Doctor profile · Federal record

Dr. Margaret Nyoro-O'Reilly, APRN

Nurse Practitioner · Family Nurse Practitioner · Columbia, SC

  • NPI 1679146187
  • 5 yrs on file
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Sc House Calls INC, 111 Doctors Circle
Columbia, SC 29203
(800) 491-0909

Credentials & registration

NPPES · NUCC
NPI registered
July 2021 — 5 yrs on file
Profile last updated
November 30, 2022
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
South Carolina #24983 · Georgia #GAA-NP000387

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679146187. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,984
Distinct HCPCS
6
Medicare allowed
$141,673
HCPCS Description Services Patients Avg allowed
99489 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 month 1,103 105 $55
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 478 153 $103
99487 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 month 251 105 $99
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 67 44 $50
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 66 36 $38
99497 Advance care planning, first 30 minutes 19 19 $66

In context: peer comparison

Among 43 peers in Columbia Nurse Practitioner, average services per provider: 158. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
611
Patients
256
Total drug cost
$23,780
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 70 34 $1,138
Gabapentin Generic 69 25 $1,246
Furosemide Generic 64 34 $388
Amlodipine Besylate Generic 55 25 $328
Losartan Potassium Generic 53 19 $827
Pantoprazole Sodium Generic 40 19 $855
Potassium Chloride Generic 35 13 $608
Lisinopril Generic 34 17 $231
Metformin Hcl Generic 33 14 $350
Hydralazine Hcl Generic 29 12 $264

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Nyoro-O'Reilly's medical specialty?
Dr. Margaret Nyoro-O'Reilly practices Nurse Practitioner in Columbia, SC.
Where does Dr. Margaret Nyoro-O'Reilly practice?
Dr. Margaret Nyoro-O'Reilly practices at Sc House Calls INC, Columbia, SC 29203. Office phone: 8004910909.
What is Dr. Margaret Nyoro-O'Reilly's NPI?
Dr. Margaret Nyoro-O'Reilly's National Provider Identifier (NPI) is 1679146187, issued by NPPES.
What procedures does Dr. Margaret Nyoro-O'Reilly commonly perform?
Top Medicare-reported procedures in 2023: Complex chronic care management services for two or more chronic conditions (HCPCS 99489); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Complex chronic care management services for two or more chronic conditions (HCPCS 99487). Source: CMS Medicare Physician & Other Practitioners file.