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GUILLERMO A GUTIERREZ-CALLEROS MD
NPI 1649200734
Pediatrics - Neonatal-Perinatal Medicine in Phoenix, AZ

Active since July 04, 2006PECOS Enrolled
4722 N 24TH ST, SUITE 150, PHOENIX, AZ 85016(602) 256-4628(602) 957-9438 Get Directions Write a Review

NPPES record last updated: May 13, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Guillermo A Gutierrez-calleros Md NPPES

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

GUILLERMO A GUTIERREZ-CALLEROS MD (NPI 1649200734) is an individual neonatal-perinatal medicine provider in Phoenix, Arizona, licensed in Arizona (16667) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649200734
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameGUILLERMO A GUTIERREZ-CALLEROSCredential: MD
Location Address4722 N 24TH ST, SUITE 150Phoenix, AZ 85016-4800
Mailing Address4722 N 24th St, Suite 150Phoenix, AZ 85016-4800 · (602) 256-4628 · Fax (602) 957-9438
Phone(602) 256-4628
Fax(602) 957-9438
Sole ProprietorNo
Enumeration DateJuly 4, 2006
Last NPPES UpdateMay 13, 2013
✔ NPI 1649200734 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 AZ · 16667
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 ListedPediatricsTaxonomy 208000000X · License 16667 (AZ)
4722 N 24TH ST, Phoenix, AZ 85016
Open in Google Maps ↗

Other Identifiers 1

Medicaid118762AZ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Guillermo A Gutierrez-calleros Md 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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DANIEL FRANCIS OKEEFFE MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
4722 N 24TH ST, SUITE 150
PHOENIX, AZ 85016
Maricopa County (602) 256-4628
MAHESH M KOTWAL MD
Pediatrics (Neonatal-Perinatal Medicine)
4722 N 24TH ST, SUITE 150
PHOENIX, AZ 85016
Maricopa County (602) 256-4628
DR. WILLIAM DAVID HUFF MD
Obstetrics & Gynecology
4722 N 24TH ST, SUITE 150
PHOENIX, AZ 85016
Maricopa County (602) 256-4628

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 Guillermo Gutierrez-calleros's NPI number?

The NPI number for Guillermo Gutierrez-calleros is 1649200734. It was assigned to this individual provider in the NPPES registry on July 4, 2006.

Where is Guillermo Gutierrez-calleros located?

Guillermo Gutierrez-calleros practices at 4722 N 24th St Suite 150, Phoenix, AZ 85016. The listed phone number is (602) 256-4628.

What is Guillermo Gutierrez-calleros's specialty?

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

Is Guillermo Gutierrez-calleros enrolled in Medicare?

Yes. Guillermo Gutierrez-calleros is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Guillermo Gutierrez-calleros was last updated on May 13, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.