Lillian Klancar, M.D.
Hematology & Oncology Physician · Lone Tree, CO
Lillian Klancar, M.D. is a hematology & oncology physician with a practice address in Lone Tree, Colorado, and NPI 1598798761, issued on Jul 9, 2006. Check the license (Colorado 37812, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lillian Klancar
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 37812 CO
Self-reported in NPPES; status is on the state search - Practice location
- 10240 Park Meadows Dr, Lone Tree, CO 80124
- Phone
- (303) 338-4545
- Enumerated
- Jul 9, 2006
- Record last updated
- Jun 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 68021887 CO
- Medicare enrollment
- Enrolled (PECOS I20040216001156); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1996
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 212 in Colorado → Look up another NPI →
Also registered at 10240 Park Meadows Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Adams, NPAcute Care Nurse Practitioner1770711749
- Angela Allen, AU.DAudiologist1649307653
- Sara Alley, AU.DAudiologist1720104342
- Scott Andersen, MDDiagnostic Radiology Physician1851376347
- Mei Ling Anderson, RNRegistered Nurse1043194558
- Bradley Andrews, MDOtolaryngology Physician1891822896
Verify Lillian Klancar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 37812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,206 Medicare Part D claims for 239 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Most prescribed
- Letrozole176 claims
- Anastrozole118 claims
- Tamoxifen Citrate90 claims
- Ibrance73 claims
- Dexamethasone45 claims
- Ondansetron Hcl44 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.
Bills Medicare through one group practice
- Colorado Permanente Medical Group PCLone Tree, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lillian Klancar among 212 hematology & oncology physician records in Colorado
Lillian Klancar, 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 2006, is newer than 30% of them.
- NPI issued2006 · 30% of these records are older, 51% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1996 · median 2004 among the 150 with a school on file
- Record last updated2021 · 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 Lone Tree → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Todd Capizzi, MDLone Tree, CO 801241649485764
- Robert Jotte, MDLone Tree, CO 801241669457032
- Thomas Kenney, M.D.Lone Tree, CO 801241386782902
- James Link, M. D., PHDLone Tree, CO 801241063775104
- Rebecca Shay Rodriguez, D.O.Lone Tree, CO 801241447630124
- Dean Elhag, MDLittleton, CO 801221174029052
- David Link, MDLittleton, CO 801221932183522
- Karng Log, DOLittleton, CO 801221932310034
Common questions
What is Lillian Klancar, M.D.'s NPI number?
Lillian Klancar, M.D.'s National Provider Identifier (NPI) is 1598798761, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lillian Klancar, M.D. located?
The NPPES record lists a practice address at 10240 Park Meadows Dr, Lone Tree, CO, 80124. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Lillian Klancar, M.D.'s license?
NPPES lists Colorado license number 37812, 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 Lillian Klancar, M.D. prescribe under Medicare Part D?
In 2024, Lillian Klancar, M.D. had 1,206 Medicare Part D claims for 239 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.