Registry data as of Aug 27, 2026

Katherine Donaldson, M.D.

Nephrology Physician · Lexington, KY

Katherine Donaldson, M.D. is a nephrology physician with a practice address in Lexington, Kentucky, and NPI 1619359148, issued on Jun 21, 2015. Check the license (Kentucky 51430, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1619359148
Name
Katherine Donaldson
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
51430 KY
Self-reported in NPPES; status is on the state search
Practice location
800 S Limestone, Lexington, KY 40536
Phone
(859) 394-3794
Enumerated
Jun 21, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Katherine Donaldson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 51430
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Kentucky license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

28% fewer Medicare Part D claims than the average nephrology physician in 2024

1,082 Medicare Part D claims for 149 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Katherine Donaldson1,082
  2. Specialty average1,511

Most prescribed

  1. Amlodipine Besylate99 claims
  2. Hydralazine Hcl88 claims
  3. Nifedipine Er85 claims
  4. Lisinopril80 claims
  5. Calcitriol56 claims
  6. Carvedilol43 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 Medicare quality score for 2023: 100 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.

  1. Qualityout of 100 · 30% of the final score
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Kentucky Medical Services Foundation, IncLexington, KY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Nephrology Physician providers in Kentucky

There are 123 nephrology physician records in Kentucky.

Other nephrology physician records in Kentucky

  1. Shafic Abdul Wahab El Hindi, M.D.Louisville, KY1487979456
  2. Hisham Abu FarsakPaducah, KY1346736857
  3. Alexander Afanasyev, MDLouisville, KY1972505030
  4. Sadiq Ahmed, M.D.Lexington, KY1912920679
  5. Rizwan Akhtar, M.D.Richmond, KY1669695649
  6. Timi Akins, MDMadisonville, KY1023099561
  7. Raza Ali, MDLouisville, KY1619933074
  8. Shaukat Ali, M.D.Paducah, KY1700956844
  9. Adam Alperstein, M.D.Lexington, KY1164803300
  10. Zygimantas Alsauskas, M.D.Louisville, KY1104085455

Common questions

What is Katherine Donaldson, M.D.'s NPI number?

Katherine Donaldson, M.D.'s National Provider Identifier (NPI) is 1619359148, issued on Jun 21, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Donaldson, M.D. located?

The NPPES record lists a practice address at 800 S Limestone, Lexington, KY, 40536. Phone: (859) 394-3794. Providers update this record themselves, so call before visiting.

How can I verify Katherine Donaldson, M.D.'s license?

NPPES lists Kentucky license number 51430, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Donaldson, M.D. prescribe under Medicare Part D?

In 2024, Katherine Donaldson, M.D. had 1,082 Medicare Part D claims for 149 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.

What is Katherine Donaldson, M.D.'s Medicare quality score?

The 2023 MIPS final score is 100 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.