Eilis Ryan, MD
NPI 1487993911 · Emergency Medicine Physician · Maywood, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eilis Ryan, MD is a Emergency Medicine Physician provider in Maywood, IL (NPI 1487993911).
Provider details
- NPI number
- 1487993911
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036087253 (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
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
274 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 204 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $124 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 11 | $117 |
Typical Medicare-allowed amounts for these services range $87–$124 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 34 | 32 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 30 | 29 |
| Cephalexin | 28 | 27 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 20 | 19 |
| Amoxicillin | 18 | 18 |
| Fluticasone Propionate | 16 | 13 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-02-04
- Last updated
- 2023-10-10
- Certified
- 2023-10-10
Frequently asked questions
- What is Eilis Ryan's NPI number?
- Eilis Ryan's National Provider Identifier (NPI) is 1487993911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eilis Ryan's specialty?
- Eilis Ryan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eilis Ryan located?
- Eilis Ryan's practice location on file with NPPES is 2160 S 1st Ave, Maywood, IL 60153-3328.
- What is Eilis Ryan's phone number?
- The practice phone number listed in the NPPES registry for Eilis Ryan is (708) 216-9000.
- Does Eilis Ryan accept Medicare?
- Eilis Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eilis Ryan's NPI active?
- Yes — Eilis Ryan's NPI (1487993911) is active in the NPPES registry as of the last update on 2023-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.