Charlene O'Reilly, NP
NPI 1174059455 · Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlene O'Reilly, NP is a Nurse Practitioner provider in Boston, MA (NPI 1174059455).
Provider details
- NPI number
- 1174059455
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- RN2273959 (MA)
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
9 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
259 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 | 125 | $117 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 89 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 29 | $166 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 16 | $119 |
Typical Medicare-allowed amounts for these services range $13–$166 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 156 | 67 |
| Atorvastatin Calcium | 111 | 42 |
| Amlodipine Besylate | 74 | 28 |
| Rosuvastatin Calcium | 66 | 26 |
| Losartan Potassium | 57 | 23 |
| Furosemide | 47 | 22 |
| Ezetimibe | 45 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-05
- Last updated
- 2017-05-05
Frequently asked questions
- What is Charlene O'Reilly's NPI number?
- Charlene O'Reilly's National Provider Identifier (NPI) is 1174059455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlene O'Reilly's specialty?
- Charlene O'Reilly is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Charlene O'Reilly located?
- Charlene O'Reilly's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Charlene O'Reilly's phone number?
- The practice phone number listed in the NPPES registry for Charlene O'Reilly is (617) 726-2000.
- Does Charlene O'Reilly accept Medicare?
- Charlene O'Reilly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlene O'Reilly's NPI active?
- Yes — Charlene O'Reilly's NPI (1174059455) is active in the NPPES registry as of the last update on 2017-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.