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DR. CORRIE JOY ALONZO M.D.
NPI 1073956033
Pediatrics - Neonatal-Perinatal Medicine in Denver, CO

Active since April 09, 2013PECOS Enrolled
1375 E 19TH AVE, DENVER, CO 80218(303) 338-4545 Get Directions Write a Review

NPPES record last updated: April 8, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 8, 2021, Sep 3, 2019 (2 updates tracked since 2019).

About Dr. Corrie Joy Alonzo M.d. NPPES

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

DR. CORRIE JOY ALONZO M.D. (NPI 1073956033) is an individual neonatal-perinatal medicine provider in Denver, Colorado, licensed in Colorado (DR.0061265) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073956033
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameDR. CORRIE JOY ALONZOCredential: M.D.
Location Address1375 E 19TH AVEDenver, CO 80218-1114
Mailing Address10350 E Dakota AveDenver, CO 80247-1314 · (303) 338-4545
Phone(303) 338-4545
Sole ProprietorNo
Enumeration DateApril 9, 2013
Last NPPES UpdateApril 8, 20212 updates tracked since enumeration
NPPES CertifiedApril 8, 2021
✔ NPI 1073956033 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in CO · DR.0061265
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1375 E 19TH AVE, Denver, CO 80218
Open in Google Maps ↗

Other Names 1

Former Name (1)Corrie Joy Schaefer

Other Identifiers 1

Other028925CO · Kaiser Commercial Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Corrie Joy Alonzo 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.

Medicare Billing Reassignment

Medicare enrollment records show Corrie Alonzo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Intermountain Medical Group Denver, LLC
Same address
Hematology & Oncology
1375 E 19TH AVE
Denver, CO 80218
  • Reassigned Medicare billing, Colorado enrollment
  • 1,270 clinicians in this Medicare group
NPI 1558975953 (303) 812-6350

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DR. HEATHER NICOLE ORTH MD
Emergency Medicine
1375 E 19TH AVE
DENVER, CO 80218
Denver County (303) 338-4545
DR. ROCHELLE RAVISHANKARA MD
Emergency Medicine
1375 E 19TH AVE
DENVER, CO 80218
Denver County (303) 338-4545
JODIE LOVE R.N.
Registered Nurse (Obstetric, Inpatient)
1375 E 19TH AVE
DENVER, CO 80218
Denver County (303) 506-9295
CHRISTINA ANNE SASS D.O.
Hospitalist
1375 E 19TH AVE
DENVER, CO 80218
Denver County (303) 812-6410
DR. WILLIAM P LEE MD
Internal Medicine (Nephrology)
1375 E 19TH AVE
DENVER, CO 80218
Denver County (303) 338-4545
DR. SARAH BROOM HUBBELL M.D.
Hospitalist
1375 E 19TH AVE
DENVER, CO 80218
Denver County (303) 338-4545
HEALTHONE CLINIC SERVICES - OBSTETRICS AND GYNECOLOGY LLC
Obstetrics & Gynecology
1375 E 19TH AVE
DENVER, CO 80218
Denver County (303) 812-2000
DR. MARTHA S SHEINER M.D.
Hospitalist
1375 E 19TH AVE
DENVER, CO 80218
Denver County (303) 338-3382

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 Corrie Alonzo's NPI number?

The NPI number for Corrie Alonzo is 1073956033. It was assigned to this individual provider in the NPPES registry on April 9, 2013. The provider is also known as Corrie Joy Schaefer.

Where is Corrie Alonzo located?

Corrie Alonzo practices at 1375 E 19th Ave, Denver, CO 80218. The listed phone number is (303) 338-4545.

What is Corrie Alonzo's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Corrie Alonzo enrolled in Medicare?

Yes. Corrie Alonzo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Corrie Alonzo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Corrie Alonzo reassigns Medicare benefits to Intermountain Medical Group Denver, LLC (Denver, CO). The 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 Corrie Alonzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Corrie Alonzo accept?

Health plans from Select Health list Corrie Alonzo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Corrie Alonzo was last updated on April 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.