MARIANA GUERRERO GONZALEZ ARAGON
NPI 1639563539
Emergency Medicine in Lakewood, CO
About Mariana Guerrero Gonzalez Aragon NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIANA GUERRERO GONZALEZ ARAGON (NPI 1639563539) is an individual emergency medicine provider in Lakewood, Colorado, licensed in Colorado (DR.0059922) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Mariana Guerrero Gonzalez Aragon 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 Mariana Guerrero Gonzalez Aragon reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lakewood, CO 80228
- Reassigned Medicare billing, Colorado enrollment
- 468 clinicians in this Medicare group
Lakewood, CO 80228
- Reassigned Medicare billing, Colorado enrollment
- 285 clinicians in this Medicare group
Golden, CO 80401
- Reassigned Medicare billing, Colorado enrollment
- 352 clinicians in this Medicare group
Denver, CO 80204
- Reassigned Medicare billing, Colorado enrollment
- 2,259 clinicians in this Medicare group
Westminster, CO 80031
- Reassigned Medicare billing, Colorado enrollment
- 130 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
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 80228 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.
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 Mariana Guerrero Gonzalez Aragon's NPI number?
The NPI number for Mariana Guerrero Gonzalez Aragon is 1639563539. It was assigned to this individual provider in the NPPES registry on March 28, 2015.
Where is Mariana Guerrero Gonzalez Aragon located?
Mariana Guerrero Gonzalez Aragon practices at 11600 W 2nd Pl, Lakewood, CO 80228. The listed phone number is (720) 321-0000.
What is Mariana Guerrero Gonzalez Aragon's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mariana Guerrero Gonzalez Aragon enrolled in Medicare?
Yes. Mariana Guerrero Gonzalez Aragon 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 Mariana Guerrero Gonzalez Aragon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariana Guerrero Gonzalez Aragon reassigns Medicare benefits to 5 organizations: Usacs Of Colorado Inc (Lakewood, CO), Usacs Observation Medicine Services Of Colorado Inc. (Lakewood, CO), Usacs Community Emergency Services Of Colorado, Inc. (Golden, CO), Denver Health And Hospital Authority (Denver, CO) and Premier Emergency Services, Inc (Westminster, 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 Mariana Guerrero Gonzalez Aragon'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 Mariana Guerrero Gonzalez Aragon 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.
# Mariana Guerrero Gonzalez Aragon · NPI 1639563539
Emergency Medicine physician in Lakewood, Colorado. Individual provider, active in the CMS NPPES registry since March 28, 2015.
## Identity
- **NPI:** 1639563539 (Entity type: Individual)
- **Enumerated:** March 28, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** DR.0059922 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 11600 W 2ND PL, Lakewood, CO 80228-1527
- **Phone:** (720) 321-0000
## 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): Usacs Of Colorado Inc (NPI 1720614217, Lakewood, CO); Usacs Observation Medicine Services Of Colorado Inc. (NPI 1518491232, Lakewood, CO); Usacs Community Emergency Services Of Colorado, Inc. (NPI 1821623307, Golden, CO); Denver Health And Hospital Authority (NPI 1477569838, Denver, CO); Premier Emergency Services, Inc (NPI 1457755688, Westminster, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** December 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1639563539) · Data from the CMS NPPES public registry.