Tahseen J. Siddiqui, M. D.
Infectious Disease Physician · Orland Park, IL
Tahseen J. Siddiqui, M. D. is an infectious disease physician with a practice address in Orland Park, Illinois, and NPI 1487715264, issued on Dec 13, 2006. Check the license (Illinois 036-105217, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Tahseen J. Siddiqui
- Credential
- M. D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 036-105217 IL
Self-reported in NPPES; status is on the state search - Practice location
- 11113 Woodstock Dr, Orland Park, IL 60467
- Phone
- (708) 351-0292
- Enumerated
- Dec 13, 2006
- Record last updated
- Feb 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (760) 825-8825
- Medicaid ID
- 036-105217 IL
- Medicare enrollment
- Enrolled (PECOS I20070626000280); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Verify Tahseen J. 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 036-105217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average infectious disease physician in 2024
179 Medicare Part D claims for 38 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Biktarvy33 claims
- Amoxicillin-Clavulanate Potass16 claims
- Levofloxacin16 claims
- Symtuza12 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: $190.57
4 payments; by number, the most common kind was food and beverage; the largest payer was Shionogi Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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
- TJ Siddiqui IncChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tahseen J. Siddiqui among 464 infectious disease physician records in Illinois
Tahseen J. Siddiqui, M. D. is one of 464 infectious disease physician records with a practice address in Illinois. 79% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1986 · median 2004 among the 311 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Orland Park → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- John Andreoni, MDPalos Heights, IL 604631225024508
- Godofredo Carandang, MDPalos Heights, IL 604631346235934
- Ankur Dave, D.OPalos Heights, IL 604631225327919
- Kiran Dhillon, M.D.Palos Heights, IL 604631053383125
- Dana MuellerPalos Heights, IL 604631770140915
- Gregory Olson, M.D.Palos Heights, IL 604631326428103
- Bhagavatula Ramakrishna, MDPalos Heights, IL 604631629063243
- Kathleen Ruggero, DOPalos Heights, IL 604631861487464
Common questions
What is Tahseen J. Siddiqui, M. D.'s NPI number?
Tahseen J. Siddiqui, M. D.'s National Provider Identifier (NPI) is 1487715264, issued on Dec 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tahseen J. Siddiqui, M. D. located?
The NPPES record lists a practice address at 11113 Woodstock Dr, Orland Park, IL, 60467. Phone: (708) 351-0292. Providers update this record themselves, so call before visiting.
How can I verify Tahseen J. Siddiqui, M. D.'s license?
NPPES lists Illinois license number 036-105217, 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 Tahseen J. Siddiqui, M. D. prescribe under Medicare Part D?
In 2024, Tahseen J. Siddiqui, M. D. had 179 Medicare Part D claims for 38 beneficiaries; the average among infectious disease physician prescribers was 689. 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.