Nazia Ayub, MD
NPI 1174812267 · Hospitalist Physician · Winfield, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nazia Ayub, MD is a Hospitalist Physician provider in Winfield, IL (NPI 1174812267).
Provider details
- NPI number
- 1174812267
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036.135200 (IL)
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
15 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
806 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 | 440 | $120 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 163 | $176 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 158 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 45 | $80 |
Typical Medicare-allowed amounts for these services range $80–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Metoprolol Succinate | 18 | — |
| Pantoprazole Sodium | 15 | 11 |
| Prednisone | 15 | 15 |
| Cephalexin | 14 | 13 |
| Apixabanbrand: Eliquis | 14 | — |
| Metoprolol Tartrate | 13 | — |
| Furosemide | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-29
- Last updated
- 2024-02-14
- Certified
- 2024-02-14
Frequently asked questions
- What is Nazia Ayub's NPI number?
- Nazia Ayub's National Provider Identifier (NPI) is 1174812267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nazia Ayub's specialty?
- Nazia Ayub is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Nazia Ayub located?
- Nazia Ayub's practice location on file with NPPES is 25 N Winfield Rd Ste 400, Winfield, IL 60190-1379.
- What is Nazia Ayub's phone number?
- The practice phone number listed in the NPPES registry for Nazia Ayub is (630) 456-7178.
- Does Nazia Ayub accept Medicare?
- Nazia Ayub is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nazia Ayub's NPI active?
- Yes — Nazia Ayub's NPI (1174812267) is active in the NPPES registry as of the last update on 2024-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.