Doctor profile · Federal record

Dr. Stephen Dyar, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Internal Medicine Physician · Greenville, SC

  • NPI 1497883565
  • Accepts Medicare
  • MIPS 76.7 / 100 · 2023
  • 20 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
104 Innovation Dr Ste 2000
Greenville, SC 296075253
(864) 603-6300
fax (864) 603-6160
Mailing address
P.O. Box 743294
Atlanta, GA 322243294

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
South Carolina #34992 · North Carolina #134068 · Florida #ME104643
Medicaid
SC #349929

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497883565. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,473
Distinct HCPCS
10
Medicare allowed
$182,299
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 919 476 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 133 49 $76
99204 New patient office or other outpatient visit, 45-59 minutes 100 100 $159
99213 Established patient office or other outpatient visit, 20-29 minutes 96 93 $86
99215 Established patient office or other outpatient visit, 40-54 minutes 79 52 $171
99205 New patient office or other outpatient visit, 60-74 minutes 45 45 $210
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 33 33 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 30 $168
99239 Hospital discharge day management, more than 30 minutes 26 23 $110
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $102

In context: peer comparison

Among 11 peers in this city , average services per provider: 480. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$65,408
Transactions
52
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 27 $41,057.09
AstraZeneca Pharmaceuticals LP 16 $23,635.44
Novartis Pharmaceuticals Corporation 7 $665.16
Eisai Inc. 1 $25.98
INTUITIVE SURGICAL, INC. 1 $24.03

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$57,630
Travel and Lodging
$3,830
Consulting Fee
$2,220
Food and Beverage
$1,063
Long term medical supply or device loan
$665

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,522
Patients
393
Total drug cost
$2,627,120
Drug Type Claims Patients Total cost
Anastrozole Generic 678 196 $13,388
Prednisone Generic 126 39 $575
Abiraterone Acetate Generic 112 21 $469,929
Letrozole Generic 99 30 $2,229
Ibrance (Palbociclib) Brand 61 0 $926,829
Ondansetron Hcl Generic 58 34 $849
Tamoxifen Citrate Generic 54 18 $1,353
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 52 17 $788
Levothyroxine Sodium Generic 46 13 $759
Gabapentin Generic 44 11 $719

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Dyar's medical specialty?
Dr. Stephen Dyar practices Hematology & Oncology Physician in Greenville, SC.
Where does Dr. Stephen Dyar practice?
Dr. Stephen Dyar practices at 104 Innovation Dr Ste 2000, Greenville, SC 296075253. Office phone: 8646036300.
What is Dr. Stephen Dyar's NPI?
Dr. Stephen Dyar's National Provider Identifier (NPI) is 1497883565, issued by NPPES.
Does Dr. Stephen Dyar accept Medicare assignment?
Yes. Dr. Stephen Dyar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Dyar 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); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.