HARRISON MEDICAL GROUP LLC
NPI 1841579851
Internal Medicine in Harrison, NJ

Active since August 08, 2011
332 HARRISON AVE, HARRISON, NJ 07029(973) 484-9216(973) 484-9216 Get Directions Write a Review

NPPES record last updated: March 29, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Harrison Medical Group Llc NPPES

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

HARRISON MEDICAL GROUP LLC (NPI 1841579851) is a healthcare organization registered as an internal medicine in Harrison, New Jersey and active in the NPI registry since August 2011. The organization lists Ray Ryan Santos, Medical Doctor, as its authorized official.

NPPES Registry Identity

NPI1841579851
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHARRISON MEDICAL GROUP LLC
Location Address332 HARRISON AVEHarrison, NJ 07029-1775
Mailing Address332 Harrison AveHarrison, NJ 07029-1775 · (973) 484-9216 · Fax (973) 484-9216
Fax(973) 484-9216
Organization SubpartNo
Authorized OfficialRay Ryan SantosMedical Doctor · (973) 484-2584
Enumeration DateAugust 8, 2011
Last NPPES UpdateMarch 29, 2012
✔ NPI 1841579851 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NJ · 25MA08446200
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.
Also ListedPediatricsTaxonomy 208000000X · License 25MA08446200 (NJ)
332 HARRISON AVE, Harrison, NJ 07029

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Harrison Medical Group Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by October 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew JerseyEnrollment IDO20120329000116Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Harrison Medical Group LLC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Cardiovascular Disease (Cardiology)
NPI 1124131016
135 BLOOMFIELD AVE SUITE B
Bloomfield, NJ 07003
(973) 743-2248
✔ PECOS✔ Accepts Medicare2.8 mi
Internal Medicine
NPI 1225146632
850 S 11TH ST
Newark, NJ 07108
(973) 373-6066
✔ PECOS3.1 mi
Internal Medicine
NPI 1396831814
369 SPRINGFIELD AVENUE
Berkeley Heights, NJ 07922
(908) 464-6700
✔ PECOS✔ Accepts Medicare15 mi
Nurse Practitioner
NPI 1760929269
137 MAIN RD SUITE 200
Montville, NJ 07045
(973) 402-0025
✔ PECOS✔ Accepts Medicare17 mi
Internal Medicine
NPI 1538110754
170 KINNELON RD SUITE 28
Kinnelon, NJ 07405
(973) 838-7650
✔ PECOS✔ Accepts Medicare21 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 Harrison Medical Group LLC's NPI number?

The NPI number for Harrison Medical Group LLC is 1841579851. It was assigned to this organization in the NPPES registry on August 8, 2011.

Where is Harrison Medical Group LLC located?

Harrison Medical Group LLC is located at 332 Harrison Ave, Harrison, NJ 07029. The listed phone number is (973) 484-9216.

What is Harrison Medical Group LLC's specialty?

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

Is Harrison Medical Group LLC enrolled in Medicare?

Yes. Harrison Medical Group LLC is registered in the Medicare PECOS enrollment system.

When is Harrison Medical Group LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New Jersey, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Harrison Medical Group LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to Harrison Medical Group 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. The largest specialties are Internal Medicine (3), Cardiovascular Disease (Cardiology) (1) and Nurse Practitioner (1). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Harrison Medical Group LLC was last updated on March 29, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.