Doctor profile · Federal record

Dr. Howard Schlossberg, M.D.

Hematology & Oncology Physician (CMS: Medical Oncology) · Clifton Park, NY

  • NPI 1023005691
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3 Crossing Blvd Ste 1
Clifton Park, NY 120654172
(518) 831-4434
fax (518) 831-4435
Mailing address
896 Riverview RD
Rexford, NY 121481318

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
March 20, 2019
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
New York #236530

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023005691. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
67,763
Distinct HCPCS
10
Medicare allowed
$1,024,446
HCPCS Description Services Patients Avg allowed
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 27,030 36 $0
J9271 Injection, pembrolizumab, 1 mg 11,200 17 $54
J1453 Injection, fosaprepitant, 1 mg 7,650 31 $0
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 6,455 12 $3
J9267 Injection, paclitaxel, 1 mg 3,652 12 $0
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,525 14 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,193 48 $0
36415 Insertion of needle into vein for collection of blood sample 1,006 460 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 896 433 $8
J1626 Injection, granisetron hydrochloride, 100 mcg 600 23 $0

In context: peer comparison

Among 3 peers in Clifton Park Hematology & Oncology Physician, average services per provider: 815. This provider delivers 83× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
910
Patients
159
Total drug cost
$3,863,062
Drug Type Claims Patients Total cost
Anastrozole Generic 149 39 $2,859
Eliquis (Apixaban) Brand 115 24 $90,059
Imbruvica (Ibrutinib) Brand 94 0 $1,284,590
Hydroxyurea Generic 79 20 $3,461
Lenalidomide Generic 66 0 $793,534
Acyclovir Generic 65 12 $570
Warfarin Sodium Generic 64 14 $761
Ibrance (Palbociclib) Brand 50 0 $775,267
Prochlorperazine Maleate Generic 50 25 $584
Ondansetron Hcl Generic 39 0 $818

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Howard Schlossberg's medical specialty?
Dr. Howard Schlossberg practices Hematology & Oncology Physician in Clifton Park, NY.
Where does Dr. Howard Schlossberg practice?
Dr. Howard Schlossberg practices at 3 Crossing Blvd Ste 1, Clifton Park, NY 120654172. Office phone: 5188314434.
What is Dr. Howard Schlossberg's NPI?
Dr. Howard Schlossberg's National Provider Identifier (NPI) is 1023005691, issued by NPPES.
Does Dr. Howard Schlossberg accept Medicare assignment?
Yes. Dr. Howard Schlossberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Howard Schlossberg commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, fosaprepitant, 1 mg (HCPCS J1453). Source: CMS Medicare Physician & Other Practitioners file.