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WILLIAM ARTHUR DIGIACOMO MD LLC
NPI 1043315682
Internal Medicine in Union, NJ

Active since September 14, 2006
2801 MORRIS AVE, UNION, NJ 07083(908) 851-0455(908) 851-0708 Get Directions Write a Review

NPPES record last updated: March 10, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About William Arthur Digiacomo Md Llc NPPES

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

WILLIAM ARTHUR DIGIACOMO MD LLC (NPI 1043315682) is a healthcare organization registered as an internal medicine in Union, New Jersey and active in the NPI registry since September 2006. The organization lists William Arthur Digiacomo, President/owner, as its authorized official.

NPPES Registry Identity

NPI1043315682
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameWILLIAM ARTHUR DIGIACOMO MD LLC
Location Address2801 MORRIS AVEUnion, NJ 07083-4821
Mailing Address2801 Morris AveUnion, NJ 07083-4821 · (908) 851-0455 · Fax (908) 851-0708
Phone(908) 851-0455
Fax(908) 851-0708
Organization SubpartNo
Authorized OfficialWilliam Arthur DigiacomoPresident/owner · (908) 851-0455
Enumeration DateSeptember 14, 2006
Last NPPES UpdateMarch 10, 2008
✔ NPI 1043315682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2801 MORRIS AVE, Union, NJ 07083
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Other Identifiers 2

Medicare PIN160316NJ
Medicare UPINE13203NJ

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)

William Arthur Digiacomo Md 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 William Arthur Digiacomo MD LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

William Digiacomo, M.D.,F.A.C.P.
Internal Medicine
NPI 1184672172
2801 MORRIS AVE
Union, NJ 07083
(908) 851-2500
✔ PECOSSame 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 William Arthur Digiacomo MD LLC's NPI number?

The NPI number for William Arthur Digiacomo MD LLC is 1043315682. It was assigned to this organization in the NPPES registry on September 14, 2006.

Where is William Arthur Digiacomo MD LLC located?

William Arthur Digiacomo MD LLC is located at 2801 Morris Ave, Union, NJ 07083. The listed phone number is (908) 851-0455.

What is William Arthur Digiacomo MD LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Arthur Digiacomo MD LLC enrolled in Medicare?

Yes. William Arthur Digiacomo MD LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through William Arthur Digiacomo MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to William Arthur Digiacomo MD 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 William Arthur Digiacomo MD LLC was last updated on March 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.