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JULIA SIMON MD
NPI 1023768454
Internal Medicine in New Brunswick, NJ

Active since March 28, 2022PECOS EnrolledAccepts Medicare Assignment
125 PATERSON ST STE 7300, NEW BRUNSWICK, NJ 08901(732) 235-8887 Get Directions Write a Review

NPPES record last updated: August 13, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Julia Simon Md NPPES

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

JULIA SIMON MD (NPI 1023768454) is an individual internal medicine provider in New Brunswick, New Jersey, licensed in New Jersey (25MA12783000) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1023768454
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJULIA SIMONCredential: MD
Location Address125 PATERSON ST STE 7300New Brunswick, NJ 08901-1962
Mailing Address125 Paterson St Ste 7300New Brunswick, NJ 08901-1962
Phone(732) 235-8887
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 28, 2022
Last NPPES UpdateAugust 13, 2025
NPPES CertifiedAugust 13, 2025
✔ NPI 1023768454 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 · 25MA12783000
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
125 PATERSON ST STE 7300, New Brunswick, NJ 08901
Open in Google Maps ↗

Other Names 1

Former Name (1)Julia Tonnessen

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Julia Simon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224525662
PECOS Enrollment IDI20251017001991
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Robert Wood Johnson University Hospital

Acute Care Hospitals · New Brunswick, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310038
LocationOne Robert Wood Johnson PlaceNew Brunswick, NJ 08901 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08901 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
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
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.

BRENDAN MCNAMARA
Student in an Organized Health Care Education/Training Program
125 PATERSON ST STE 7300
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-8887
ANN FAN YANG MD
Student in an Organized Health Care Education/Training Program
125 PATERSON ST STE 7300
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-8887
ANDREW AN WANG
Student in an Organized Health Care Education/Training Program
125 PATERSON ST STE 7300
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-8887
VERDAH AHMAD
Student in an Organized Health Care Education/Training Program
125 PATERSON ST STE 7300
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-8887
DR. JUSTIN TIONGSON MD
Student in an Organized Health Care Education/Training Program
125 PATERSON ST STE 7300
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-8887
SARA SAWICKI
Student in an Organized Health Care Education/Training Program
125 PATERSON ST STE 7300
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-8887
JEREMY APPELBAUM
Student in an Organized Health Care Education/Training Program
125 PATERSON ST STE 7300
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-8887
DR. SHIVANI PATEL MD
Student in an Organized Health Care Education/Training Program
125 PATERSON ST STE 7300
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-8887

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 Julia Simon's NPI number?

The NPI number for Julia Simon is 1023768454. It was assigned to this individual provider in the NPPES registry on March 28, 2022. The provider is also known as Julia Tonnessen.

Where is Julia Simon located?

Julia Simon practices at 125 Paterson St Ste 7300, New Brunswick, NJ 08901. The listed phone number is (732) 235-8887.

What is Julia Simon's specialty?

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

Is Julia Simon enrolled in Medicare?

Yes. Julia Simon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Julia Simon affiliated with any hospitals?

According to CMS data, Julia Simon is affiliated with Robert Wood Johnson University Hospital.

When was this NPI record last updated?

The NPPES record for Julia Simon was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.