Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MICHELLE JOHNSON ALLETAG M.D.
NPI 1639381189
Pediatrics - Pediatric Emergency Medicine in Aurora, CO

Q: What is Michelle Alletag's NPI number?

The NPI number for Michelle Alletag is 1639381189. It was assigned to this individual provider in the NPPES registry on May 4, 2007. The provider is also known as Michelle Ann Johnson.

Q: What is Michelle Alletag's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Q: When was this NPI record last updated?

The NPPES record for Michelle Alletag was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.

Active since May 04, 2007PECOS Enrolled

13123 E 16TH AVE, AURORA, CO 80045(720) 777-1234 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Apr 17, 2026, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

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About Dr. Michelle Johnson Alletag M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHELLE JOHNSON ALLETAG M.D. (NPI 1639381189) is an individual pediatric emergency medicine provider in Aurora, Colorado, licensed in Texas (M8484) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639381189

Entity TypeIndividualFemale

Primary Taxonomy2080P0204X

Provider Legal NameDR. MICHELLE JOHNSON ALLETAGCredential: M.D.

Location Address13123 E 16TH AVEAurora, CO 80045-7106

Mailing Address800 Bradbury Dr Se Ste 116Albuquerque, NM 87106-4310

Phone(720) 777-1234

Sole ProprietorNo

Enumeration DateMay 4, 2007

Last NPPES UpdateJuly 13, 20264 updates tracked since enumeration

NPPES CertifiedJuly 13, 2026

✔ NPI 1639381189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080P0204X

Licenses✔ Licensed in TX · M8484✔ Licensed in CO · DR.0053925✔ Licensed in NM · MD2026-0355

Definition

A pediatrician who has special qualifications to manage emergencies in infants and children.

Also ListedPediatricsTaxonomy 208000000X · License M8484 (TX)

13123 E 16TH AVE, Aurora, CO 80045

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Other Names 1

Former Name (1)Michelle Ann Johnson

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michelle Johnson Alletag M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

ERIN TERAVEST PA

Physician Assistant (Surgical)

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-1234

MELISSA KAY FRAZER AA-C

Anesthesiologist Assistant

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-1234

RACHEL MARIE RANWEILER

Registered Nurse (Neonatal Intensive Care)

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-6857

DR. KATHRYN LYN PEGAN AU.D.

Audiologist

13123 E 16TH AVE, 2ND FLOOR OUTPATIENT PAVILION - AUDIOLOGY
AURORA, CO 80045

Adams County (720) 777-1961

MRS. KRISTEN L HOLDER FNP-C, APRN-BC

Nurse Practitioner (Psychiatric/Mental Health)

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-1234

MRS. JILL M MARKS RN, APN

Nurse Practitioner (Pediatrics)

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-1234

MRS. WENDELYN M BARRETT NNP

Registered Nurse (Neonatal Intensive Care)

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-6857

DR. TIMOTHY OWEN VANDERKOOY MD

Emergency Medicine (Pediatric Emergency Medicine)

13123 E 16TH AVE, AURORA, CO 80045-7106
AURORA, CO 80045

Adams County (720) 777-1234

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 Michelle Alletag's NPI number?

The NPI number for Michelle Alletag is 1639381189. It was assigned to this individual provider in the NPPES registry on May 4, 2007. The provider is also known as Michelle Ann Johnson.

Where is Michelle Alletag located?

Michelle Alletag practices at 13123 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 777-1234.

What is Michelle Alletag's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Michelle Alletag enrolled in Medicare?

Yes. Michelle Alletag is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Michelle Alletag was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.