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DR. ALEXANDER L. AYZENGART M.D.
NPI 1265561047
Surgery in Reno, NV

Active since March 05, 2007PECOS EnrolledAccepts Medicare Assignment
91.59/100
CMS Quality Rating
1500 E 2ND ST STE 300, RENO, NV 89502(775) 982-5000(775) 982-3900 Get Directions Write a Review

NPPES record last updated: July 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 22, 2024, Jul 21, 2022, May 17, 2017 (3 updates tracked since 2017).

About Dr. Alexander L. Ayzengart M.d. NPPES

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

DR. ALEXANDER L. AYZENGART M.D. (NPI 1265561047) is an individual surgery provider in Reno, Nevada, licensed in Nevada (21858) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and is a graduate of University Of Michigan Medical School (2004).

NPPES Registry Identity

NPI1265561047
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. ALEXANDER L. AYZENGARTCredential: M.D.
Location Address1500 E 2ND ST STE 300Reno, NV 89502-1198
Mailing Address1155 Mill St # M14Reno, NV 89502-1576 · (775) 982-5262 · Fax (775) 982-5496
Phone(775) 982-5000
Fax(775) 982-3900
Sole ProprietorYes
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2004
Enumeration DateMarch 5, 2007
Last NPPES UpdateJuly 22, 20243 updates tracked since enumeration
NPPES CertifiedJuly 22, 2024
✔ NPI 1265561047 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in NV · 21858
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1500 E 2ND ST STE 300, Reno, NV 89502
Open in Google Maps ↗

Other Identifiers 2

Other21858NV · Nv Md License
Other15489434NV · Caqh

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health.Insurance ›

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

Dr. Alexander L. Ayzengart M.d. 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 ID1658695507
PECOS Enrollment IDI20220720003915
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

2

Medicare enrollment records show Alexander Ayzengart reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community Care Services LLC
Same address
Pulmonary Disease
1500 E 2ND ST STE 302
Reno, NV 89502
  • Reassigned Medicare billing, Nevada enrollment
  • 735 clinicians in this Medicare group
NPI 1457822132 (775) 982-5000
K Sasse Surgical Associates, Professional Corporation
4.4 mi
Surgery
5500 RENO CORPORATE DR STE 100
Reno, NV 89511
  • Reassigned Medicare billing, Nevada enrollment
  • 7 clinicians in this Medicare group
NPI 1013271857 (775) 829-7999

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 3

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
19 services16 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
11 services11 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Renown Regional Medical Center

Acute Care Hospitals · Reno, NV
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290001
Location1155 Mill StreetReno, NV 89502 · Washoe County
Emergency services Birthing friendly

Renown South Meadows Medical Center

Acute Care Hospitals · Reno, NV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290049
Location10101 Double R BlvdReno, NV 89521 · Washoe County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89502 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
$71.14 typical visit price
range $18.27 – $140.96
Typical copayment $17.78 (range $4.56 – $35.24)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.59/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.05
Promoting Interoperability96.88
Improvement Activities40

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.

UROLOGIC SURGEONS LTD
Urology
1500 E 2ND ST STE 300
RENO, NV 89502
Washoe County (775) 322-7811
MR. KIMBALL SCOTT KNACKSTEDT D.O.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1500 E 2ND ST STE 300
RENO, NV 89502
Washoe County (775) 982-5000
STEPHANIE CHRISTIAN PA-C
Physician Assistant
1500 E 2ND ST STE 300
RENO, NV 89502
Washoe County (775) 982-2808
MR. JOSEPH P BRANDL MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1500 E 2ND ST STE 300
RENO, NV 89502
Washoe County (775) 982-5000
NICHOLAS MANGUSO MD
Surgery
1500 E 2ND ST STE 300
RENO, NV 89502
Washoe County (775) 982-5000
MICHAEL JOHNATHON ELLIOTT M.D.
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
1500 E 2ND ST STE 300
RENO, NV 89502
Washoe County (775) 982-5000
JOHN ISAK FORS APRN
Nurse Practitioner (Gerontology)
1500 E 2ND ST STE 300
RENO, NV 89502
Washoe County (775) 982-5000
CAROLYN RENEE DENNEHEY MD
Internal Medicine (Rheumatology)
1500 E 2ND ST STE 300
RENO, NV 89502
Washoe County (775) 982-2808

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 Alexander Ayzengart's NPI number?

The NPI number for Alexander Ayzengart is 1265561047. It was assigned to this individual provider in the NPPES registry on March 5, 2007.

Where is Alexander Ayzengart located?

Alexander Ayzengart practices at 1500 E 2nd St Ste 300, Reno, NV 89502. The listed phone number is (775) 982-5000.

What is Alexander Ayzengart's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Alexander Ayzengart enrolled in Medicare?

Yes. Alexander Ayzengart 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 Alexander Ayzengart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Ayzengart reassigns Medicare benefits to 2 organizations: Community Care Services LLC (Reno, NV) and K Sasse Surgical Associates, Professional Corporation (Reno, 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 Alexander Ayzengart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexander Ayzengart accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Alexander Ayzengart 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 Alexander Ayzengart affiliated with any hospitals?

According to CMS data, Alexander Ayzengart is affiliated with Renown Regional Medical Center and Renown South Meadows Medical Center.

When was this NPI record last updated?

The NPPES record for Alexander Ayzengart was last updated on July 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.