NPPES file of Aug 9, 2026

Abhishek Katiyar, M.D.

Emergency Medicine Physician · Oak Lawn, IL

Abhishek Katiyar, M.D. is an emergency medicine physician with a practice address in Oak Lawn, Illinois, and NPI 1346219565, issued on Mar 17, 2006. Check the license (Illinois 036-122121, 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
1346219565
Name
Abhishek Katiyar
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
036-122121 IL
01068334A IN
4301086249 MI
Self-reported in NPPES; status is on the state search
Practice location
4440 W 95TH St, Oak Lawn, IL 60453
Phone
(708) 684-5354
Enumerated
Mar 17, 2006
Record last updated
Jun 26, 2025
Fax
(708) 684-1028
Medicaid IDs
104783841 MI
104783921 MI
200985310 IN
104783903 MI
Medicare enrollment
Enrolled (PECOS I20090501000309); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico 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 4440 W 95TH St

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

  1. Nadia Abdessalam, FNP-BCFamily Nurse Practitioner1356888283
  2. Akram Abdoue, M.D.Anesthesiology Physician1992752489
  3. Ahmad Abdulla, MDEmergency Medicine Physician1467202556
  4. Joseph Abraham, CRNACertified Registered Nurse Anesthetist1831653401
  5. Katherine Absalon, MOT, OTR/LOccupational Therapist1457753436
  6. Tassneem Abu-Rezeq, DNP, APRN, CPNP-ACPediatric Nurse Practitioner1831904663

Verify Abhishek Katiyar 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 036-122121
    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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94% fewer Medicare Part D claims than the average emergency medicine physician in 2024

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

  1. Abhishek Katiyar14
  2. Specialty average226

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.

Bills Medicare through one group practice

  1. Advocate Health And Hospitals CorporationOak Lawn, IL

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

Abhishek Katiyar among 3,291 emergency medicine physician records in Illinois

Abhishek Katiyar, M.D. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 68% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2002 · median 2012 among the 1,867 with a school on file
  • Record last updated2025 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

163 emergency medicine physician records list a practice address in Oak Lawn

They are 163 of the 2,993 NPPES records with a practice address in Oak Lawn, and 3,291 emergency medicine physician records in Illinois.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. R. Altman, M.D.Oak Lawn, IL 604531285640862
  2. Adele Cobbs, M.D.Oak Lawn, IL 604531295750669
  3. Steve Delis, MDOak Lawn, IL 604531720095920
  4. Mila Felder, M.D., M.S.Oak Lawn, IL 604531265440929
  5. Shayla Garrett-Hauser, MDOak Lawn, IL 604531457368896
  6. Robert Harwood, M.D.Oak Lawn, IL 604531194733220
  7. Anna Kiernicki Sklar, MDOak Lawn, IL 604531467447920
  8. Christine Kulstad, M.D.Oak Lawn, IL 604531407896525

Common questions

What is Abhishek Katiyar, M.D.'s NPI number?

Abhishek Katiyar, M.D.'s National Provider Identifier (NPI) is 1346219565, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Abhishek Katiyar, M.D. located?

The NPPES record lists a practice address at 4440 W 95TH St, Oak Lawn, IL, 60453. Phone: (708) 684-5354. Providers update this record themselves, so call before visiting.

How can I verify Abhishek Katiyar, M.D.'s license?

NPPES lists Illinois license number 036-122121, 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 Abhishek Katiyar, M.D. prescribe under Medicare Part D?

In 2024, Abhishek Katiyar, M.D. had 14 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.