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 Uniondale → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Itzhak Goldberg, M.D.Uniondale, NY 115531073995122
- Jennifer Ma, MDUniondale, NY 115531083174049
- Richard Gewanter, MDRockville Centre, NY 115701992750582
- Edward Mullen, MDOceanside, NY 115721104824606
- Louis Potters, MDOceanside, NY 115721083614184
- Jay Bosworth, M.D.Garden City, NY 115301518987189
- Lorraine Marin, M.D.Garden City, NY 115301326118480
- Jed Pollack, M.D.Garden City, NY 115301568481307
Common questions
What is Gustav Y. Cederquist, MD, PHD's NPI number?
Gustav Y. Cederquist, MD, PHD's National Provider Identifier (NPI) is 1043846983, issued on Mar 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gustav Y. Cederquist, MD, PHD located?
The NPPES record lists a practice address at 1101 Hempstead Tpke, Uniondale, NY, 11553. Phone: (516) 464-4513. Providers update this record themselves, so call before visiting.
How can I verify Gustav Y. Cederquist, MD, PHD's license?
NPPES lists New York license number 336912, 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.
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.