OAK TREE FAMILY PRACTICE, LLC
NPI 1992954887
Family Medicine in Metuchen, NJ

Q: What is Oak Tree Family Practice, LLC's NPI number?

The NPI number for Oak Tree Family Practice, LLC is 1992954887. It was assigned to this organization in the NPPES registry on September 16, 2008.

Q: What is Oak Tree Family Practice, LLC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since September 16, 2008

173 ESSEX AVE, SUITE 101, METUCHEN, NJ 08840(732) 321-5100(732) 321-5252 Get Directions Write a Review

NPPES record last updated: January 15, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Oak Tree Family Practice, Llc NPPES

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

OAK TREE FAMILY PRACTICE, LLC (NPI 1992954887) is a healthcare organization registered as a family medicine in Metuchen, New Jersey and active in the NPI registry since September 2008. The organization lists Paul M Ahn, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1992954887

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameOAK TREE FAMILY PRACTICE, LLC

Location Address173 ESSEX AVE, SUITE 101Metuchen, NJ 08840-2281

Mailing Address173 Essex Ave, Suite 101Metuchen, NJ 08840-2281 · (732) 321-5100 · Fax (732) 321-5252

Phone(732) 321-5100

Fax(732) 321-5252

Organization SubpartNo

Authorized OfficialPaul M AhnMedical Director · (732) 321-5100

Enumeration DateSeptember 16, 2008

Last NPPES UpdateJanuary 15, 2015

✔ NPI 1992954887 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in NJ · 25MB06391200

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

173 ESSEX AVE, Metuchen, NJ 08840

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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oak Tree Family Practice, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Oak Tree Family Practice, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Paul Ahn, D.O.

Family Practice

NPI 1609934298

173 ESSEX AVE SUITE 101
Metuchen, NJ 08840

(732) 321-5100

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Oak Tree Family Practice, LLC's NPI number?

The NPI number for Oak Tree Family Practice, LLC is 1992954887. It was assigned to this organization in the NPPES registry on September 16, 2008.

Where is Oak Tree Family Practice, LLC located?

Oak Tree Family Practice, LLC is located at 173 Essex Ave Suite 101, Metuchen, NJ 08840. The listed phone number is (732) 321-5100.

What is Oak Tree Family Practice, LLC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Oak Tree Family Practice, LLC enrolled in Medicare?

Yes. Oak Tree Family Practice, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oak Tree Family Practice, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Oak Tree Family Practice, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Oak Tree Family Practice, LLC accept?

Health plans from Oscar Health list Oak Tree Family Practice, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Oak Tree Family Practice, LLC was last updated on January 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.