Doctor profile · Federal record

Dr. Karen Warburton, MD

Nephrology Physician (CMS: Nephrology) · Nephrology Physician · Charlottesville, VA

  • NPI 1619902756
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 27 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1300 Jefferson Park Ave, West Complex, 5Th Floor
Charlottesville, VA 229033363
(434) 924-1984
fax (434) 243-6284
Mailing address
Po Box 9007
Charlottesville, VA 229069007

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
October 10, 2016
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Virginia #0101261144 · Pennsylvania #MD419924
Medicaid
PA #101442921

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619902756. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
76
Distinct HCPCS
2
Medicare allowed
$8,066
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 43 22 $79
99215 Established patient office or other outpatient visit, 40-54 minutes 33 23 $142

In context: peer comparison

Among 9 peers in Charlottesville Nephrology Physician, average services per provider: 72. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
360
Patients
52
Total drug cost
$9,341
Drug Type Claims Patients Total cost
Prednisone Generic 79 21 $688
Carvedilol Generic 56 20 $624
Amlodipine Besylate Generic 28 11 $215
Pravastatin Sodium Generic 27 0 $388
Nifedipine ER (Nifedipine) Brand 24 0 $749
Cinacalcet Hcl Generic 23 0 $1,866
Losartan Potassium Generic 21 0 $326
Furosemide Generic 19 0 $180
Famotidine Generic 17 0 $305
Pantoprazole Sodium Generic 15 0 $119

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Warburton's medical specialty?
Dr. Karen Warburton practices Nephrology Physician in Charlottesville, VA.
Where does Dr. Karen Warburton practice?
Dr. Karen Warburton practices at 1300 Jefferson Park Ave, Charlottesville, VA 229033363. Office phone: 4349241984.
What is Dr. Karen Warburton's NPI?
Dr. Karen Warburton's National Provider Identifier (NPI) is 1619902756, issued by NPPES.
Does Dr. Karen Warburton accept Medicare assignment?
Yes. Dr. Karen Warburton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Warburton commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.