Margaret Nyoro-O'Reilly, APRN
NPI 1679146187 · Nurse Practitioner · Columbia, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Nyoro-O'Reilly, APRN is a Nurse Practitioner provider in Columbia, SC (NPI 1679146187).
Provider details
- NPI number
- 1679146187
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 24983 (SC)
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
4 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
1,857 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) |
|---|---|---|
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, Each Additional 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99489 | 1,213 | $56 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 199 | $100 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 196 | $105 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 112 | $38 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 70 | $50 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 176 | 37 |
| Levothyroxine Sodium | 111 | 26 |
| Losartan Potassium | 85 | 22 |
| Amlodipine Besylate | 75 | 26 |
| Furosemide | 67 | 20 |
| Tamsulosin Hcl | 62 | 11 |
| Quetiapine Fumarate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-07-22
- Last updated
- 2022-11-30
- Certified
- 2022-11-30
Frequently asked questions
- What is Margaret Nyoro-O'Reilly's NPI number?
- Margaret Nyoro-O'Reilly's National Provider Identifier (NPI) is 1679146187, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Nyoro-O'Reilly's specialty?
- Margaret Nyoro-O'Reilly is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Nyoro-O'Reilly located?
- Margaret Nyoro-O'Reilly's practice location on file with NPPES is Sc House Calls Inc, Columbia, SC 29203.
- What is Margaret Nyoro-O'Reilly's phone number?
- The practice phone number listed in the NPPES registry for Margaret Nyoro-O'Reilly is (800) 491-0909.
- Does Margaret Nyoro-O'Reilly accept Medicare?
- Margaret Nyoro-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 Margaret Nyoro-O'Reilly's NPI active?
- Yes — Margaret Nyoro-O'Reilly's NPI (1679146187) is active in the NPPES registry as of the last update on 2022-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.