Marguerite O'Donnell, FNP
NPI 1144501081 · Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marguerite O'Donnell, FNP is a Nurse Practitioner provider in Chicago, IL (NPI 1144501081).
Provider details
- NPI number
- 1144501081
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 209.010649 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
14 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
157 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 93 | $111 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 18 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $147 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 16 | $12 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 13 | $3 |
Typical Medicare-allowed amounts for these services range $3–$147 (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 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 104 | 42 |
| Atorvastatin Calcium | 64 | 28 |
| Rosuvastatin Calcium | 56 | 29 |
| Baclofen | 51 | 37 |
| Amlodipine Besylate | 50 | 27 |
| Losartan Potassium | 43 | 23 |
| Pantoprazole Sodium |
Practice location
Mailing address
Additional practice locations (1)
- 20201 Crawford Ave1403Olympia Fields, IL 60461-1010Phone: (708) 679-2130Fax: (708) 679-2260
Registry dates
- Enumerated
- 2011-09-06
- Last updated
- 2025-04-23
- Certified
- 2025-04-23
Frequently asked questions
- What is Marguerite O'Donnell's NPI number?
- Marguerite O'Donnell's National Provider Identifier (NPI) is 1144501081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marguerite O'Donnell's specialty?
- Marguerite O'Donnell is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marguerite O'Donnell located?
- Marguerite O'Donnell's practice location on file with NPPES is 9831 S Western Ave, Chicago, IL 60643-1740.
- What is Marguerite O'Donnell's phone number?
- The practice phone number listed in the NPPES registry for Marguerite O'Donnell is (773) 445-3500.
- Does Marguerite O'Donnell accept Medicare?
- Marguerite O'Donnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marguerite O'Donnell's NPI active?
- Yes — Marguerite O'Donnell's NPI (1144501081) is active in the NPPES registry as of the last update on 2025-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.