Doctor profile · Federal record

Dr. William Rafelson, M.D.

Hematology & Oncology Physician (CMS: Medical Oncology) · Morristown, NJ

  • NPI 1992142046
  • Accepts Medicare
  • MIPS 84.6 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Madison Ave
Morristown, NJ 079606136
(973) 971-7960
fax (973) 898-1640
Mailing address
100 Madison Ave # 312
Morristown, NJ 079606136

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
October 29, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
New Jersey #25MA10781500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992142046. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
832
Distinct HCPCS
9
Medicare allowed
$105,519
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 309 138 $102
99215 Established patient office or other outpatient visit, 40-54 minutes 263 120 $150
99205 New patient office or other outpatient visit, 60-74 minutes 89 89 $190
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 40 23 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 39 34 $69
99442 Telephone medical discussion with physician, 11-20 minutes 36 29 $69
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 24 16 $86
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $140
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $179

In context: peer comparison

Among 1 peers in Morristown Hematology & Oncology Physician, average services per provider: 92. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,698
Transactions
91
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Exelixis INC. 4 $2,202.96
Aveo Pharmaceuticals, INC. 1 $910.00
AstraZeneca Pharmaceuticals Lp 3 $557.23
E.R. Squibb & Sons, L.L.C. 18 $290.96
Merck Sharp & Dohme LLC 12 $207.07
Daiichi Sankyo INC. 14 $202.12
Ferring Pharmaceuticals INC. 3 $168.81
Novartis Pharmaceuticals Corporation 11 $162.64
Pfizer INC. 8 $162.40
Medtronic, INC. 1 $136.04
Janssen Biotech, INC. 4 $97.48
Mirati Therapeutics, INC. 4 $74.12
Sun Pharmaceutical Industries INC. 3 $66.59
Astellas Pharma US INC 3 $65.79
Emd Serono, INC. 2 $47.35

By nature of payment

Food and Beverage
$2,075
Honoraria
$1,978
Consulting Fee
$1,435
Travel and Lodging
$206
Education
$4

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
647
Patients
110
Total drug cost
$2,594,844
Drug Type Claims Patients Total cost
Prednisone Generic 175 40 $933
Abiraterone Acetate Generic 173 30 $191,441
Nubeqa (Darolutamide) Brand 71 11 $947,873
Erleada (Apalutamide) Brand 41 0 $598,707
Xtandi (Enzalutamide) Brand 35 0 $461,890
Orgovyx (Relugolix) Brand 31 0 $83,475
Ondansetron Hcl Generic 29 16 $906
Dexamethasone Generic 22 13 $792
Gabapentin Generic 19 0 $141
Lenvima (Lenvatinib Mesylate) Brand 14 0 $308,493

Frequently asked questions

Auto-generated from federal data
What is Dr. William Rafelson's medical specialty?
Dr. William Rafelson practices Hematology & Oncology Physician in Morristown, NJ.
Where does Dr. William Rafelson practice?
Dr. William Rafelson practices at 100 Madison Ave, Morristown, NJ 079606136. Office phone: 9739717960.
What is Dr. William Rafelson's NPI?
Dr. William Rafelson's National Provider Identifier (NPI) is 1992142046, issued by NPPES.
Does Dr. William Rafelson accept Medicare assignment?
Yes. Dr. William Rafelson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Rafelson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.