Nyal Siddiqi, D.O.
NPI 1952749426 · Infectious Disease Physician · Oak Park, IL
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nyal Siddiqi, D.O. is a Infectious Disease Physician provider in Oak Park, IL (NPI 1952749426).
Provider details
- NPI number
- 1952749426
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0056853 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,746 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 2,026 | $122 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 341 | $178 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 214 | $81 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 33 | $61 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 33 | $128 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 27 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 17 | 13 |
| Azithromycin | 15 | — |
| Imipenem/Cilastatin Sodiumbrand: Imipenem-Cilastatin Sodium | 15 | — |
| Ciprofloxacin Hcl | 14 | 13 |
| Ceftaroline Fosamil Acetatebrand: Teflaro | 12 | — |
| Fluconazole | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-06
- Last updated
- 2020-07-08
- Certified
- 2020-07-08
Frequently asked questions
- What is Nyal Siddiqi's NPI number?
- Nyal Siddiqi's National Provider Identifier (NPI) is 1952749426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nyal Siddiqi's specialty?
- Nyal Siddiqi is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nyal Siddiqi located?
- Nyal Siddiqi's practice location on file with NPPES is 610 S Maple Ave Ste 4050, Oak Park, IL 60304-1091.
- What is Nyal Siddiqi's phone number?
- The practice phone number listed in the NPPES registry for Nyal Siddiqi is (888) 220-6432.
- Does Nyal Siddiqi accept Medicare?
- Nyal Siddiqi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nyal Siddiqi's NPI active?
- Yes — Nyal Siddiqi's NPI (1952749426) is active in the NPPES registry as of the last update on 2020-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.