MARK S DACEY MD
NPI 1245433259
Ophthalmology in Denver, CO
About Mark S Dacey Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK S DACEY MD (NPI 1245433259) is an individual ophthalmology provider in Denver, Colorado, licensed in Colorado (49002) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Cheyenne Regional Medical Center, and maintains a secondary practice location in Colorado Springs.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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
Mark S Dacey Md 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 Reassignment
Medicare enrollment records show Mark Dacey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80246
- Reassigned Medicare billing, Colorado enrollment
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 14
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cheyenne Regional Medical Center
Acute Care Hospitals · Cheyenne, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80246 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DENVER, CO 80246
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 Mark Dacey's NPI number?
The NPI number for Mark Dacey is 1245433259. It was assigned to this individual provider in the NPPES registry on June 7, 2007.
Where is Mark Dacey located?
Mark Dacey practices at 425 S Cherry St Ste 907, Denver, CO 80246. The listed phone number is (208) 266-4227.
What is Mark Dacey's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Mark Dacey enrolled in Medicare?
Yes. Mark Dacey 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 organization bills Medicare for Mark Dacey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Dacey reassigns Medicare benefits to Rocky Mountain Uveitis, LLC (Denver, CO). The 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 Mark Dacey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Dacey accept?
Health plans from Select Health list Mark Dacey as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Dacey affiliated with any hospitals?
According to CMS data, Mark Dacey is affiliated with Cheyenne Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Dacey was last updated on March 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.