Doctor profile · Federal record

Dr. Karen Robertson, APRN

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Greenville, SC

  • NPI 1447225610
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
203 Mills Ave
Greenville, SC 296054019
(864) 271-1844
fax (864) 271-2147
Mailing address
Po Box 9159
Greenville, SC 296049159

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
South Carolina #APN2776

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447225610. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24,724
Distinct HCPCS
10
Medicare allowed
$89,662
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 22,500 17 $1
Q5106 Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units 1,260 18 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 373 260 $55
36415 Insertion of needle into vein for collection of blood sample 197 145 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 85 60 $77
96372 Injection of drug or substance under skin or into muscle 76 20 $11
99212 Established patient office or other outpatient visit, 10-19 minutes 60 34 $35
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 48 30 $243
G0421 Face-to-face educational services related to the care of chronic kidney disease; group, per session, per one hour 43 43 $21
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $133

In context: peer comparison

Among 9 peers in this city , average services per provider: 539. This provider delivers 46× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,668
Transactions
109
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 29 $3,983.02
Otsuka America Pharmaceutical, Inc. 29 $341.93
AstraZeneca Pharmaceuticals LP 12 $303.66
AKEBIA THERAPEUTICS INC 10 $238.04
ANI Pharmaceuticals, Inc. 4 $172.46
Novartis Pharmaceuticals Corporation 3 $155.54
Travere Therapeutics, Inc. 7 $149.62
Bayer Healthcare Pharmaceuticals Inc. 3 $60.35
Daiichi Sankyo Inc. 3 $57.60
Vifor Pharma, Inc. 3 $50.24
Mallinckrodt Hospital Products Inc. 2 $45.52
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $26.88
CALLIDITAS THERAPEUTICS US INC. 1 $24.64
OPKO Pharmaceuticals, LLC 1 $22.49
Ardelyx, Inc. 1 $20.51

By nature of payment

Consulting Fee
$2,300
Food and Beverage
$2,148
Travel and Lodging
$1,131
Education
$89

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
489
Patients
144
Total drug cost
$60,522
Drug Type Claims Patients Total cost
Sevelamer Carbonate Generic 52 12 $8,294
Amlodipine Besylate Generic 51 24 $449
Furosemide Generic 50 22 $347
Torsemide Generic 40 16 $1,117
Lisinopril Generic 37 17 $598
Auryxia (Ferric Citrate) Brand 35 0 $46,042
Hydralazine Hcl Generic 35 16 $531
Allopurinol Generic 32 12 $520
Carvedilol Generic 27 0 $537
Losartan Potassium Generic 27 12 $609

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Robertson's medical specialty?
Dr. Karen Robertson practices Adult Health Nurse Practitioner in Greenville, SC.
Where does Dr. Karen Robertson practice?
Dr. Karen Robertson practices at 203 Mills Ave, Greenville, SC 296054019. Office phone: 8642711844.
What is Dr. Karen Robertson's NPI?
Dr. Karen Robertson's National Provider Identifier (NPI) is 1447225610, issued by NPPES.
Does Dr. Karen Robertson accept Medicare assignment?
Yes. Dr. Karen Robertson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Robertson commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS Q5106); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.