John J. Loscalzo, MD
Hematology & Oncology Physician · Bay Shore, NY
John J. Loscalzo, MD is a hematology & oncology physician with a practice address in Bay Shore, New York, and NPI 1699758482, issued on Nov 25, 2005. Check the license (New York 189705, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John J. Loscalzo
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 189705 NY
Self-reported in NPPES; status is on the state search - Practice location
- 24 E Main St, Bay Shore, NY 11706
- Phone
- (631) 666-6752
- Enumerated
- Nov 25, 2005
- Record last updated
- Dec 9, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (631) 666-0684
- Medicaid ID
- 01888302 NY
- Medicare enrollment
- Enrolled (PECOS I20100821000006); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1991
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 24 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Anderson, PHARMDAmbulatory Care Pharmacist1487028114
- Kenneth Gold, MDHematology & Oncology Physician1952384596
- Mark Lipshutz, MDHematology & Oncology Physician1750364543
- Gaurav Mandal, MDEndocrinology, Diabetes & Metabolism Physician1770103459
- Mary Puccio, MDHematology & Oncology Physician1346223138
Verify John J. Loscalzo 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 189705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
620 Medicare Part D claims for 142 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims. 60 claims were for opioids.
Most prescribed
- Anastrozole83 claims
- Xarelto60 claims
- Eliquis58 claims
- Gabapentin37 claims
- Xtandi32 claims
- Prednisone29 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: $693.54
30 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Chs Physician Partners PCBay Shore, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John J. Loscalzo among 1,163 hematology & oncology physician records in New York
John J. Loscalzo, MD is one of 1,163 hematology & 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1991 · median 2002 among the 833 with a school on file
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New York
There are 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in Bay Shore → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ashley D'Silva, M.D.Bay Shore, NY 117061326332180
- Kathy Deng, M.D.Bay Shore, NY 117061548571359
- Kenneth Gold, MDBay Shore, NY 117061952384596
- Mark Lipshutz, MDBay Shore, NY 117061750364543
- Sumreen Majeed, M.D.Bay Shore, NY 117061437307261
- Kavya Pinto-Chengot, MDBay Shore, NY 117061770895468
- Shaina Placide, PA-CBay Shore, NY 117061346753779
- Mary Puccio, MDBay Shore, NY 117061346223138
Common questions
What is John J. Loscalzo, MD's NPI number?
John J. Loscalzo, MD's National Provider Identifier (NPI) is 1699758482, issued on Nov 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John J. Loscalzo, MD located?
The NPPES record lists a practice address at 24 E Main St, Bay Shore, NY, 11706. Phone: (631) 666-6752. Providers update this record themselves, so call before visiting.
How can I verify John J. Loscalzo, MD's license?
NPPES lists New York license number 189705, 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 John J. Loscalzo, MD prescribe under Medicare Part D?
In 2024, John J. Loscalzo, MD had 620 Medicare Part D claims for 142 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.