Mary Lyons
NPI 1174006290 · Acute Care Clinical Nurse Specialist · Naperville, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lyons is a Acute Care Clinical Nurse Specialist provider in Naperville, IL (NPI 1174006290).
Provider details
- NPI number
- 1174006290
- Entity type
- Individual
- Primary specialty
- Acute Care Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 209002767 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
231 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 61 | $67 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 49 | $117 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 48 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 33 | $70 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 24 | $106 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$233 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-09-13
- Last updated
- 2021-03-09
- Certified
- 2021-03-09
Frequently asked questions
- What is Mary Lyons's NPI number?
- Mary Lyons's National Provider Identifier (NPI) is 1174006290, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lyons's specialty?
- Mary Lyons is listed in the NPPES registry with a primary specialty of Acute Care Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Lyons located?
- Mary Lyons's practice location on file with NPPES is 801 S Washington St, Naperville, IL 60540-7430.
- What is Mary Lyons's phone number?
- The practice phone number listed in the NPPES registry for Mary Lyons is (630) 527-3000.
- Does Mary Lyons accept Medicare?
- Mary Lyons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lyons's NPI active?
- Yes — Mary Lyons's NPI (1174006290) is active in the NPPES registry as of the last update on 2021-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.