DR. NADIA M DEARSTYNE M.D.
NPI 1104053495
Emergency Medicine in Denver, CO
About Dr. Nadia M Dearstyne M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NADIA M DEARSTYNE M.D. (NPI 1104053495) is an individual emergency medicine provider in Denver, Colorado, licensed in Colorado (DR.0050907) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of Temple University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 2
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
Dr. Nadia M Dearstyne 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
5Medicare enrollment records show Nadia Dearstyne reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver, CO 80218
- Reassigned Medicare billing, Colorado enrollment
- 1,270 clinicians in this Medicare group
Denver, CO 80204
- Reassigned Medicare billing, Colorado enrollment
- 2,259 clinicians in this Medicare group
Denver, CO 80247
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: Colorado Permanente Medical Group PC
- 1,715 clinicians in this Medicare group
Alamosa, CO 81101
- Reassigned Medicare billing, Colorado enrollment
- 203 clinicians in this Medicare group
Trinidad, CO 81082
- Reassigned Medicare billing, Colorado enrollment
- 23 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 5
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 80218 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DENVER, CO 80218
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 Nadia Dearstyne's NPI number?
The NPI number for Nadia Dearstyne is 1104053495. It was assigned to this individual provider in the NPPES registry on June 15, 2009. The provider is also known as Dr. Nadia S Markovchick MD.
Where is Nadia Dearstyne located?
Nadia Dearstyne practices at 1375 E 19th Ave, Denver, CO 80218. The listed phone number is (303) 338-4545.
What is Nadia Dearstyne's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nadia Dearstyne enrolled in Medicare?
Yes. Nadia Dearstyne 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 Nadia Dearstyne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nadia Dearstyne reassigns Medicare benefits to 5 organizations: Intermountain Medical Group Denver, LLC (Denver, CO), Denver Health And Hospital Authority (Denver, CO), Colorado Permanente Medical Group, P.C. (Denver, CO), Lutheran Hospital Association Of The San Luis Valley (Alamosa, CO) and Innova Emergency Medical Associates PC (Trinidad, CO). 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 Nadia Dearstyne'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 Nadia Dearstyne was last updated on December 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Dr. Nadia M Dearstyne, M.D. · NPI 1104053495
Emergency Medicine physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since June 15, 2009.
## Identity
- **NPI:** 1104053495 (Entity type: Individual)
- **Enumerated:** June 15, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** DR.0050907 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1375 E 19TH AVE, Denver, CO 80218-1114
- **Phone:** (303) 338-4545
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Intermountain Medical Group Denver, LLC (NPI 1558975953, Denver, CO); Denver Health And Hospital Authority (NPI 1477569838, Denver, CO); Colorado Permanente Medical Group, P.C. (NPI 1760599724, Denver, CO); Lutheran Hospital Association Of The San Luis Valley (NPI 1720269434, Alamosa, CO); Innova Emergency Medical Associates PC (NPI 1295178978, Trinidad, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** December 11, 2024
- **Other identifiers:** Other 022748 (CO); Medicaid 39057216 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1104053495) · Data from the CMS NPPES public registry.