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DR. ANNA G. USOWICZ MD
NPI 1457317554
Pediatrics - Neonatal-Perinatal Medicine in Oakland, CA

Active since April 26, 2006PECOS Enrolled
747 52ND ST, NEONATOLOGY 3RD FLOOR, OAKLAND, CA 94609(510) 428-3276(510) 450-5823 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 29, 2026, Nov 20, 2025, Feb 27, 2020 and 2 more (5 updates tracked since 2019).

About Dr. Anna G. Usowicz Md NPPES

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

DR. ANNA G. USOWICZ MD (NPI 1457317554) is an individual neonatal-perinatal medicine provider in Oakland, California, licensed in California (A36956) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1457317554
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameDR. ANNA G. USOWICZCredential: MD
Location Address747 52ND ST, NEONATOLOGY 3RD FLOOROakland, CA 94609-1809
Mailing Address747 52nd St, Neonatology 3rd FloorOakland, CA 94609-1809 · (510) 428-3276 · Fax (510) 450-5823
Phone(510) 428-3276
Fax(510) 450-5823
Sole ProprietorNo
Enumeration DateApril 26, 2006
Last NPPES UpdateApril 29, 20265 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
✔ NPI 1457317554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in CA · A36956
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 ListedSpecialistTaxonomy 174400000X · License A36956 (CA)
Also ListedPediatricsTaxonomy 208000000X · License A36956 (CA)
747 52ND ST, Oakland, CA 94609
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Secondary Practice Locations 2

Location 11001 Potrero Ave, Bldg. 5, 6MSan Francisco, CA 94110-3518 · Phone (628) 206-8376
Location 2350 Rhode Island St Ste 200San Francisco, CA 94103-5188 · Phone (415) 600-6240

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Anna G. Usowicz 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 20

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

MRS. SHERYL LEE GARCIA RN
Registered Nurse (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
ERICA TRINGALE N.P,
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3373
MRS. NATALIE PLOTKIN MS, ACPNP
Pediatrics (Pediatric Hematology-Oncology)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3484
REBECCA ROMANOV MD
Pediatrics
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3331
SHELLEY ANNE BULL CPNP-PC
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
KARIDA ADETORO
Student in an Organized Health Care Education/Training Program
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
ANNIE ROQUE
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-4418
CHILDREN'S HOSPITAL & RESEARCH CENTER AT OAKLAND
General Acute Care Hospital
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885

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 Anna Usowicz's NPI number?

The NPI number for Anna Usowicz is 1457317554. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is Anna Usowicz located?

Anna Usowicz practices at 747 52nd St Neonatology 3rd Floor, Oakland, CA 94609. The listed phone number is (510) 428-3276.

What is Anna Usowicz's specialty?

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

Is Anna Usowicz enrolled in Medicare?

Yes. Anna Usowicz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Anna Usowicz was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.