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MARCO SANUDO LOAYZA M.D.
NPI 1659690717
Pediatrics - Neonatal-Perinatal Medicine in Brookfield, WI

Active since May 27, 2010
17345 CIVIC DR STE 1327, BROOKFIELD, WI 53045(414) 447-7330(414) 447-1070 Get Directions Write a Review

NPPES record last updated: May 13, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 13, 2025, Jun 15, 2021, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Marco Sanudo Loayza M.d. NPPES

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

MARCO SANUDO LOAYZA M.D. (NPI 1659690717) is an individual neonatal-perinatal medicine provider in Brookfield, Wisconsin, licensed in Wisconsin (73228) and active in the NPI registry since May 2010.

NPPES Registry Identity

NPI1659690717
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameMARCO SANUDO LOAYZACredential: M.D.
Location Address17345 CIVIC DR STE 1327Brookfield, WI 53045-5070
Mailing AddressPo Box 1327Brookfield, WI 53008-1327 · (414) 447-7330 · Fax (414) 447-1070
Phone(414) 447-7330
Fax(414) 447-1070
Sole ProprietorNo
Enumeration DateMay 27, 2010
Last NPPES UpdateMay 13, 20254 updates tracked since enumeration
NPPES CertifiedMay 1, 2025
✔ NPI 1659690717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses✔ Licensed in WI · 73228✔ Licensed in MS · 25149
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 73228 (WI)
17345 CIVIC DR STE 1327, Brookfield, WI 53045
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare).Insurance ›

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.

BAIBA STEINBREKERA M.D.
Pediatrics (Neonatal-Perinatal Medicine)
17345 CIVIC DR STE 1327
BROOKFIELD, WI 53045
Waukesha County (414) 447-7330
DR. BRENT WAYNE ARNOLD M.D.
Pediatrics (Neonatal-Perinatal Medicine)
17345 CIVIC DR STE 1327
BROOKFIELD, WI 53045
Waukesha County (414) 447-7330
DR. PAULA BANSER OSTERHOUT M.D.
Pediatrics (Neonatal-Perinatal Medicine)
17345 CIVIC DR STE 1327
BROOKFIELD, WI 53045
Waukesha County (414) 447-7330

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 Marco Loayza's NPI number?

The NPI number for Marco Loayza is 1659690717. It was assigned to this individual provider in the NPPES registry on May 27, 2010.

Where is Marco Loayza located?

Marco Loayza practices at 17345 Civic Dr Ste 1327, Brookfield, WI 53045. The listed phone number is (414) 447-7330.

What is Marco Loayza's specialty?

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

What insurance does Marco Loayza accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource (Common Ground Healthcare) list Marco Loayza 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 Marco Loayza was last updated on May 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.