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ENDOCRINOLOGY SPECIALISTS AT MERCER LLC
NPI 1265968580
Internal Medicine - Endocrinology, Diabetes & Metabolism in Hamilton, NJ

Active since May 05, 2017
1542 KUSER RD, SUITE B3, HAMILTON, NJ 08619(609) 298-1844 Get Directions Write a Review

NPPES record last updated: May 5, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Endocrinology Specialists At Mercer Llc NPPES

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

ENDOCRINOLOGY SPECIALISTS AT MERCER LLC (NPI 1265968580) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Hamilton, New Jersey and active in the NPI registry since May 2017. The organization lists Yan Wu, Owner, as its authorized official.

NPPES Registry Identity

NPI1265968580
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameENDOCRINOLOGY SPECIALISTS AT MERCER LLC
Location Address1542 KUSER RD, SUITE B3Hamilton, NJ 08619-3829
Mailing Address1542 Kuser Rd, Suite B3Hamilton, NJ 08619-3829
Phone(609) 298-1844
Organization SubpartNo
Authorized OfficialYan WuOwner · (609) 298-1844
Enumeration DateMay 5, 2017
✔ NPI 1265968580 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
1542 KUSER RD, Hamilton, NJ 08619
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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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Endocrinology Specialists At Mercer 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 Endocrinology Specialists At Mercer LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Yan Wu, M.D.
Endocrinology
NPI 1831191550
2 CAPITAL WAY SUITE 290
Pennington, NJ 08534
(609) 303-4300
✔ PECOS✔ Accepts Medicare8.2 mi

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 Endocrinology Specialists At Mercer LLC's NPI number?

The NPI number for Endocrinology Specialists At Mercer LLC is 1265968580. It was assigned to this organization in the NPPES registry on May 5, 2017.

Where is Endocrinology Specialists At Mercer LLC located?

Endocrinology Specialists At Mercer LLC is located at 1542 Kuser Rd Suite B3, Hamilton, NJ 08619. The listed phone number is (609) 298-1844.

What is Endocrinology Specialists At Mercer LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Endocrinology Specialists At Mercer LLC enrolled in Medicare?

Yes. Endocrinology Specialists At Mercer LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Endocrinology Specialists At Mercer LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Endocrinology Specialists At Mercer 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.

When was this NPI record last updated?

The NPPES record for Endocrinology Specialists At Mercer LLC was last updated on May 5, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.