Karen M. Warburton, MD
Nephrology Physician · Charlottesville, VA
Karen M. Warburton, MD is a nephrology physician with a practice address in Charlottesville, Virginia, and NPI 1619902756, issued on Jul 11, 2006. Check the license (Virginia 0101261144, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Karen M. Warburton
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 0101261144 VA
MD419924 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Jefferson Park Ave, Charlottesville, VA 22903
- Phone
- (434) 924-1984
- Enumerated
- Jul 11, 2006
- Record last updated
- Oct 10, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (434) 243-6284
- Medicaid ID
- 101442921 PA
- Medicare enrollment
- Enrolled (PECOS I20161114002321); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 327 in Virginia → Look up another NPI →
Also registered at 1300 Jefferson Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emaad Abdel-RahmanNephrology Physician1164591780
- Yazan Abu Orabi Al-Adwan, MDTransplant Surgery Physician1023640687
- Ahmed Ahmed, MDOphthalmology Physician1003443680
- Jayakrishna Ambati, MDOphthalmology Physician1295845154
- Virginia Andersen, PHD,M.ED, ED.S.Clinical Psychologist1063721538
- Christine Arcidicono, PMHNP- DNPPsychiatric/Mental Health Nurse Practitioner1588216014
Verify Karen M. Warburton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101261144Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average nephrology physician in 2024
462 Medicare Part D claims for 50 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone74 claims
- Carvedilol56 claims
- Tacrolimus37 claims
- Amlodipine Besylate33 claims
- Mycophenolate Mofetil25 claims
- Losartan Potassium23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Virginia Physicians GroupCharlottesville, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen M. Warburton among 327 nephrology physician records in Virginia
Karen M. Warburton, MD is one of 327 nephrology physician records with a practice address in Virginia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 50% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1999 · median 2001 among the 242 with a school on file
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Virginia
There are 327 nephrology physician records in Virginia.
All 327 in Virginia → Every provider in Charlottesville → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Emaad Abdel-RahmanCharlottesville, VA 229031164591780
- Alden Doyle, MDCharlottesville, VA 229031881629921
- Kundan Jana, MBBSCharlottesville, VA 229031649899691
- Jeanne Kamal, MDCharlottesville, VA 229031760822704
- Sana Khan, M.D.Charlottesville, VA 229031689909145
- Angie Nishio Lucar, M.D.Charlottesville, VA 229031891986485
- Yeshwanter Radhakrishnan, MDCharlottesville, VA 229031437635216
- Swati Rao, M.D.Charlottesville, VA 229031790985778
Common questions
What is Karen M. Warburton, MD's NPI number?
Karen M. Warburton, MD's National Provider Identifier (NPI) is 1619902756, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen M. Warburton, MD located?
The NPPES record lists a practice address at 1300 Jefferson Park Ave, Charlottesville, VA, 22903. Phone: (434) 924-1984. Providers update this record themselves, so call before visiting.
How can I verify Karen M. Warburton, MD's license?
NPPES lists Virginia license number 0101261144, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen M. Warburton, MD prescribe under Medicare Part D?
In 2024, Karen M. Warburton, MD had 462 Medicare Part D claims for 50 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Karen M. Warburton, MD's MIPS final score?
The 2023 MIPS final score is 79.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.