NPPES file of Aug 9, 2026

Casey Nejad Gashti, MD

Nephrology Physician · Chicago, IL

Casey Nejad Gashti, MD is a nephrology physician with a practice address in Chicago, Illinois, and NPI 1285762252, issued on Mar 1, 2007. Check the license (Illinois 036.113657, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285762252
Name
Casey Nejad Gashti
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
036.113657 IL
Self-reported in NPPES; status is on the state search
Practice location
104 S Ashland Ave, Chicago, IL 60607
Phone
(312) 850-8434
Enumerated
Mar 1, 2007
Record last updated
Apr 29, 2025
Fax
(312) 850-8431
Medicare enrollment
Enrolled (PECOS I20070711000238); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2002
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 104 S Ashland Ave

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

  1. Pravir Baxi, M.D.Nephrology Physician1780970731
  2. Stephen Korbet, MDNephrology Physician1972608289
  3. William Whittier, MDNephrology Physician1609981471

Verify Casey Nejad Gashti 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 036.113657
    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

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63% fewer Medicare Part D claims than the average nephrology physician in 2024

547 Medicare Part D claims for 104 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Casey Gashti547
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate43 claims
  2. Furosemide41 claims
  3. Losartan Potassium28 claims
  4. Prosol26 claims
  5. Lisinopril23 claims
  6. Allopurinol19 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.

Industry payments in 2024: $16,400.55

26 payments; by number, the most common kind was food and beverage; the largest payer was NxStage Medical, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Casey Gashti$16,401
  2. Specialty average$3,091

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. Edmund J Lewis MD And AssociatesChicago, IL

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

Nephrology Physician providers in Illinois

There are 572 nephrology physician records in Illinois.

Other nephrology physician records in Illinois

  1. Momen Abbasi, M.D.Chicago, IL1184472268
  2. Ahmed AbdouHarvey, IL1821526492
  3. Mohan Abraham, MDChicago, IL1144550088
  4. Pabitra Adhikari, MDChicago, IL1427629740
  5. Bhavani Adusumilli, MDSpringfield, IL1568792604
  6. Vikram Aggarwal, M.DChicago, IL1316235583
  7. Akansha Agrawal, MDChicago, IL1396280905
  8. Kireet Agrawal, MDChicago, IL1780831719
  9. Fayzan Ahmad, MDChicago, IL1376005835
  10. Mashood Ahmad, MDRockford, IL1043232846

Common questions

What is Casey Nejad Gashti, MD's NPI number?

Casey Nejad Gashti, MD's National Provider Identifier (NPI) is 1285762252, issued on Mar 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Casey Nejad Gashti, MD located?

The NPPES record lists a practice address at 104 S Ashland Ave, Chicago, IL, 60607. Phone: (312) 850-8434. Providers update this record themselves, so call before visiting.

How can I verify Casey Nejad Gashti, MD's license?

NPPES lists Illinois license number 036.113657, 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 Casey Nejad Gashti, MD prescribe under Medicare Part D?

In 2024, Casey Nejad Gashti, MD had 547 Medicare Part D claims for 104 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

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.