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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. LEONIDAS MICHAEL PRITSIOLAS M.D.
NPI 1952356495
Emergency Medicine in Livingston, NJ

Active since May 23, 2006PECOS Enrolled
75/100
CMS Quality Rating
EMERGENCY MEDICAL ASSOCIATES, 651 WEST MOUNT PLEASANT AVENUE, LIVINGSTON, NJ 07039(973) 251-1018 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Leonidas Michael Pritsiolas M.d. NPPES

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

DR. LEONIDAS MICHAEL PRITSIOLAS M.D. (NPI 1952356495) is an individual emergency medicine provider in Livingston, New Jersey, licensed in New Jersey (25MA08074800) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Clara Maass Medical Center, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2001).

NPPES Registry Identity

NPI1952356495
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. LEONIDAS MICHAEL PRITSIOLASCredential: M.D.
Location AddressEMERGENCY MEDICAL ASSOCIATES, 651 WEST MOUNT PLEASANT AVENUELivingston, NJ 07039
Mailing Address311 Binghampton LnLivingston, NJ 07039-8261 · (914) 563-9427
Phone(973) 251-1018
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2001
Enumeration DateMay 23, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1952356495 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NJ · 25MA08074800
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.
EMERGENCY MEDICAL ASSOCIATES, Livingston, NJ 07039
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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

Dr. Leonidas Michael Pritsiolas M.d. 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 ID6002917200
PECOS Enrollment IDI20070718000269
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.

Areas of Expertise CMS Part B claims 5

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
503 services465 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
103 services90 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
58 services55 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
37 services37 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
21 services21 patients

Hospital Affiliations CMS Care Compare 2

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

Clara Maass Medical Center

Acute Care Hospitals · Belleville, NJ
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310009
LocationOne Clara Maass DriveBelleville, NJ 07109 · Essex County
Emergency services Birthing friendly

Cooperman Barnabas Medical Center

Acute Care Hospitals · Livingston, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310076
Location94 Old Short Hills RoadLivingston, NJ 07039 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07039 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

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 Leonidas Pritsiolas's NPI number?

The NPI number for Leonidas Pritsiolas is 1952356495. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Leonidas Pritsiolas located?

Leonidas Pritsiolas practices at Emergency Medical Associates 651 West Mount Pleasant Avenue, Livingston, NJ 07039. The listed phone number is (973) 251-1018.

What is Leonidas Pritsiolas's specialty?

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

Is Leonidas Pritsiolas enrolled in Medicare?

Yes. Leonidas Pritsiolas 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 Leonidas Pritsiolas affiliated with any hospitals?

According to CMS data, Leonidas Pritsiolas is affiliated with Clara Maass Medical Center and Cooperman Barnabas Medical Center.

When was this NPI record last updated?

The NPPES record for Leonidas Pritsiolas was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.