ALEX ZHORNITSKIY
NPI 1659729820
Internal Medicine - Gastroenterology in Sacramento, CA

Active since May 29, 2016PECOS EnrolledAccepts Medicare Assignment
4150 V ST STE 3500, SACRAMENTO, CA 95817(916) 734-7183 Get Directions Write a Review

NPPES record last updated: July 22, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 22, 2021, Nov 18, 2019, Jun 15, 2016 (3 updates tracked since 2016).

About Alex Zhornitskiy NPPES

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

ALEX ZHORNITSKIY (NPI 1659729820) is an individual gastroenterology provider in Sacramento, California, licensed in California (A152337) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1659729820
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameALEX ZHORNITSKIY
Location Address4150 V ST STE 3500Sacramento, CA 95817-1460
Mailing Address4150 V St Ste 3500Sacramento, CA 95817-1460
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateMay 29, 2016
Last NPPES UpdateJuly 22, 20213 updates tracked since enumeration
NPPES CertifiedJuly 22, 2021
✔ NPI 1659729820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A152337
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 A152337 (CA)
Also ListedHospitalistTaxonomy 208M00000X · License A152337 (CA)
Also ListedGeneral Acute Care HospitalTaxonomy 282N00000X
4150 V ST STE 3500, Sacramento, CA 95817

Secondary Practice Locations 2

Location 11250 16th St # C2304Santa Monica, CA 90404-1249 · Phone (310) 319-4698 · Fax (310) 319-4908
Location 2757 Westwood Plz Ste 7501Los Angeles, CA 90095-1437 · Phone (310) 267-9643 · Fax (310) 267-3840

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

Alex Zhornitskiy 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 ID8022340389
PECOS Enrollment IDI20191106000855
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 Alex Zhornitskiy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Maternal & Fetal Medicine
4860 Y ST
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • 2,570 clinicians in this Medicare group
Family Medicine
4860 Y ST, STE 200
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Regents Of The University Of California
  • 918 clinicians in this Medicare group
Clinic/Center
335 E AVENUE I
Lancaster, CA 93535
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of Los Angeles
  • 1,939 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Internal Medicine (Nephrology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Internal Medicine (Nephrology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817

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 Alex Zhornitskiy's NPI number?

The NPI number for Alex Zhornitskiy is 1659729820. It was assigned to this individual provider in the NPPES registry on May 29, 2016.

Where is Alex Zhornitskiy located?

Alex Zhornitskiy practices at 4150 V St Ste 3500, Sacramento, CA 95817. The listed phone number is (916) 734-7183.

What is Alex Zhornitskiy's specialty?

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

Is Alex Zhornitskiy enrolled in Medicare?

Yes. Alex Zhornitskiy 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 Alex Zhornitskiy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alex Zhornitskiy reassigns Medicare benefits to 3 organizations: Regents Of The Univ Of Ca (Sacramento, CA), Regents Of The University Of Ca (Sacramento, CA) and County Of Los Angeles Auditor Controller (Lancaster, CA). 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 Alex Zhornitskiy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alex Zhornitskiy was last updated on July 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.