Doctor profile · Federal record

Dr. Stephen Grabelsky, MD

Medical Oncology Physician (CMS: Hematology/Oncology) · Specialist · Delray Beach, FL

  • NPI 1366490781
  • Accepts Medicare
  • MIPS 69.1 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6282 Linton Blvd
Delray Beach, FL 334846416
(561) 495-8307
fax (561) 495-6422

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 7, 2022
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State licenses (2)
Florida #65576 · Florida #ME65576

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366490781. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,137
Distinct HCPCS
10
Medicare allowed
$218,451
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 644 237 $101
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 458 164 $82
99213 Established patient office or other outpatient visit, 20-29 minutes 245 174 $69
99214 Established patient office or other outpatient visit, 30-39 minutes 218 101 $102
99215 Established patient office or other outpatient visit, 40-54 minutes 181 123 $148
99213 Established patient office or other outpatient visit, 20-29 minutes 150 99 $69
99205 New patient office or other outpatient visit, 60-74 minutes 70 70 $190
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 57 56 $137
99215 Established patient office or other outpatient visit, 40-54 minutes 47 39 $149
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 44 44 $178

In context: peer comparison

Among 7 peers in this city , average services per provider: 168. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$366
Transactions
18
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 5 $93.69
E.R. Squibb & Sons, L.L.C. 3 $58.44
ABBVIE INC. 2 $47.86
Celgene Corporation 2 $39.85
Kite Pharma, Inc. 1 $24.70
Mirati Therapeutics, Inc. 1 $22.83
Merck Sharp & Dohme LLC 1 $21.14
GlaxoSmithKline, LLC. 1 $19.53
BeiGene USA, Inc. 1 $19.40
Takeda Pharmaceuticals U.S.A., Inc. 1 $18.18

By nature of payment

Food and Beverage
$366

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
423
Patients
77
Total drug cost
$1,057,915
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 43 0 $35,720
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 39 17 $1,106
Gabapentin Generic 39 11 $557
Revlimid (Lenalidomide) Brand 32 0 $602,685
Tramadol Hcl Generic 29 22 $147
Hydroxyurea Generic 28 0 $1,673
Levothyroxine Sodium Generic 27 0 $486
Alprazolam Generic 26 11 $271
Creon (Lipase/Protease/Amylase) Brand 25 0 $56,588
Ondansetron Hcl Generic 25 16 $321

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Grabelsky's medical specialty?
Dr. Stephen Grabelsky practices Medical Oncology Physician in Delray Beach, FL.
Where does Dr. Stephen Grabelsky practice?
Dr. Stephen Grabelsky practices at 6282 Linton Blvd, Delray Beach, FL 334846416. Office phone: 5614958307.
What is Dr. Stephen Grabelsky's NPI?
Dr. Stephen Grabelsky's National Provider Identifier (NPI) is 1366490781, issued by NPPES.
Does Dr. Stephen Grabelsky accept Medicare assignment?
Yes. Dr. Stephen Grabelsky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Grabelsky commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.