DR. MARY B DEEGAN HAFF D.O.
NPI 1659565919
Pediatrics - Adolescent Medicine in Mineola, NY

Q: What is Mary Deegan Haff's NPI number?

The NPI number for Mary Deegan Haff is 1659565919. It was assigned to this individual provider in the NPPES registry on August 30, 2007.

Q: What is Mary Deegan Haff's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Deegan Haff was last updated on April 28, 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.

Active since August 30, 2007PECOS Enrolled

259 1ST ST, MINEOLA, NY 11501(516) 663-2829 Get Directions Write a Review

NPPES record last updated: April 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 28, 2026, Aug 11, 2022, Dec 1, 2021 (3 updates tracked since 2021).

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About Dr. Mary B Deegan Haff D.o. NPPES

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

DR. MARY B DEEGAN HAFF D.O. (NPI 1659565919) is an individual adolescent medicine provider in Mineola, New York, licensed in New York (245621-1) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659565919

Entity TypeIndividualFemale

Primary Taxonomy2080A0000X

Provider Legal NameDR. MARY B DEEGAN HAFFCredential: D.O.

Location Address259 1ST STMineola, NY 11501-3957

Mailing Address259 1st StMineola, NY 11501-3957 · (516) 663-2500 · Fax (516) 663-8412

Phone(516) 663-2829

Sole ProprietorNo

Enumeration DateAugust 30, 2007

Last NPPES UpdateApril 28, 20263 updates tracked since enumeration

NPPES CertifiedApril 28, 2026

✔ NPI 1659565919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080A0000X

License✔ Licensed in NY · 245621-1

Definition

A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.

Also ListedEmergency Medicine · Pediatric Emergency MedicineTaxonomy 207PP0204X · License 245621 (NY)

259 1ST ST, Mineola, NY 11501

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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)

Dr. Mary B Deegan Haff D.o. 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.

LINDSY MILLER M.D.

Anesthesiology

259 1ST ST
MINEOLA, NY 11501

Nassau County (516) 741-0570

GINA CARUCCI

Physician Assistant (Medical)

259 1ST ST
MINEOLA, NY 11501

Nassau County (516) 663-0333

DR. CHRISTIAN GIGANTE MD

Student in an Organized Health Care Education/Training Program

259 1ST ST
MINEOLA, NY 11501

Nassau County (516) 663-8794

CHRISTOPHER PETILLO

Student in an Organized Health Care Education/Training Program

259 1ST ST
MINEOLA, NY 11501

Nassau County (516) 663-0333

JOHN ANTHONY DINELLI MD

Student in an Organized Health Care Education/Training Program

259 1ST ST
MINEOLA, NY 11501

Nassau County (516) 663-0333

MANISHA SAKORE MD

Pediatrics (Neonatal-Perinatal Medicine)

259 1ST ST
MINEOLA, NY 11501

Nassau County (516) 663-3853

DR. LAWRENCE SCHEINBERG M.D.

Anesthesiology

259 1ST ST
MINEOLA, NY 11501

Nassau County (516) 663-0333

DR. KIM ANN RUTHERFORD M.D.

Pediatrics (Pediatric Emergency Medicine)

259 1ST ST
MINEOLA, NY 11501

Nassau County (717) 531-8955

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 Mary Deegan Haff's NPI number?

The NPI number for Mary Deegan Haff is 1659565919. It was assigned to this individual provider in the NPPES registry on August 30, 2007.

Where is Mary Deegan Haff located?

Mary Deegan Haff practices at 259 1st St, Mineola, NY 11501. The listed phone number is (516) 663-2829.

What is Mary Deegan Haff's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Is Mary Deegan Haff enrolled in Medicare?

Yes. Mary Deegan Haff is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Deegan Haff was last updated on April 28, 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.