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

IONA KRYSTIN MALINOW-MACEO M.D.
NPI 1821186875
Pediatrics - Pediatric Allergy/Immunology in Bayamon, PR

Q: What is Iona Malinow-maceo's NPI number?

The NPI number for Iona Malinow-maceo is 1821186875. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Q: What is Iona Malinow-maceo's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Allergy/Immunology, with taxonomy code 2080P0201X.

Active since October 11, 2006

1845 CARR 2 STE 609, BAYAMON, PR 00959(787) 234-1536(787) 474-5422 Get Directions Write a Review

NPPES record last updated: July 5, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

On this page

About Iona Krystin Malinow-maceo M.d. NPPES

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

IONA KRYSTIN MALINOW-MACEO M.D. (NPI 1821186875) is an individual pediatric allergy/immunology provider in Bayamon, Puerto Rico, licensed in Puerto Rico (13007) and active in the NPI registry since October 2006. She maintains 4 additional practice locations.

NPPES Registry Identity

NPI1821186875

Entity TypeIndividualFemale

Primary Taxonomy2080P0201X

Provider Legal NameIONA KRYSTIN MALINOW-MACEOCredential: M.D.

Location Address1845 CARR 2 STE 609Bayamon, PR 00959-7204

Mailing AddressF1-8 Calle D, Mansiones De VillanovaSan Juan, PR 00926-6435 · (787) 731-5346

Phone(787) 234-1536

Fax(787) 474-5422

Sole ProprietorYes

Enumeration DateOctober 11, 2006

Last NPPES UpdateJuly 5, 2026

NPPES CertifiedJuly 5, 2026

✔ NPI 1821186875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Allergy/ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0201X

License✔ Licensed in PR · 13007

Definition

A pediatrician who specializes in the diagnosis and treatment of allergies, allergic reactions, and immunologic diseases in children.

Secondary Practice Locations 4

Location 1PO Box 1142Manati, PR 00674-1142 · Phone (787) 621-3270 · Fax (787) 621-3269

Location 2715 Ave Ponce De LeonHato Rey, PR 00917-5032 · Phone (787) 771-7999 · Fax (787) 771-7996

Location 3PO Box 365067San Juan, PR 00936-5067 · Phone (787) 758-2525 ext. 1821 · Fax (787) 754-1739

Location 4PO Box 6660Caguas, PR 00726-6660 · Phone (787) 653-0550 · Fax (787) 653-0530

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 Iona Malinow-maceo's NPI number?

The NPI number for Iona Malinow-maceo is 1821186875. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Iona Malinow-maceo located?

Iona Malinow-maceo practices at 1845 Carr 2 Ste 609, Bayamon, PR 00959. The listed phone number is (787) 234-1536.

What is Iona Malinow-maceo's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Allergy/Immunology, with taxonomy code 2080P0201X.

When was this NPI record last updated?

The NPPES record for Iona Malinow-maceo was last updated on July 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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.