MELISSA TERESE IRWIN C.R.N.A.
NPI 1467748376
Nurse Anesthetist, Certified Registered in Aurora, CO
About Melissa Terese Irwin C.r.n.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA TERESE IRWIN C.R.N.A. (NPI 1467748376) is an individual nurse anesthetist, certified registered in Aurora, Colorado, licensed in North Carolina (087177) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 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
Melissa Terese Irwin C.r.n.a. 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
8Medicare enrollment records show Melissa Irwin reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver, CO 80230
- Reassigned Medicare billing, Colorado enrollment
- 1,193 clinicians in this Medicare group
Denver, CO 80220
- Reassigned Medicare billing, Colorado enrollment
- 37 clinicians in this Medicare group
Denver, CO 80206
- Reassigned Medicare billing, Colorado enrollment
- 281 clinicians in this Medicare group
Aurora, CO 80014
- Reassigned Medicare billing, Colorado enrollment
- 99 clinicians in this Medicare group
Greenwood Village, CO 80111
- Reassigned Medicare billing, Colorado enrollment
- 971 clinicians in this Medicare group
Golden, CO 80401
- Reassigned Medicare billing, Colorado enrollment
- 171 clinicians in this Medicare group
Henderson, NV 89052
- Reassigned Medicare billing, Nevada enrollment
- 95 clinicians in this Medicare group
Arlington, TX 76018
- Reassigned Medicare billing, Colorado enrollment
- 46 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 80045 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 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 Melissa Irwin's NPI number?
The NPI number for Melissa Irwin is 1467748376. It was assigned to this individual provider in the NPPES registry on June 20, 2011. The provider is also known as Melissa Peters.
Where is Melissa Irwin located?
Melissa Irwin practices at 12605 E 16th Ave University Of Colorado Hospital, Aurora, CO 80045. The listed phone number is (720) 848-0000.
What is Melissa Irwin's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Melissa Irwin enrolled in Medicare?
Yes. Melissa Irwin 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 Melissa Irwin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Irwin reassigns Medicare benefits to 8 organizations: Catholic Health Initiatives Colorado (Denver, CO), Denver Digestive Health Specialists Inc (Denver, CO), National Jewish Health (Denver, CO), Cpr Anesthesia, Inc (Aurora, CO), Us Anesthesia Partners Of Colorado Inc. (Greenwood Village, CO) and 3 more organizations, listed in the Medicare section above. 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 Melissa Irwin'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 Melissa Irwin was last updated on April 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.