William Eng Lee, M.D.
Hematology & Oncology Physician · Denver, CO
William Eng Lee, M.D. is a hematology & oncology physician with a practice address in Denver, Colorado, and NPI 1639173693, issued on Jun 8, 2005. Check the license (Colorado 32779, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Eng Lee
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 32779 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Jackson St, Denver, CO 80206
- Phone
- (303) 388-4461
- Enumerated
- Jun 8, 2005
- Record last updated
- May 2, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (303) 270-2174
- Medicaid ID
- 01327790 CO
- Medicare enrollment
- Enrolled (PECOS I20210917000407); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 212 in Colorado → Look up another NPI →
Also registered at 1400 Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ronya Ajeel, APN-CRNACertified Registered Nurse Anesthetist1184279044
- Akrum Al-Zubaidi, D.O.Pulmonary Disease Physician1649426222
- Rafeul Alam, MDAllergy & Immunology Physician1790730687
- Jon Allison, PACMedical Physician Assistant1609812668
- Vivianne Allsop, MDRheumatology Physician1215499603
- Mark Aloia, MDPsychiatry Physician1295842607
Verify William Eng Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 32779Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
161 Medicare Part D claims for 57 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Letrozole13 claims
- Promacta11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $795.97
8 payments; by number, the most common kind was food and beverage; the largest payer was Genmab U.S., Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Las Cruces Physician Practices, LLCLas Cruces, NM
- Phc-Las Cruces IncLas Cruces, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Eng Lee among 212 hematology & oncology physician records in Colorado
William Eng Lee, M.D. is one of 212 hematology & oncology physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 70% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1990 · median 2004 among the 150 with a school on file
- Record last updated2014 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Colorado
There are 212 hematology & oncology physician records in Colorado.
All 212 in Colorado → Every provider in Denver → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Vignesh Narayanan, M.DDenver, CO 802061073632675
- Lala Cornelius, MDDenver, CO 802051538107149
- Matthew Eadens, MDDenver, CO 802051831236116
- Jesus Hermosillo Rodriguez, MDDenver, CO 802051003133448
- Heather Hue, M.D.,M.P.HDenver, CO 802051043271588
- Brian Koester, MDDenver, CO 802051851435622
- Karen Kogel, MDDenver, CO 802051245367267
- Hemchandra Mahaseth, MDDenver, CO 802051396956181
Common questions
What is William Eng Lee, M.D.'s NPI number?
William Eng Lee, M.D.'s National Provider Identifier (NPI) is 1639173693, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Eng Lee, M.D. located?
The NPPES record lists a practice address at 1400 Jackson St, Denver, CO, 80206. Phone: (303) 388-4461. Providers update this record themselves, so call before visiting.
How can I verify William Eng Lee, M.D.'s license?
NPPES lists Colorado license number 32779, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Eng Lee, M.D. prescribe under Medicare Part D?
In 2024, William Eng Lee, M.D. had 161 Medicare Part D claims for 57 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is William Eng Lee, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.