NPPES file of Aug 9, 2026

Katherine Lynne Holbrook, DO

Family Medicine Physician · Kirksville, MO

Katherine Lynne Holbrook, DO is a family medicine physician with a practice address in Kirksville, Missouri, and NPI 1053939363, issued on Jul 13, 2020. Check the license (Missouri 2023027509, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053939363
Name
Katherine Lynne Holbrook
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
2023027509 MO
Self-reported in NPPES; status is on the state search
Practice location
800 W Jefferson St, Kirksville, MO 63501
Phone
(660) 626-2223
Enumerated
Jul 13, 2020
Record last updated
Sep 20, 2023
Medicare enrollment
Enrolled (PECOS I20230725003040); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 800 W Jefferson St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicholas AckerleyStudent in an Organized Health Care Education/Training Program1093577488
  2. Mohammed AlashqarStudent in an Organized Health Care Education/Training Program1659184372
  3. Hajjer AmerStudent in an Organized Health Care Education/Training Program1821948738
  4. Adrian AngelesStudent in an Organized Health Care Education/Training Program1396695102
  5. Brian AppellStudent in an Organized Health Care Education/Training Program1619827656
  6. Brinn ArwoodStudent in an Organized Health Care Education/Training Program1528820040

Verify Katherine Lynne Holbrook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2023027509
    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 Missouri 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.

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57% more Medicare Part D claims than the average family medicine physician in 2024

5,556 Medicare Part D claims for 466 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 332 claims were for opioids.

  1. Katherine Holbrook5,556
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium273 claims
  2. Atorvastatin Calcium267 claims
  3. Omeprazole180 claims
  4. Lisinopril165 claims
  5. Metformin Hcl144 claims
  6. Amlodipine Besylate136 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.

Industry payments in 2024: $29.74

2 payments; by number, the most common kind was food and beverage; the largest payer was Grifols USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Holbrook$29.74
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. A T Still University OF Health SciencesKirksville, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine Lynne Holbrook among 2,991 family medicine physician records in Missouri

Katherine Lynne Holbrook, DO is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.

  • NPI issued2020 · 84% of these records are older, 12% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2019 · median 2006 among the 1,778 with a school on file
  • Record last updated2023 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

47 family medicine physician records list a practice address in Kirksville

They are 47 of the 713 NPPES records with a practice address in Kirksville, and 2,991 family medicine physician records in Missouri.

The 8 family medicine physician records with the nearest ZIP codes

  1. James Bowers, DOKirksville, MO 635011063493799
  2. Gary Bruning, DOKirksville, MO 635011578539318
  3. Gemma Ciesemier, DOKirksville, MO 635011093790966
  4. John Collins, DOKirksville, MO 635011689659559
  5. Melanie Grgurich, D.O.Kirksville, MO 635011316922214
  6. Wayne Hawkins, DOKirksville, MO 635011841275740
  7. John Knudsen, DOKirksville, MO 635011477538379
  8. Rex Lee, D.O.Kirksville, MO 635011922000272

Common questions

What is Katherine Lynne Holbrook, DO's NPI number?

Katherine Lynne Holbrook, DO's National Provider Identifier (NPI) is 1053939363, issued on Jul 13, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Lynne Holbrook, DO located?

The NPPES record lists a practice address at 800 W Jefferson St, Kirksville, MO, 63501. Phone: (660) 626-2223. Providers update this record themselves, so call before visiting.

How can I verify Katherine Lynne Holbrook, DO's license?

NPPES lists Missouri license number 2023027509, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Lynne Holbrook, DO prescribe under Medicare Part D?

In 2024, Katherine Lynne Holbrook, DO had 5,556 Medicare Part D claims for 466 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.