Nadia Siddiqui, M.D.
Internal Medicine Physician · Orland Park, IL
Nadia Siddiqui, M.D. is an internal medicine physician with a practice address in Orland Park, Illinois, and NPI 1801052659, issued on Jul 31, 2008. Check the license (Illinois 036126158, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Nadia Siddiqui
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036126158 IL
Self-reported in NPPES; status is on the state search - Practice location
- 15300 West Ave, Orland Park, IL 60462
- Phone
- (708) 226-2440
- Enumerated
- Jul 31, 2008
- Record last updated
- Mar 1, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (708) 226-2441
- Medicaid ID
- 036126158 IL
- Medicare enrollment
- Enrolled (PECOS I20101208000239); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 15300 West Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Laureen Ambrose, MD SCSpecialist1710902077
- Michael Azzaline, MA, LPCAddiction (Substance Use Disorder) Counselor1285745901
- Diane Bennett, LCSWClinical Social Worker1659633626
- Kirk Bergmark, A.P.R.N.,C.N.S.Adult Psychiatric/Mental Health Clinical Nurse Specialist1851346654
- Cheryl Boss, ANP-CNPNurse Practitioner1760436109
Verify Nadia 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 036126158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,856 Medicare Part D claims for 754 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 111 claims were for opioids.
Most prescribed
- Atorvastatin Calcium724 claims
- Amlodipine Besylate492 claims
- Levothyroxine Sodium479 claims
- Losartan Potassium391 claims
- Metoprolol Succinate290 claims
- Metformin Hcl233 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: $826.21
33 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Dupage Medical Group LtdSchaumburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nadia Siddiqui among 7,238 internal medicine physician records in Illinois
Nadia Siddiqui, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2001 · median 2003 among the 3,580 with a school on file
- Record last updated2018 · 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 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 internal medicine physician records list a practice address in Orland Park
They are 30 of the 1,925 NPPES records with a practice address in Orland Park, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Orland Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pragathi Challa, MDOrland Park, IL 604621033116066
- Jack Czarlinski, M.D.Orland Park, IL 604621891894572
- James Dunne, MDOrland Park, IL 604621417944281
- Taj Elahi, MDOrland Park, IL 604621821023078
- Doris Hein, M.D.Orland Park, IL 604621265453997
- Alicja Kraska-Cwikla, M.D.Orland Park, IL 604621093802712
- George Kuefner, M.D.Orland Park, IL 604621427168442
- Salem Makdah, M.D.Orland Park, IL 604621760430557
Common questions
What is Nadia Siddiqui, M.D.'s NPI number?
Nadia Siddiqui, M.D.'s National Provider Identifier (NPI) is 1801052659, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Nadia Siddiqui, M.D. located?
The NPPES record lists a practice address at 15300 West Ave, Orland Park, IL, 60462. Phone: (708) 226-2440. Providers update this record themselves, so call before visiting.
How can I verify Nadia Siddiqui, M.D.'s license?
NPPES lists Illinois license number 036126158, 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 Nadia Siddiqui, M.D. prescribe under Medicare Part D?
In 2024, Nadia Siddiqui, M.D. had 8,856 Medicare Part D claims for 754 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.