Doctor profile · Federal record

Dr. William Lee, M.D.

Hematology & Oncology Physician (CMS: Hematology) · Medical Oncology Physician · Denver, CO

  • NPI 1639173693
  • Accepts Medicare
  • MIPS 78.3 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 Jackson St
Denver, CO 802062761
(303) 388-4461
fax (303) 270-2174
Mailing address
9451 Huron St
Thornton, CO 802605426

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
May 2, 2014
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Colorado #32779
Medicaid
CO #01327790

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639173693. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
121
Distinct HCPCS
3
Medicare allowed
$15,215
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 68 60 $117
99215 Established patient office or other outpatient visit, 40-54 minutes 36 27 $163
99213 Established patient office or other outpatient visit, 20-29 minutes 17 17 $84

In context: peer comparison

Among 15 peers in this city , average services per provider: 845. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$796
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Genmab U.S., Inc. 4 $410.90
GlaxoSmithKline, LLC. 1 $122.29
AstraZeneca Pharmaceuticals LP 1 $120.89
E.R. Squibb & Sons, L.L.C. 1 $117.69
ABBVIE INC. 1 $24.20

By nature of payment

Food and Beverage
$796

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
0
Total drug cost
$176,211
Drug Type Claims Patients Total cost
Prednisone Generic 14 0 $80
Imbruvica (Ibrutinib) Brand 11 0 $176,131

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Lee's medical specialty?
Dr. William Lee practices Hematology & Oncology Physician in Denver, CO.
Where does Dr. William Lee practice?
Dr. William Lee practices at 1400 Jackson St, Denver, CO 802062761. Office phone: 3033884461.
What is Dr. William Lee's NPI?
Dr. William Lee's National Provider Identifier (NPI) is 1639173693, issued by NPPES.
Does Dr. William Lee accept Medicare assignment?
Yes. Dr. William Lee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Lee 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.