DIANNA HARDATT M.D.
NPI 1295268738
Pediatrics - Pediatric Hematology-Oncology in Bronx, NY

Q: What is Dianna Hardatt's NPI number?

The NPI number for Dianna Hardatt is 1295268738. It was assigned to this individual provider in the NPPES registry on April 11, 2017.

Q: What is Dianna Hardatt's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Q: When was this NPI record last updated?

The NPPES record for Dianna Hardatt was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since April 11, 2017PECOS Enrolled

1650 GRAND CONCOURSE, BRONX, NY 10457(718) 992-7669 Get Directions Write a Review

NPPES record last updated: November 19, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 19, 2025, Aug 6, 2020, Apr 11, 2017 (3 updates tracked since 2017).

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About Dianna Hardatt M.d. NPPES

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

DIANNA HARDATT M.D. (NPI 1295268738) is an individual pediatric hematology-oncology provider in Bronx, New York, licensed in New York (307544) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1295268738

Entity TypeIndividualFemale

Primary Taxonomy2080P0207X

Provider Legal NameDIANNA HARDATTCredential: M.D.

Location Address1650 GRAND CONCOURSEBronx, NY 10457-7679

Mailing Address1650 Grand ConcourseBronx, NY 10457-7679 · (718) 992-7669

Phone(718) 992-7669

Sole ProprietorYes

Medical School CMSOtherGraduated 2016

Enumeration DateApril 11, 2017

Last NPPES UpdateNovember 19, 20253 updates tracked since enumeration

NPPES CertifiedNovember 19, 2025

✔ NPI 1295268738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0207X

License✔ Licensed in NY · 307544

Definition

A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

Also ListedPediatricsTaxonomy 208000000X · License 307544 (NY)

1650 GRAND CONCOURSE, Bronx, NY 10457

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dianna Hardatt M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2961995774

PECOS Enrollment IDI20251201002700

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.

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