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EISON DE GUZMAN MD
NPI 1942839667
Internal Medicine - Cardiovascular Disease in Florham Park, NJ

Active since April 04, 2020PECOS Enrolled
140 PARK AVE, FLORHAM PARK, NJ 07932(973) 404-9900 Get Directions Write a Review

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

Record update history: Aug 5, 2026, Mar 26, 2026, Mar 14, 2026 and 2 more (5 updates tracked since 2020).

About Eison De Guzman Md NPPES

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

EISON DE GUZMAN MD (NPI 1942839667) is an individual cardiovascular disease provider in Florham Park, New Jersey, licensed in New Jersey (25MA12625900) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (2020).

NPPES Registry Identity

NPI1942839667
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameEISON DE GUZMANCredential: MD
Location Address140 PARK AVEFlorham Park, NJ 07932-1049
Mailing Address1 Diamond Hill RdBerkeley Heights, NJ 07922-2104
Phone(973) 404-9900
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 2020
Enumeration DateApril 4, 2020
Last NPPES UpdateAugust 5, 20265 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1942839667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in NJ · 25MA12625900
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
140 PARK AVE, Florham Park, NJ 07932
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eison De Guzman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476011933
PECOS Enrollment IDI20260815000500
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Eison De Guzman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Summit Medical Group PA
7.6 mi
Multi-Specialty
1 DIAMOND HILL RD, SUMMIT MEDICAL GROUP
Berkeley Heights, NJ 07922
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,184 clinicians in this Medicare group
NPI 1942254347 (908) 273-4300

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07932 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

REBECCA LEE TASH AUD
Audiologist
140 PARK AVE
FLORHAM PARK, NJ 07932
Morris County (973) 404-9700
DR. ASHLEY ALEXANDRIA BROWN AUD
Audiologist
140 PARK AVE
FLORHAM PARK, NJ 07932
Morris County (973) 404-9890
SUMMIT MEDICAL GROUP PA
Durable Medical Equipment & Medical Supplies
140 PARK AVE
FLORHAM PARK, NJ 07932
Morris County (973) 404-7900
NOEEN AHMAD D.O.
Internal Medicine (Pulmonary Disease)
140 PARK AVE
FLORHAM PARK, NJ 07932
Morris County (973) 404-9930
PRITI R RAO M SC PHYSICAL THERAP
Physical Therapist
140 PARK AVE
FLORHAM PARK, NJ 07932
Morris County (973) 285-7613
WESLEY GINGERELLA PA-C
Physician Assistant (Surgical)
140 PARK AVE
FLORHAM PARK, NJ 07932
Morris County (973) 404-9800
MS. BREANNA SALAZAR DPT
Physical Therapist
140 PARK AVE
FLORHAM PARK, NJ 07932
Morris County (973) 285-7613
VINCENT BRINAS PT
Physical Therapist
140 PARK AVE
FLORHAM PARK, NJ 07932
Morris County (973) 404-9840

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 Eison De Guzman's NPI number?

The NPI number for Eison De Guzman is 1942839667. It was assigned to this individual provider in the NPPES registry on April 4, 2020.

Where is Eison De Guzman located?

Eison De Guzman practices at 140 Park Ave, Florham Park, NJ 07932. The listed phone number is (973) 404-9900.

What is Eison De Guzman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Eison De Guzman enrolled in Medicare?

Yes. Eison De Guzman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Eison De Guzman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eison De Guzman reassigns Medicare benefits to Summit Medical Group PA (Berkeley Heights, NJ). The 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 Eison De Guzman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Eison De Guzman was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.