NPPES file of Aug 9, 2026

Alexander Aerfon Pezeshki, MD

Emergency Medicine Physician · Chicago, IL

Alexander Aerfon Pezeshki, MD is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1922593599, issued on Jun 26, 2018. Check the license (Illinois 125073264, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1922593599
Name
Alexander Aerfon Pezeshki
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
125073264 IL
Self-reported in NPPES; status is on the state search
Practice location
1901 W Harrison St, Chicago, IL 60612
Phone
(312) 864-6000
Enumerated
Jun 26, 2018
Record last updated
Jun 26, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220506001718); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2018
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.
Download card Updates feed

Also registered at 1901 W Harrison St

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

  1. Elias Abate, M.D.Internal Medicine Physician1336712199
  2. Ayesha Abbasi, MDInternal Medicine Physician1376216705
  3. Milagros Abellera, APNNurse Practitioner1528076239
  4. Annette Abraham, MDInfectious Disease Physician1083195093
  5. Fidel Abrego, MDObstetrics & Gynecology Physician1245351824
  6. Bryan Acevedo, MDInternal Medicine Physician1598459612

Verify Alexander Aerfon Pezeshki in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 125073264
    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 Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

21% fewer Medicare Part D claims than the average emergency medicine physician in 2024

179 Medicare Part D claims for 128 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Alexander Pezeshki179
  2. Specialty average226

Most prescribed

  1. Cephalexin23 claims
  2. Amoxicillin-Clavulanate Potass15 claims
  3. Doxycycline Hyclate13 claims
  4. Albuterol Sulfate Hfa12 claims
  5. Prednisone12 claims
  6. Dicyclomine Hcl11 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score78.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 3 group practices

  1. Burbank Emergency Medical Group IncBurbank, CA
  2. EM Alliance California ApcWildomar, CA
  3. Intercommunity Emergency Medical GroupWhittier, CA

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

1,310 emergency medicine physician records list a practice address in Chicago

They are 1,310 of the 63,379 NPPES records with a practice address in Chicago, and 3,291 emergency medicine physician records in Illinois.

Other emergency medicine physician records in Illinois

  1. Osama Aaflaq, M.D.Carbondale, IL1083663520
  2. Suresh Abad, M.D.Vernon Hills, IL1639100126
  3. Albert Abalos, M.D.Elmhurst, IL1881983484
  4. Habib Abbasi, M.D.Joliet, IL1902832835
  5. Andrew Abbeg, D.O.Greenville, IL1548490311
  6. Ryan Abbott, DOChicago, IL1477243517
  7. Ahmad Abdulla, MDOak Lawn, IL1467202556
  8. Zakaria Abdulnabi, M.D.Urbana, IL1790135499
  9. Aziz Abed, M.D.Harvey, IL1477874154
  10. Logan Abel, MDChicago, IL1447900592

Common questions

What is Alexander Aerfon Pezeshki, MD's NPI number?

Alexander Aerfon Pezeshki, MD's National Provider Identifier (NPI) is 1922593599, issued on Jun 26, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Aerfon Pezeshki, MD located?

The NPPES record lists a practice address at 1901 W Harrison St, Chicago, IL, 60612. Phone: (312) 864-6000. Providers update this record themselves, so call before visiting.

How can I verify Alexander Aerfon Pezeshki, MD's license?

NPPES lists Illinois license number 125073264, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alexander Aerfon Pezeshki, MD prescribe under Medicare Part D?

In 2024, Alexander Aerfon Pezeshki, MD had 179 Medicare Part D claims for 128 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Alexander Aerfon Pezeshki, MD's MIPS final score?

The 2023 MIPS final score is 91.4 of 100, reported for the practice group. 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.