THOMAS JOSEPH KARDASHIAN-SIEGER MD
NPI 1447830757
Emergency Medicine in Bronx, NY

Active since April 11, 2021PECOS EnrolledAccepts Medicare Assignment
1400 PELHAM PKWY S, BRONX, NY 10461(718) 918-5812 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 2, 2025, Apr 11, 2021 (2 updates tracked since 2021).

About Thomas Joseph Kardashian-sieger Md NPPES

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

THOMAS JOSEPH KARDASHIAN-SIEGER MD (NPI 1447830757) is an individual emergency medicine provider in Bronx, New York, licensed in Nevada (27687) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Valley Hospital Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1447830757
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTHOMAS JOSEPH KARDASHIAN-SIEGERCredential: MD
Location Address1400 PELHAM PKWY SBronx, NY 10461-1197
Mailing Address191 Saint Nicholas Ave Apt 3eNew York, NY 10026-1235 · (917) 446-2200
Sole ProprietorYes
Medical School CMSRutgers New Jersey Medical SchoolGraduated 2021
Enumeration DateApril 11, 2021
Last NPPES UpdateJune 25, 20262 updates tracked since enumeration
NPPES CertifiedJune 25, 2026
✔ NPI 1447830757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in NV · 27687✔ Licensed in NY · 328927
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.
1400 PELHAM PKWY S, Bronx, NY 10461

Secondary Practice Locations 2

Location 11800 W Charleston BlvdLas Vegas, NV 89102-2386 · Phone (702) 383-2000
Location 24802 10th AveBrooklyn, NY 11219-2916 · Phone (718) 283-6000

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

Thomas Joseph Kardashian-sieger 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 ID9234673906
PECOS Enrollment IDI20251022003261
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

3

Medicare enrollment records show Thomas Kardashian-sieger reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
4802 10TH AVE
Brooklyn, NY 11219
  • Reassigned Medicare billing, New York enrollment
  • 189 clinicians in this Medicare group
Emergency Medicine
865 E LAKE MEAD PKWY
Henderson, NV 89015
  • Reassigned Medicare billing, Nevada enrollment
  • 161 clinicians in this Medicare group
Community/Behavioral Health
5409 E LAKE MEAD BLVD
Las Vegas, NV 89156
  • Reassigned Medicare billing, Nevada enrollment
  • 522 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare 4

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

Summerlin Hospital Medical Center

Acute Care Hospitals · Las Vegas, NV
2/5 CMS rating
OwnershipProprietary
CMS Certification Number290041
Location657 Town Center DriveLas Vegas, NV 89144 · Clark County
Emergency services Birthing friendly

Spring Valley Hospital Medical Center

Acute Care Hospitals · Las Vegas, NV
2/5 CMS rating
OwnershipProprietary
CMS Certification Number290046
Location5400 South Rainbow BlvdLas Vegas, NV 89118 · Clark County
Emergency services Birthing friendly

Centennial Hills Hospital Medical Center

Acute Care Hospitals · Las Vegas, NV
1/5 CMS rating
OwnershipProprietary
CMS Certification Number290054
Location6900 N Durango DrLas Vegas, NV 89149 · Clark County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10461 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

Student in an Organized Health Care Education/Training Program
1400 PELHAM PKWY S
BRONX, NY 10461
Pharmacist
1400 PELHAM PKWY S
BRONX, NY 10461
Emergency Medicine
1400 PELHAM PKWY S, BUILDING 6, SUITE B125
BRONX, NY 10461
Psychiatry & Neurology (Clinical Neurophysiology)
1400 PELHAM PKWY S, BUILDING #1, 3N1
BRONX, NY 10461
Midwife
1400 PELHAM PKWY S, BS. 33
BRONX, NY 10461
Emergency Medicine
1400 PELHAM PKWY S, BUILDING 6//SUITE B125
BRONX, NY 10461
Student in an Organized Health Care Education/Training Program
1400 PELHAM PKWY S
BRONX, NY 10461
Anesthesiology
1400 PELHAM PKWY S
BRONX, NY 10461

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 Thomas Kardashian-sieger's NPI number?

The NPI number for Thomas Kardashian-sieger is 1447830757. It was assigned to this individual provider in the NPPES registry on April 11, 2021.

Where is Thomas Kardashian-sieger located?

Thomas Kardashian-sieger practices at 1400 Pelham Pkwy S, Bronx, NY 10461. The listed phone number is (718) 918-5812.

What is Thomas Kardashian-sieger's specialty?

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

Is Thomas Kardashian-sieger enrolled in Medicare?

Yes. Thomas Kardashian-sieger 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 Thomas Kardashian-sieger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Kardashian-sieger reassigns Medicare benefits to 3 organizations: Maimonides Medical Center - Mmc Emergency Physicians Fpp (Brooklyn, NY), Shadow Emergency Physicians PLLC (Henderson, NV) and University Medical Center Of Southern Nevada (Las Vegas, NV). 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 Thomas Kardashian-sieger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Kardashian-sieger affiliated with any hospitals?

According to CMS data, Thomas Kardashian-sieger is affiliated with Valley Hospital Medical Center, Summerlin Hospital Medical Center, Spring Valley Hospital Medical Center and Centennial Hills Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas Kardashian-sieger was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.