DAVID MITCHELL MARCUS M.D.
NPI 1306089362
Radiology - Radiation Oncology in Carbondale, CO
About David Mitchell Marcus M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID MITCHELL MARCUS M.D. (NPI 1306089362) is an individual radiation oncology provider in Carbondale, Colorado, licensed in Colorado (DR.0015469) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
David Mitchell Marcus M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show David Marcus reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carbondale, CO 81623
- Reassigned Medicare billing, Colorado enrollment
- Also billed through NPI 1114654795 (Colorado), NPI 1619118064 (Colorado)
- 163 clinicians in this Medicare group
El Paso, TX 79915
- Reassigned Medicare billing, Texas enrollment
- 1,054 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 81623 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Marcus's NPI number?
The NPI number for David Marcus is 1306089362. It was assigned to this individual provider in the NPPES registry on April 7, 2009.
Where is David Marcus located?
David Marcus practices at 359 Crystal Canyon Dr, Carbondale, CO 81623. The listed phone number is (214) 415-7432.
What is David Marcus's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is David Marcus enrolled in Medicare?
Yes. David Marcus is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Marcus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Marcus reassigns Medicare benefits to 2 organizations: Valley View Hospital Association (Carbondale, CO) and Texas Oncology PA (El Paso, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Marcus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for David Marcus was last updated on December 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.