KATHERINE JANUSZEWICZ MD
NPI 1255795290
Emergency Medicine in Las Vegas, NV

Active since April 06, 2016PECOS EnrolledAccepts Medicare Assignment
3186 S MARYLAND PKWY, LAS VEGAS, NV 89109(702) 961-5000 Get Directions Write a Review

NPPES record last updated: July 28, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 2, 2020, May 9, 2016 (2 updates tracked since 2016).

About Katherine Januszewicz Md NPPES

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

KATHERINE JANUSZEWICZ MD (NPI 1255795290) is an individual emergency medicine provider in Las Vegas, Nevada, licensed in Nevada (20016) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Valley Hospital Medical Center, and maintains a secondary practice location in Washington.

NPPES Registry Identity

NPI1255795290
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameKATHERINE JANUSZEWICZCredential: MD
Location Address3186 S MARYLAND PKWYLas Vegas, NV 89109-2306
Mailing Address2581 Saint Rose PkwyHenderson, NV 89074-7777 · (702) 780-2700
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 2016
Enumeration DateApril 6, 2016
Last NPPES UpdateJuly 28, 20252 updates tracked since enumeration
NPPES CertifiedJuly 28, 2025
NPI 1255795290 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in NV · 20016
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.
3186 S MARYLAND PKWY, Las Vegas, NV 89109

Secondary Practice Location 1

Location 12150 Pennsylvania Ave NWWashington, DC 20037-3201 · Phone (202) 741-3000

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

Katherine Januszewicz 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 ID5496175556
PECOS Enrollment IDI20201012002435
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 4

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 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.
97 services96 patients
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.
72 services72 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
17 services16 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.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Valley Hospital Medical Center

Acute Care Hospitals · Las Vegas, NV
2/5 CMS rating
OwnershipProprietary
CMS Certification Number290021
Location620 Shadow LaneLas Vegas, NV 89106 · Clark County
Emergency services

Henderson Hospital

Acute Care Hospitals · Henderson, NV
3/5 CMS rating
OwnershipProprietary
CMS Certification Number290057
Location1050 West Galleria DriveHenderson, NV 89011 · Clark County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89109 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
$88.51 typical visit price
range $57.07 – $173.24
Typical copayment $22.12 (range $14.26 – $43.31)
Most-billed visit code 99203
Established Patient
$100.60 typical visit price
range $18.27 – $140.96
Typical copayment $25.15 (range $4.56 – $35.24)
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.

Radiology (Vascular & Interventional Radiology)
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Pediatrics
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Emergency Medicine
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Physician Assistant
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Nurse Practitioner (Psychiatric/Mental Health)
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Internal Medicine
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Physical Medicine & Rehabilitation
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Emergency Medicine
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109

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 Katherine Januszewicz's NPI number?

The NPI number for Katherine Januszewicz is 1255795290. It was assigned to this individual provider in the NPPES registry on April 6, 2016.

Where is Katherine Januszewicz located?

Katherine Januszewicz practices at 3186 S Maryland Pkwy, Las Vegas, NV 89109. The listed phone number is (702) 961-5000.

What is Katherine Januszewicz's specialty?

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

Is Katherine Januszewicz enrolled in Medicare?

Yes. Katherine Januszewicz 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 Katherine Januszewicz affiliated with any hospitals?

According to CMS data, Katherine Januszewicz is affiliated with Valley Hospital Medical Center and Henderson Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Januszewicz was last updated on July 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.