Omar A. Siddiqui, M.D.
Critical Care Medicine (Internal Medicine) Physician · Oak Lawn, IL
Omar A. Siddiqui, M.D. is a critical care medicine (internal medicine) physician with a practice address in Oak Lawn, Illinois, and NPI 1306287214, issued on Jul 9, 2013. Check the license (Illinois 036139801, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Omar A. Siddiqui
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 036139801 IL
125064227 IL
72320 AZ
MD045269 DC
MD045629 DC
and 2 more
Self-reported in NPPES; status is on the state search - Practice location
- 4440 W 95TH St Ste Aip, Oak Lawn, IL 60453
- Phone
- (708) 684-5094
- Enumerated
- Jul 9, 2013
- Record last updated
- Mar 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20160729000056); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 281 in Illinois → Look up another NPI →
Also registered at 4440 W 95TH St Ste Aip
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Becker, MDCritical Care Medicine (Internal Medicine) Physician1487141735
- Aravind Bommiasamy, M.D.Critical Care Medicine (Internal Medicine) Physician1144562570
- Daniel Gonzalez, MDCritical Care Medicine (Internal Medicine) Physician1083147573
- Natasha RochonCritical Care Medicine Nurse Practitioner1689457855
- William Young, MDCritical Care Medicine (Anesthesiology) Physician1174043277
Verify Omar A. Siddiqui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036139801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $35.45
1 payment: food and beverage; the largest payer was Kestra Medical Technology Services, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Cep America Illinois IntensivistsChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Omar A. Siddiqui among 281 critical care medicine (internal medicine) physician records in Illinois
Omar A. Siddiqui, M.D. is one of 281 critical care medicine (internal medicine) physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 59% of them.
- NPI issued2013 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2013 · median 2008 among the 226 with a school on file
- Record last updated2024 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 critical care medicine (internal medicine) physician records list a practice address in Oak Lawn
They are 33 of the 2,993 NPPES records with a practice address in Oak Lawn, and 281 critical care medicine (internal medicine) physician records in Illinois.
All 281 in Illinois → Every provider in Oak Lawn → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Isis Duran, MDOak Lawn, IL 604531891943619
- Kristopher Fultz, DOOak Lawn, IL 604531083842439
- Faiza Hashmi, MDOak Lawn, IL 604531972812774
- Nureain Mirza, MDOak Lawn, IL 604531205876414
- Zulfiqar Mohammad, MDOak Lawn, IL 604531902834633
- Vijayakumar Nair, MD, FACSOak Lawn, IL 604531891752234
- Karen O'Mara, D.O.Oak Lawn, IL 604531235112269
- Bharati Prasad, M.D.Oak Lawn, IL 604531033300090
Common questions
What is Omar A. Siddiqui, M.D.'s NPI number?
Omar A. Siddiqui, M.D.'s National Provider Identifier (NPI) is 1306287214, issued on Jul 9, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Omar A. Siddiqui, M.D. located?
The NPPES record lists a practice address at 4440 W 95TH St Ste Aip, Oak Lawn, IL, 60453. Phone: (708) 684-5094. Providers update this record themselves, so call before visiting.
How can I verify Omar A. Siddiqui, M.D.'s license?
NPPES lists Illinois license number 036139801, 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.
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.