NICHOLAS KALAYEH M.D.
NPI 1134335607
Internal Medicine - Interventional Cardiology in Henderson, NV

Active since May 14, 2007PECOS Enrolled
2641 W HORIZON RIDGE PKWY STE 100, HENDERSON, NV 89052(702) 360-0010(702) 360-0011 Get Directions Write a Review

NPPES record last updated: July 28, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 30, 2025, May 10, 2021, Feb 2, 2016 (3 updates tracked since 2016).

About Nicholas Kalayeh M.d. NPPES

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

NICHOLAS KALAYEH M.D. (NPI 1134335607) is an individual interventional cardiology provider in Henderson, Nevada, licensed in Nevada (17942) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Saint Rose Dominican Hospitals - Siena Campus, and maintains a secondary practice location in Las Vegas.

NPPES Registry Identity

NPI1134335607
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameNICHOLAS KALAYEHCredential: M.D.
Location Address2641 W HORIZON RIDGE PKWY STE 100Henderson, NV 89052-4836
Mailing AddressPo Box 778195Henderson, NV 89077-8195 · (702) 360-0010 · Fax (702) 360-0011
Fax(702) 360-0011
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateMay 14, 2007
Last NPPES UpdateJuly 28, 20253 updates tracked since enumeration
NPPES CertifiedJuly 28, 2025
✔ NPI 1134335607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License✔ Licensed in NV · 17942
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal MedicineTaxonomy 207R00000X · License 36839 (AZ)
Also ListedHospitalistTaxonomy 208M00000X · License 36839 (AZ)
2641 W HORIZON RIDGE PKWY STE 100, Henderson, NV 89052

Secondary Practice Location 1

Location 11180 N Town Center Dr Ste 100Las Vegas, NV 89144-6308 · Phone (702) 202-2060 · Fax (702) 605-2892

Other Identifiers 1

Medicaid233309AZ

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicholas Kalayeh M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2860583309
PECOS Enrollment IDI20210303000476
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 Nicholas Kalayeh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
2641 W HORIZON RIDGE PKWY STE 100
Henderson, NV 89052
  • Reassigned Medicare billing, Nevada enrollment
  • 6 clinicians in this Medicare group
Interventional Cardiology
7385 S PECOS RD
Las Vegas, NV 89120
  • Reassigned Medicare billing, Nevada enrollment
  • Medicare enrollment name: Advanced Heart Care Associates -Plon,spaccavento & Shehata M.D.S. Ltd
  • 9 clinicians in this Medicare group
Hospitalist
1180 N TOWN CENTER DR STE 100
Las Vegas, NV 89144
  • Reassigned Medicare billing, Nevada enrollment
  • 53 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.

Areas of Expertise CMS Part B claims 28

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
2,173 services546 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
896 services798 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.
783 services691 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.
535 services277 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
475 services398 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
176 services168 patients

Hospital Affiliations CMS Care Compare 4

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

Saint Rose Dominican Hospitals - Siena Campus

Acute Care Hospitals · Henderson, NV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290045
Location3001 St Rose ParkwayHenderson, NV 89052 · 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

Saint Rose Dominican Hospitals - San Martin Campus

Acute Care Hospitals · Las Vegas, NV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290053
Location8280 W Warm Springs RoadLas Vegas, NV 89113 · Clark County
Emergency services Birthing friendly

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 89052 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
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$13.70 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims11 services$64.19 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
2641 W HORIZON RIDGE PKWY STE 100
HENDERSON, NV 89052
Nurse Practitioner
2641 W HORIZON RIDGE PKWY STE 100
HENDERSON, NV 89052
Nurse Practitioner (Family)
2641 W HORIZON RIDGE PKWY STE 100
HENDERSON, NV 89052
Internal Medicine
2641 W HORIZON RIDGE PKWY STE 100
HENDERSON, NV 89052
Internal Medicine (Cardiovascular Disease)
2641 W HORIZON RIDGE PKWY STE 100
HENDERSON, NV 89052
Internal Medicine (Cardiovascular Disease)
2641 W HORIZON RIDGE PKWY STE 100
HENDERSON, NV 89052
Internal Medicine (Interventional Cardiology)
2641 W HORIZON RIDGE PKWY STE 100
HENDERSON, NV 89052
General Practice
2641 W HORIZON RIDGE PKWY STE 100
HENDERSON, NV 89052

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 Nicholas Kalayeh's NPI number?

The NPI number for Nicholas Kalayeh is 1134335607. It was assigned to this individual provider in the NPPES registry on May 14, 2007.

Where is Nicholas Kalayeh located?

Nicholas Kalayeh practices at 2641 W Horizon Ridge Pkwy Ste 100, Henderson, NV 89052. The listed phone number is (702) 360-0010.

What is Nicholas Kalayeh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Nicholas Kalayeh enrolled in Medicare?

Yes. Nicholas Kalayeh is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nicholas Kalayeh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Kalayeh reassigns Medicare benefits to 3 organizations: Nk & Ai Enterprises LLP (Henderson, NV), Plon Spaccavento & Associates, Ltd (Las Vegas, NV) and Reliant Physicians (kumar) PLLC (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 Nicholas Kalayeh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Kalayeh accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Nicholas Kalayeh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nicholas Kalayeh affiliated with any hospitals?

According to CMS data, Nicholas Kalayeh is affiliated with Saint Rose Dominican Hospitals - Siena Campus, Spring Valley Hospital Medical Center, Saint Rose Dominican Hospitals - San Martin Campus and Henderson Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Kalayeh 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 15 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.