NPPES file of Aug 9, 2026

Alexander L. Ayzengart, M.D.

Surgery Physician · Reno, NV

Alexander L. Ayzengart, M.D. is a surgery physician with a practice address in Reno, Nevada, and NPI 1265561047, issued on Mar 5, 2007. Check the license (Nevada 21858, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265561047
Name
Alexander L. Ayzengart
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
21858 NV
Self-reported in NPPES; status is on the state search
Practice location
1500 E 2ND St Ste 300, Reno, NV 89502
Phone
(775) 982-5000
Enumerated
Mar 5, 2007
Record last updated
Jul 22, 2024
Fax
(775) 982-3900
Medicare enrollment
Enrolled (PECOS I20220720003915); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1500 E 2ND St Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joseph Brandl, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1083687347
  2. Julia Byman, PA-CPhysician Assistant1447811294
  3. Lisa CavinPhysician Assistant1578004073
  4. Stephanie Christian, PA-CPhysician Assistant1063072882
  5. Adrian Rey Del Fierro, APRNFamily Nurse Practitioner1861257966
  6. Carolyn Dennehey, MDRheumatology Physician1255442919

Verify Alexander L. Ayzengart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 21858
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Nevada license search

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37% more Medicare Part D claims than the average surgery physician in 2024

202 Medicare Part D claims for 49 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 26 claims were for opioids.

  1. Alexander Ayzengart202
  2. Specialty average147

Most prescribed

  1. Methocarbamol21 claims
  2. Ondansetron Hcl21 claims
  3. Oxycodone-Acetaminophen20 claims
  4. Omeprazole17 claims
  5. Dicyclomine Hcl12 claims
  6. Diazepam11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 91.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%96.9
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $12,352.73

51 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alexander Ayzengart$12,353
  2. Specialty average$3,514

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Community Care Services LLCReno, NV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Surgery Physician providers in Nevada

There are 236 surgery physician records in Nevada.

Other surgery physician records in Nevada

  1. Lambert Abeyatunge, MDLas Vegas, NV1154439677
  2. Mustafa Ahmed, MDHenderson, NV1841239118
  3. Syed Ahmed, MDLas Vegas, NV1508807538
  4. Ara AmirkhanianLas Vegas, NV1255960191
  5. Rupert AndersonReno, NV1598875437
  6. Matthew Apel, M.D.Las Vegas, NV1518279819
  7. Travis Arnold-Lloyd, MDNellis Afb, NV1164747390
  8. Denis Astarita, M.D.Ely, NV1558587931
  9. James Atkinson, M.D.Las Vegas, NV1629160627
  10. Brigham Bahr, DONellis Afb, NV1629531074

Common questions

What is Alexander L. Ayzengart, M.D.'s NPI number?

Alexander L. Ayzengart, M.D.'s National Provider Identifier (NPI) is 1265561047, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Alexander L. Ayzengart, M.D. located?

The NPPES record lists a practice address at 1500 E 2ND St Ste 300, Reno, NV, 89502. Phone: (775) 982-5000. Providers update this record themselves, so call before visiting.

How can I verify Alexander L. Ayzengart, M.D.'s license?

NPPES lists Nevada license number 21858, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alexander L. Ayzengart, M.D. prescribe under Medicare Part D?

In 2024, Alexander L. Ayzengart, M.D. had 202 Medicare Part D claims for 49 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Alexander L. Ayzengart, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.