Howard Schlossberg, M.D.
Hematology & Oncology Physician · Clifton Park, NY
Howard Schlossberg, M.D. is a hematology & oncology physician with a practice address in Clifton Park, New York, and NPI 1023005691, issued on Sep 29, 2005. Check the license (New York 236530, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Howard Schlossberg
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 236530 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3 Crossing Blvd Ste 1, Clifton Park, NY 12065
- Phone
- (518) 831-4434
- Enumerated
- Sep 29, 2005
- Record last updated
- Mar 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (518) 831-4435
- Medicare enrollment
- Enrolled (PECOS I20050725000428); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 3 Crossing Blvd Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ranjit Banwait, MDHematology & Oncology Physician1306341144
- Melissa Conner, NPFamily Nurse Practitioner1528947140
- Aja Levenson, LMSWSocial Worker1417542432
- Catherine MarkeyClinical Social Worker1144806548
- Claire RalliClinical Social Worker1427487651
- Sunitha Sukumaran, MDHematology & Oncology Physician1750359055
Verify Howard Schlossberg 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 236530Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,378 Medicare Part D claims for 219 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims. 49 claims were for opioids.
Most prescribed
- Anastrozole157 claims
- Eliquis96 claims
- Acyclovir80 claims
- Lenalidomide79 claims
- Warfarin Sodium74 claims
- Dexamethasone65 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): 94.9 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).
Bills Medicare through one group practice
- New York Oncology Hematology PCClifton Park, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Howard Schlossberg among 1,163 hematology & oncology physician records in New York
Howard Schlossberg, M.D. 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
- Graduated1999 · median 2002 among the 833 with a school on file
- Record last updated2019 · 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 Clifton Park → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ranjit Banwait, MDClifton Park, NY 120651306341144
- Adriana Lisinschi, M.D.Halfmoon, NY 120651013331735
- Sunitha Sukumaran, MDClifton Park, NY 120651750359055
- Michael Willen, M.D.Clifton Park, NY 120651912994849
- Ovundah Okene, MDJohnstown, NY 120951285706168
- John Mongan, D.O.Malta, NY 120201134235765
- Inder Lal, MDAmsterdam, NY 120101124227889
- Deborah Sculco, MDAmsterdam, NY 120101013910660
Common questions
What is Howard Schlossberg, M.D.'s NPI number?
Howard Schlossberg, M.D.'s National Provider Identifier (NPI) is 1023005691, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Howard Schlossberg, M.D. located?
The NPPES record lists a practice address at 3 Crossing Blvd Ste 1, Clifton Park, NY, 12065. Phone: (518) 831-4434. Providers update this record themselves, so call before visiting.
How can I verify Howard Schlossberg, M.D.'s license?
NPPES lists New York license number 236530, 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 Howard Schlossberg, M.D. prescribe under Medicare Part D?
In 2024, Howard Schlossberg, M.D. had 1,378 Medicare Part D claims for 219 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Howard Schlossberg, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.9 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.