Helen Lonergan-Thomas, APN, CCNS-BC
NPI 1720221088 · Acute Care Clinical Nurse Specialist · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helen Lonergan-Thomas, APN, CCNS-BC is a Acute Care Clinical Nurse Specialist provider in Oak Lawn, IL (NPI 1720221088).
Provider details
- NPI number
- 1720221088
- Entity type
- Individual
- Primary specialty
- Acute Care Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN, CCNS-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 209.007100 (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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
335 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 | 335 | $69 |
Typical Medicare-allowed amounts for these services range $69–$69 (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 |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 196 | 88 |
| Ticagrelorbrand: Brilinta | 78 | 23 |
| Metoprolol Succinate | 45 | 26 |
| Atorvastatin Calcium | 40 | 21 |
| Carvedilol | 27 | 12 |
| Amlodipine Besylate | 19 | 13 |
| Apixaban |
Practice location
Mailing address
Additional practice locations (1)
- 3825 Highland AveDowners Grove, IL 60515-1552Phone: (630) 719-4799Fax: (630) 963-7420
Registry dates
- Enumerated
- 2009-04-15
- Last updated
- 2025-04-14
- Certified
- 2025-04-14
Frequently asked questions
- What is Helen Lonergan-Thomas's NPI number?
- Helen Lonergan-Thomas's National Provider Identifier (NPI) is 1720221088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Lonergan-Thomas's specialty?
- Helen Lonergan-Thomas is listed in the NPPES registry with a primary specialty of Acute Care Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Helen Lonergan-Thomas located?
- Helen Lonergan-Thomas's practice location on file with NPPES is 10837 S Cicero Ave Ste 200, Oak Lawn, IL 60453-6459.
- What is Helen Lonergan-Thomas's phone number?
- The practice phone number listed in the NPPES registry for Helen Lonergan-Thomas is (708) 636-7575.
- Does Helen Lonergan-Thomas accept Medicare?
- Helen Lonergan-Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helen Lonergan-Thomas's NPI active?
- Yes — Helen Lonergan-Thomas's NPI (1720221088) is active in the NPPES registry as of the last update on 2025-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.