Ayman Nasir, M.D
NPI 1629503362 · Hospitalist Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ayman Nasir, M.D is a Hospitalist Physician provider in Chicago, IL (NPI 1629503362).
Provider details
- NPI number
- 1629503362
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- MD-48687 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,012 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 35 Minutes99232 | 500 | $72 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 158 | $105 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 134 | $45 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 126 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 82 | $160 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 26 | — |
| Furosemide | 21 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 20 |
| Pantoprazole Sodium | 19 | 17 |
| Escitalopram Oxalate | 17 | — |
| Metoprolol Tartrate | 16 | — |
| Amlodipine Besylate |
Practice location
Mailing address
Additional practice locations (3)
- 701 10th St Se # 701Cedar Rapids, IA 52403-1251Phone: (319) 861-7803
- 1401 Jefferson HwyNew Orleans, LA 70121-2426Phone: (504) 842-9216Fax: (504) 842-3193
- 3001 Hospital Drive 5th FloorPrince George'S Hospital Center, Department of MedicineCheverly, MD 20785Phone: (301) 618-3776Fax: (301) 618-2986
Registry dates
- Enumerated
- 2017-05-01
- Last updated
- 2026-02-09
- Certified
- 2026-02-09
Frequently asked questions
- What is Ayman Nasir's NPI number?
- Ayman Nasir's National Provider Identifier (NPI) is 1629503362, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ayman Nasir's specialty?
- Ayman Nasir is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Ayman Nasir located?
- Ayman Nasir's practice location on file with NPPES is 5145 N California Ave, Chicago, IL 60625-3661.
- What is Ayman Nasir's phone number?
- The practice phone number listed in the NPPES registry for Ayman Nasir is (847) 570-1027.
- Does Ayman Nasir accept Medicare?
- Ayman Nasir is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ayman Nasir's NPI active?
- Yes — Ayman Nasir's NPI (1629503362) is active in the NPPES registry as of the last update on 2026-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.