Doctor profile · Federal record

Dr. Stephen Williams, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Roseburg, OR

  • NPI 1437370947
  • Accepts Medicare
  • MIPS 96.4 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2880 Nw Stewart Parkway, Suite 300
Roseburg, OR 974711201
(541) 229-4070
fax (541) 229-4074
Mailing address
2880 Nw Stewart Pkwy, Suite 300
Roseburg, OR 974711202

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
February 20, 2017
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Oregon #MD27562
Medicaid
OR #272439

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437370947. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
81,171
Distinct HCPCS
10
Medicare allowed
$1,697,724
HCPCS Description Services Patients Avg allowed
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 20,401 20 $0
J9271 Injection, pembrolizumab, 1 mg 20,000 19 $54
J1453 Injection, fosaprepitant, 1 mg 18,900 29 $0
J0897 Injection, denosumab, 1 mg 12,240 52 $23
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,358 38 $0
J2469 Injection, palonosetron hcl, 25 mcg 1,960 35 $1
Q5122 Injection, pegfilgrastim-apgf (nyvepria), biosimilar, 0.5 mg 960 21 $115
96413 Administration of chemotherapy into vein, 1 hour or less 499 64 $127
J2405 Injection, ondansetron hydrochloride, per 1 mg 488 14 $0
J9045 Injection, carboplatin, 50 mg 424 15 $2

In context: peer comparison

Among 1 peers in Roseburg Hematology & Oncology Physician, average services per provider: 2,898. This provider delivers 28× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$70
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 2 $37.07
Gilead Sciences, INC. 1 $17.04
Spectrum Pharmaceuticals INC. 1 $15.77

By nature of payment

Food and Beverage
$70

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
947
Patients
269
Total drug cost
$1,050,741
Drug Type Claims Patients Total cost
Anastrozole Generic 267 74 $7,309
Letrozole Generic 117 26 $2,841
Ondansetron Hcl Generic 73 54 $1,853
Prednisone Generic 61 18 $550
Calquence (Acalabrutinib Maleate) Brand 59 0 $817,837
Hydroxyurea Generic 58 16 $2,007
Dexamethasone Generic 54 29 $868
Oxycodone Hcl Generic 52 22 $1,366
Abiraterone Acetate Generic 42 0 $198,492
Olanzapine Generic 36 15 $435

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Williams's medical specialty?
Dr. Stephen Williams practices Hematology & Oncology Physician in Roseburg, OR.
Where does Dr. Stephen Williams practice?
Dr. Stephen Williams practices at 2880 Nw Stewart Parkway, Roseburg, OR 974711201. Office phone: 5412294070.
What is Dr. Stephen Williams's NPI?
Dr. Stephen Williams's National Provider Identifier (NPI) is 1437370947, issued by NPPES.
Does Dr. Stephen Williams accept Medicare assignment?
Yes. Dr. Stephen Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Williams 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.