David Mitchell Marcus, M.D.
Radiation Oncology Physician · Carbondale, CO
David Mitchell Marcus, M.D. is a radiation oncology physician with a practice address in Carbondale, Colorado, and NPI 1306089362, issued on Apr 7, 2009. Check the license (Colorado DR.0015469, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- David Mitchell Marcus
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- DR.0015469 CO
54169 CO
Self-reported in NPPES; status is on the state search - Practice location
- 359 Crystal Canyon Dr, Carbondale, CO 81623
- Phone
- (214) 415-7432
- Enumerated
- Apr 7, 2009
- Record last updated
- Dec 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20241007000678); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 111 in Colorado → Look up another NPI →
Verify David Mitchell Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0015469Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average radiation oncology physician in 2024
21 Medicare Part D claims for 16 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $55.01
2 payments; by number, the most common kind was food and beverage; the largest payer was Merz North America, 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.
2 hospitals and group practices
- Valley View Hospital AssociationGlenwood Spgs, CO · Acute Care Hospitals4 of 5 stars
- Texas Oncology PAGrapevine, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
David Mitchell Marcus among 111 radiation oncology physician records in Colorado
David Mitchell Marcus, 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 2009, is newer than 59% of them.
- NPI issued2009 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2009 · median 2007 among the 88 with a school on file
- Record last updated2015 · 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 Carbondale → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Bruce Greene, MDGlenwood Springs, CO 816011437166139
- Peter Rossi, M.D.Glenwood Springs, CO 816011851338545
- Jack Bagley, M.D.Grand Junction, CO 815051225355670
- Gayle Miller, M.D.Grand Junction, CO 815051033117643
- Lucas Gilbride, MDGrand Junction, CO 815011891109559
- Vernon King, M.D.Grand Junction, CO 815011649278003
- Douglas Rock, M.D.Grand Junction, CO 815011275531725
- Yu ZhouGrand Junction, CO 815011215420427
Common questions
What is David Mitchell Marcus, M.D.'s NPI number?
David Mitchell Marcus, M.D.'s National Provider Identifier (NPI) is 1306089362, issued on Apr 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is David Mitchell Marcus, M.D. located?
The NPPES record lists a practice address at 359 Crystal Canyon Dr, Carbondale, CO, 81623. Phone: (214) 415-7432. Providers update this record themselves, so call before visiting.
How can I verify David Mitchell Marcus, M.D.'s license?
NPPES lists Colorado license number DR.0015469, 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 David Mitchell Marcus, M.D. prescribe under Medicare Part D?
In 2024, David Mitchell Marcus, M.D. had 21 Medicare Part D claims for 16 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.