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

HAROLD J SLEAVIN M.D.
NPI 1164471686
Pediatrics in Hazlet, NJ

Q: What is Harold Sleavin's NPI number?

The NPI number for Harold Sleavin is 1164471686. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Q: What is Harold Sleavin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Harold Sleavin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 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.

Active since May 10, 2006

1 BETHANY RD, BUILDING 5;SUITE 65, HAZLET, NJ 07730(732) 264-0700(732) 264-1414 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Harold J Sleavin M.d. NPPES

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

HAROLD J SLEAVIN M.D. (NPI 1164471686) is an individual pediatrics provider in Hazlet, New Jersey, licensed in New Jersey (25MA04944700) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1164471686

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameHAROLD J SLEAVINCredential: M.D.

Location Address1 BETHANY RD, BUILDING 5;SUITE 65Hazlet, NJ 07730-1663

Mailing AddressPo Box 23674Newark, NJ 07189-0001 · (732) 264-0700 · Fax (732) 264-1414

Phone(732) 264-0700

Fax(732) 264-1414

Sole ProprietorNo

Enumeration DateMay 10, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1164471686 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in NJ · 25MA04944700

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

1 BETHANY RD, Hazlet, NJ 07730

Open in Google Maps ↗

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.

NEAL RUDA M.D.

Pediatrics

1 BETHANY RD, BUILDING 5; SUITE 65
HAZLET, NJ 07730

Monmouth County (732) 264-0700

BAYSHORE WOUND CARE CENTER

Skilled Nursing Facility

1 BETHANY RD, BUILDING 3, SUITE 41
HAZLET, NJ 07730

Monmouth County (732) 203-9780

DR. STACI JOY ADDESSI D.C.

Chiropractor

1 BETHANY RD, SUITE 29 BUILDING 2
HAZLET, NJ 07730

Monmouth County (732) 739-3345

DR. NICOLE MARIE PANTANO D.O.

Pediatrics

1 BETHANY RD, BUILDING 5, SUITE 65
HAZLET, NJ 07730

Monmouth County (732) 264-0700

MEGAN MEGILL

Occupational Therapist

1 BETHANY RD
HAZLET, NJ 07730

Monmouth County (732) 335-4030

MS. SHAYLYN MAREE STILWELL M.S. ED, CCC-SLP

Speech-Language Pathologist

1 BETHANY RD, BLDG 5 STE 60
HAZLET, NJ 07730

Monmouth County (732) 888-3912

ALLIANCE PSYCHOLOGICAL COUNSELING LLC

Psychologist

1 BETHANY RD, SUITE 10B
HAZLET, NJ 07730

Monmouth County (732) 264-6611

MRS. ELYSSA DENTON LCSW

Social Worker (Clinical)

1 BETHANY RD
HAZLET, NJ 07730

Monmouth County (609) 309-7574

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 Harold Sleavin's NPI number?

The NPI number for Harold Sleavin is 1164471686. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Harold Sleavin located?

Harold Sleavin practices at 1 Bethany Rd Building 5;suite 65, Hazlet, NJ 07730. The listed phone number is (732) 264-0700.

What is Harold Sleavin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Harold Sleavin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 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.