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JOHN S. KOLIOPOULOS DO
NPI 1053353516
Emergency Medicine in Berkeley Heights, NJ

Active since June 11, 2006PECOS EnrolledAccepts Medicare Assignment
1 DIAMOND HILL RD, BERKELEY HEIGHTS, NJ 07922(908) 277-8880(908) 277-8796 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 3, 2025, Oct 1, 2021 (2 updates tracked since 2021).

About John S. Koliopoulos Do NPPES

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

JOHN S. KOLIOPOULOS DO (NPI 1053353516) is an individual emergency medicine provider in Berkeley Heights, New Jersey, licensed in New Jersey (25MB06001400) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1053353516
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJOHN S. KOLIOPOULOSCredential: DO
Location Address1 DIAMOND HILL RDBerkeley Heights, NJ 07922-2104
Mailing Address62 Cheshire LnRingwood, NJ 07456-2743 · (973) 962-6207
Phone(908) 277-8880
Fax(908) 277-8796
Sole ProprietorYes
Medical School CMSOtherGraduated 1992
Enumeration DateJune 11, 2006
Last NPPES UpdateDecember 3, 20252 updates tracked since enumeration
NPPES CertifiedDecember 3, 2025
✔ NPI 1053353516 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in NJ · 25MB06001400✔ Licensed in NJ · MB60014
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1 DIAMOND HILL RD, Berkeley Heights, NJ 07922
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11080 Stelton RdPiscataway, NJ 08854-5201 · Phone (848) 230-6800 · Fax (848) 230-6803
Location 299 Beauvoir AveSummit, NJ 07901-3533 · Phone (908) 522-2232 · Fax (908) 522-0227

Other Identifiers 3

Other223586664NJ · Tricare/champus
Other223586664NJ · Bcbs
Medicaid6880908NJ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John S. Koliopoulos Do 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 ID9537136841
PECOS Enrollment IDI20040915001069
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 Reassignments

6

Medicare enrollment records show John Koliopoulos reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Physician Associates Of North Jersey P C
3.7 mi
Emergency Medicine
99 BEAUVOIR AVE
Summit, NJ 07901
  • Reassigned Medicare billing, New Jersey enrollment
  • 436 clinicians in this Medicare group
NPI 1497783419 (908) 522-2000
Atlantic Advanced Urgent Care
7.2 mi
Emergency Medicine
465 SOUTH ST STE 200
Morristown, NJ 07960
  • Reassigned Medicare billing, New Jersey enrollment
  • 48 clinicians in this Medicare group
NPI 1104309277 (973) 971-7225
Hackensack Meridian Urgent Care Plus PC
19 mi
Urgent Care
5 MARINE VIEW PLZ STE 101
Hoboken, NJ 07030
  • Reassigned Medicare billing, New Jersey enrollment
  • 38 clinicians in this Medicare group
NPI 1396858874 (848) 308-4612
Nu Imagery Healthcare
25 mi
Mental Health (Including Community Mental Health Center)
1069 RINGWOOD AVE STE 210B
Haskell, NJ 07420
  • Reassigned Medicare billing, New Jersey enrollment
  • 4 clinicians in this Medicare group
NPI 1205594512 (201) 350-7225
Atlantic Urgent Care, LLC
32 mi
General Practice
181 HIGH ST
Newton, NJ 07860
  • Reassigned Medicare billing, New Jersey enrollment
  • 80 clinicians in this Medicare group
NPI 1023358959 (973) 383-9898
Emergency Physician Services Of New Jersey,professional Association
52 mi
Emergency Medicine
175 MADISON AVE
Mount Holly, NJ 08060
  • Reassigned Medicare billing, New Jersey enrollment
  • 248 clinicians in this Medicare group
NPI 1831539568 (856) 686-4304

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

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
89 services73 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
75 services75 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
38 services38 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
31 services31 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
24 services11 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07922 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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
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.

SILPA GADIRAJU M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1 DIAMOND HILL RD
BERKELEY HEIGHTS, NJ 07922
Union County (908) 273-4300
DR. JOHN H DOKKO DO
Internal Medicine (Nephrology)
1 DIAMOND HILL RD, SUMMIT MEDICAL GROUP
BERKELEY HEIGHTS, NJ 07922
Union County (908) 273-4300
DENISE RIZZOLO PA
Physician Assistant
1 DIAMOND HILL RD, SUMMIT MEDICAL GROUP
BERKELEY HEIGHTS, NJ 07922
Union County (908) 273-4300
MARIA F DOMINGUEZ BERMEO MD
Family Medicine
1 DIAMOND HILL RD
BERKELEY HEIGHTS, NJ 07922
Union County (908) 219-6940
DR. LAWRENCE J NASTRO MD
Internal Medicine (Infectious Disease)
1 DIAMOND HILL RD, SUMMIT MEDICAL GROUP
BERKELEY HEIGHTS, NJ 07922
Union County (908) 273-4300
DEBRA A RYAN PT
Physical Therapist
1 DIAMOND HILL RD, SUMMIT MEDICAL GROUP
BERKELEY HEIGHTS, NJ 07922
Union County (908) 273-4300
CHRISTOPHER M BONI DO
Internal Medicine
1 DIAMOND HILL RD
BERKELEY HEIGHTS, NJ 07922
Union County (908) 277-8683
LAUREN BARON P.A.
Physician Assistant (Medical)
1 DIAMOND HILL RD
BERKELEY HEIGHTS, NJ 07922
Union County (908) 277-8880

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 John Koliopoulos's NPI number?

The NPI number for John Koliopoulos is 1053353516. It was assigned to this individual provider in the NPPES registry on June 11, 2006.

Where is John Koliopoulos located?

John Koliopoulos practices at 1 Diamond Hill Rd, Berkeley Heights, NJ 07922. The listed phone number is (908) 277-8880.

What is John Koliopoulos's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is John Koliopoulos enrolled in Medicare?

Yes. John Koliopoulos 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.

Which organizations bill Medicare for John Koliopoulos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Koliopoulos reassigns Medicare benefits to 6 organizations: Emergency Physician Associates Of North Jersey P C (Summit, NJ), Atlantic Advanced Urgent Care (Morristown, NJ), Hackensack Meridian Urgent Care Plus PC (Hoboken, NJ), Nu Imagery Healthcare (Haskell, NJ), Atlantic Urgent Care, LLC (Newton, NJ) and 1 more organization, listed in the Medicare section above. Each 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 John Koliopoulos'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 John Koliopoulos was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.