Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

JOANNA JOZEFA MACIAG
NPI 1083546493
Nurse Practitioner - Acute Care in New York, NY

Active since June 01, 2026
550 1ST AVE, NEW YORK, NY 10016(212) 263-7300 Get Directions Write a Review

NPPES record added: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 17, 2026, Jun 1, 2026 (2 updates tracked since 2026).

About Joanna Jozefa Maciag NPPES

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

JOANNA JOZEFA MACIAG (NPI 1083546493) is an individual acute care provider in New York, New York, licensed in New York (433695) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1083546493
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameJOANNA JOZEFA MACIAG
Location Address550 1ST AVENew York, NY 10016-6402
Mailing Address6054 Linden StRidgewood, NY 11385-2528 · (212) 263-7300
Sole ProprietorYes
Enumeration DateJune 1, 2026
Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
NPI 1083546493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in NY · 433695
Also ListedRegistered NurseTaxonomy 163W00000X · License 728801 (NY)
550 1ST AVE, New York, NY 10016

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

Internal Medicine
550 1ST AVE
NEW YORK, NY 10016
Emergency Medicine (Pediatric Emergency Medicine)
550 1ST AVE
NEW YORK, NY 10016
Allergy & Immunology
550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
Radiology (Vascular & Interventional Radiology)
550 1ST AVE
NEW YORK, NY 10016
Surgery
550 1ST AVE
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016

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 Joanna Maciag's NPI number?

The NPI number for Joanna Maciag is 1083546493. It was assigned to this individual provider in the NPPES registry on June 1, 2026.

Where is Joanna Maciag located?

Joanna Maciag practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-7300.

What is Joanna Maciag's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

When was this NPI record last updated?

The NPPES record for Joanna Maciag was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 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.