MELISSA TERESE IRWIN C.R.N.A.
NPI 1467748376
Nurse Anesthetist, Certified Registered in Aurora, CO

Active since June 20, 2011PECOS EnrolledAccepts Medicare Assignment
80.97/100
CMS Quality Rating
12605 E 16TH AVE, UNIVERSITY OF COLORADO HOSPITAL, AURORA, CO 80045(720) 848-0000 Get Directions Write a Review

NPPES record last updated: April 30, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1467748376
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMELISSA TERESE IRWINCredential: C.R.N.A.
Location Address12605 E 16TH AVE, UNIVERSITY OF COLORADO HOSPITALAurora, CO 80045-2545
Mailing Address12605 E 16th Ave, University Of Colorado HospitalAurora, CO 80045-2545 · (720) 848-0000
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJune 20, 2011
Last NPPES UpdateApril 30, 2025
NPPES CertifiedApril 30, 2025
✔ NPI 1467748376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in NC · 087177✔ Licensed in CO · APN.0993646-CRNA
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
12605 E 16TH AVE, Aurora, CO 80045

Other Names 1

Former Name (1)Melissa Peters

Secondary Practice Locations 2

Location 19050 E Lowry Blvd Ste 160Denver, CO 80230-7362 · Phone (303) 632-2120
Location 211600 W 2nd PlLakewood, CO 80228-1527 · Phone (720) 321-1010 · Fax (720) 321-1001

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.

PECOS PAC ID6406028372
PECOS Enrollment IDI20150602000781
Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare 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.

Otolaryngology
8101 E LOWRY BLVD STE 210
Denver, CO 80230
  • Reassigned Medicare billing, Colorado enrollment
  • 1,193 clinicians in this Medicare group
Gastroenterology
4500 E 9TH AVE STE 720S
Denver, CO 80220
  • Reassigned Medicare billing, Colorado enrollment
  • 37 clinicians in this Medicare group
General Acute Care Hospital
1400 JACKSON ST
Denver, CO 80206
  • Reassigned Medicare billing, Colorado enrollment
  • 281 clinicians in this Medicare group
Anesthesiology
3000 S JAMAICA CT STE 140
Aurora, CO 80014
  • Reassigned Medicare billing, Colorado enrollment
  • 99 clinicians in this Medicare group
Anesthesiology
8000 E MAPLEWOOD AVE STE 120
Greenwood Village, CO 80111
  • Reassigned Medicare billing, Colorado enrollment
  • 971 clinicians in this Medicare group
Anesthesiology
12911 W 40TH AVE
Golden, CO 80401
  • Reassigned Medicare billing, Colorado enrollment
  • 171 clinicians in this Medicare group
Anesthesiology
10120 S EASTERN AVE STE 100
Henderson, NV 89052
  • Reassigned Medicare billing, Nevada enrollment
  • 95 clinicians in this Medicare group
Anesthesiology
350 E INTERSTATE 20 STE 200
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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
37 services36 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
12 services12 patients

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.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

80.97/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality65.4
Improvement Activities40
Cost100

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.

Surgery (Trauma Surgery)
12605 E 16TH AVE
AURORA, CO 80045
Pediatrics (Pediatric Emergency Medicine)
12605 E 16TH AVE
AURORA, CO 80045
Pharmacist
12605 E 16TH AVE
AURORA, CO 80045
Surgery (Surgical Critical Care)
12605 E 16TH AVE
AURORA, CO 80045
Nurse Practitioner (Adult Health)
12605 E 16TH AVE
AURORA, CO 80045
Nurse Anesthetist, Certified Registered
12605 E 16TH AVE
AURORA, CO 80045
Nurse Practitioner (Family)
12605 E 16TH AVE
AURORA, CO 80045
Nurse Anesthetist, Certified Registered
12605 E 16TH AVE
AURORA, CO 80045

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.