1. Home
  2. Directory
  3. Nevada
  4. Las Vegas
  5. Internal Medicine
  6. NPI Profile

SARA ALLEYASIN
NPI 1790340990
Internal Medicine - Gastroenterology in Las Vegas, NV

Active since May 03, 2019PECOS EnrolledAccepts Medicare Assignment
620 SHADOW LN, LAS VEGAS, NV 89106(702) 388-8000(702) 388-8431 Get Directions Write a Review

NPPES record last updated: April 8, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 8, 2026, May 3, 2019 (2 updates tracked since 2019).

About Sara Alleyasin NPPES

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

SARA ALLEYASIN (NPI 1790340990) is an individual gastroenterology provider in Las Vegas, Nevada, licensed in California (20A23783) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1790340990
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameSARA ALLEYASIN
Location Address620 SHADOW LNLas Vegas, NV 89106-4119
Mailing Address620 Shadow LnLas Vegas, NV 89106-4119 · (702) 388-8000 · Fax (702) 388-8431
Phone(702) 388-8000
Fax(702) 388-8431
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateMay 3, 2019
Last NPPES UpdateApril 8, 20262 updates tracked since enumeration
NPPES CertifiedApril 8, 2026
✔ NPI 1790340990 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · 20A23783
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License SL1429 (NV)
620 SHADOW LN, Las Vegas, NV 89106
Open in Google Maps ↗

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

Sara Alleyasin 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 ID9638688310
PECOS Enrollment IDI20250818003728
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89106 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.

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.

JANN STACEY PICKENS NP
Nurse Practitioner
620 SHADOW LN
LAS VEGAS, NV 89106
Clark County (702) 388-4506
DR. VICTOR HOANG D.O.
Orthopaedic Surgery
620 SHADOW LN
LAS VEGAS, NV 89106
Clark County (702) 388-8436
DR. KAY E MCMILLAN DO
Emergency Medicine
620 SHADOW LN
LAS VEGAS, NV 89106
Clark County (702) 388-4500
DR. FELIX ALEXIE DO
Internal Medicine
620 SHADOW LN
LAS VEGAS, NV 89106
Clark County (702) 388-4000
ALEX HIRSCHFELD GOLDBACH MD
Internal Medicine
620 SHADOW LN
LAS VEGAS, NV 89106
Clark County (702) 477-6572
NASIBO KADIR MD PLLC
Internal Medicine
620 SHADOW LN
LAS VEGAS, NV 89106
Clark County (702) 388-4000
DR. JOHN YOUNG KO DO
Internal Medicine (Gastroenterology)
620 SHADOW LN
LAS VEGAS, NV 89106
Clark County (702) 388-8436
DR. NICHOLAS CIURCZAK DO
Student in an Organized Health Care Education/Training Program
620 SHADOW LN
LAS VEGAS, NV 89106
Clark County (702) 388-4000

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 Sara Alleyasin's NPI number?

The NPI number for Sara Alleyasin is 1790340990. It was assigned to this individual provider in the NPPES registry on May 3, 2019.

Where is Sara Alleyasin located?

Sara Alleyasin practices at 620 Shadow Ln, Las Vegas, NV 89106. The listed phone number is (702) 388-8000.

What is Sara Alleyasin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Sara Alleyasin enrolled in Medicare?

Yes. Sara Alleyasin 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.

When was this NPI record last updated?

The NPPES record for Sara Alleyasin was last updated on April 8, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.