Charles Kelley Simpson, M.D.
Radiation Oncology Physician · Lafayette, CO
Charles Kelley Simpson, M.D. is a radiation oncology physician with a practice address in Lafayette, Colorado, and NPI 1871527754, issued on Jul 10, 2006. Check the license (Colorado 28468, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles Kelley Simpson
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 28468 CO
Self-reported in NPPES; status is on the state search - Practice location
- 120 Old Laramie Trl E, Lafayette, CO 80026
- Phone
- (303) 926-9800
- Enumerated
- Jul 10, 2006
- Record last updated
- Dec 6, 2022
- Fax
- (303) 926-9891
- Medicaid IDs
- 05854776 CO
01284686 CO - Medicare enrollment
- Enrolled (PECOS I20231019000366); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 111 in Colorado → Look up another NPI →
Verify Charles Kelley Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 28468Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average radiation oncology physician in 2024
147 Medicare Part D claims for 53 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Tamsulosin Hcl55 claims
- Hydrocodone-Acetaminophen19 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): 78.8 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: $71.89
4 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo Inc. The 3,275 providers of this specialty with any payment received $1,897.85 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 one group practice
- The Mary Lanning Memorial Hospital AssociationGrand Island, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Kelley Simpson among 111 radiation oncology physician records in Colorado
Charles Kelley Simpson, M.D. is one of 111 radiation oncology physician records with a practice address in Colorado. 86% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 58% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1986 · median 2007 among the 88 with a school on file
- Record last updated2022 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Colorado
There are 111 radiation oncology physician records in Colorado.
All 111 in Colorado → Every provider in Lafayette → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Changhu Chen, MDLafayette, CO 800261336256171
- Andrew Knight, M.D.Lafayette, CO 800261619114592
- Lincoln Pao, M.D.Lafayette, CO 800261245344431
- Matthew Stenmark, M.D.Lafayette, CO 800261861692436
- Marina Moskalenko, MDWestminster, CO 800231396277182
- Tyler Kemmis, MDWheat Ridge, CO 800331245430826
- Julie WeintraubWheat Ridge, CO 800331689993115
- Dennis Carter, MDAurora, CO 800121740264480
Common questions
What is Charles Kelley Simpson, M.D.'s NPI number?
Charles Kelley Simpson, M.D.'s National Provider Identifier (NPI) is 1871527754, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Kelley Simpson, M.D. located?
The NPPES record lists a practice address at 120 Old Laramie Trl E, Lafayette, CO, 80026. Phone: (303) 926-9800. Providers update this record themselves, so call before visiting.
How can I verify Charles Kelley Simpson, M.D.'s license?
NPPES lists Colorado license number 28468, 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 Charles Kelley Simpson, M.D. prescribe under Medicare Part D?
In 2024, Charles Kelley Simpson, M.D. had 147 Medicare Part D claims for 53 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Charles Kelley Simpson, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.8 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.