NPPES file of Aug 9, 2026

Nyal Siddiqi, D.O.

Infectious Disease Physician · Oak Park, IL

Nyal Siddiqi, D.O. is an infectious disease physician with a practice address in Oak Park, Illinois, and NPI 1952749426, issued on Jun 6, 2013. Check the license (Illinois 036146319, 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
1952749426
Name
Nyal Siddiqi
Credential
D.O.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
036146319 IL
DR.0056853 CO
Self-reported in NPPES; status is on the state search
Practice location
610 S Maple Ave Ste 4050, Oak Park, IL 60304
Phone
(888) 220-6432
Enumerated
Jun 6, 2013
Record last updated
Jul 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(708) 613-4382
Medicare enrollment
Enrolled (PECOS I20200818001476); accepts Medicare assignment
Medical or professional school
Midwestern University College Of Dental Medicine, Downers Grove, 2013
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 610 S Maple Ave Ste 4050

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

  1. Marcella McGuinn, MDInfectious Disease Physician1528083987
  2. Daniel Stroupe, MDInfectious Disease Physician1003923426

Verify Nyal Siddiqi 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 036146319
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

66% fewer Medicare Part D claims than the average infectious disease physician in 2024

233 Medicare Part D claims for 73 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Nyal Siddiqi233
  2. Specialty average689

Most prescribed

  1. Doxycycline Hyclate27 claims
  2. Amoxicillin-Clavulanate Potass17 claims
  3. Azithromycin15 claims
  4. Imipenem-Cilastatin Sodium15 claims
  5. Ciprofloxacin Hcl14 claims
  6. Teflaro12 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.

Bills Medicare through one group practice

  1. Metro Infectious Disease Consultants LLCOak Park, IL

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

Nyal Siddiqi among 464 infectious disease physician records in Illinois

Nyal Siddiqi, D.O. 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 2013, is newer than 72% of them.

  • NPI issued2013 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2013 · median 2004 among the 311 with a school on file
  • Record last updated2020 · 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.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Nausica D' Alfonso- Laghi, MDOak Park, IL 603041831268432
  2. Iram Enayet, MDOak Park, IL 603041366511966
  3. Ana Istrate, MD, MSOak Park, IL 603041568081362
  4. Marcella McGuinn, MDOak Park, IL 603041528083987
  5. Daniel Stroupe, MDOak Park, IL 603041003923426
  6. Malcolm Deam, MDOak Park, IL 603021598750549
  7. Deepti Chauhan, M.D.Oak Park, IL 603011689812554
  8. Alice HanOak Park, IL 603011669631339

Common questions

What is Nyal Siddiqi, D.O.'s NPI number?

Nyal Siddiqi, D.O.'s National Provider Identifier (NPI) is 1952749426, issued on Jun 6, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Nyal Siddiqi, D.O. located?

The NPPES record lists a practice address at 610 S Maple Ave Ste 4050, Oak Park, IL, 60304. Phone: (888) 220-6432. Providers update this record themselves, so call before visiting.

How can I verify Nyal Siddiqi, D.O.'s license?

NPPES lists Illinois license number 036146319, 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 Nyal Siddiqi, D.O. prescribe under Medicare Part D?

In 2024, Nyal Siddiqi, D.O. had 233 Medicare Part D claims for 73 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.