Aaron M. Zook, M.D.
Internal Medicine Physician · Pratt, KS
Aaron M. Zook, M.D. is an internal medicine physician with a practice address in Pratt, Kansas, and NPI 1922274117, issued on May 7, 2008. Check the license (Kansas 0435371, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Aaron M. Zook
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0435371 KS
Self-reported in NPPES; status is on the state search - Practice location
- 420 Country Club RD, Pratt, KS 67124
- Phone
- (620) 672-7415
- Enumerated
- May 7, 2008
- Record last updated
- Mar 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (620) 672-7414
- Medicare enrollment
- Enrolled (PECOS I20111026000538); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,010 in Kansas → Look up another NPI →
Also registered at 420 Country Club RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Adelhardt, ARNPFamily Nurse Practitioner1477714509
- Barbara Cudney, M.D.Internal Medicine Physician1992746101
- Rachael Hauser, MDInternal Medicine Physician1033430566
- Brittney Johnson, PHARMDPharmacist1225525637
- Calvin Kruger, P.A.Physician Assistant1326089558
- Brittany Mead, APRNNurse Practitioner1962361162
Verify Aaron M. Zook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 0435371Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.4 times the Medicare Part D claims of the average internal medicine physician in 2024
23,575 Medicare Part D claims for 868 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 443 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,507 claims
- Pantoprazole Sodium902 claims
- Levothyroxine Sodium775 claims
- Gabapentin670 claims
- Rosuvastatin Calcium629 claims
- Potassium Chloride615 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 MIPS final score for 2023 (Medicare payment program): 99.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pratt Regional Medical Center CorporationPratt, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron M. Zook among 1,010 internal medicine physician records in Kansas
Aaron M. Zook, M.D. is one of 1,010 internal medicine physician records with a practice address in Kansas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 44% of them.
- NPI issued2008 · 44% of these records are older, 52% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2008 · median 2008 among the 568 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 internal medicine physician records list a practice address in Pratt
They are 4 of the 129 NPPES records with a practice address in Pratt, and 1,010 internal medicine physician records in Kansas.
All 1,010 in Kansas → Every provider in Pratt → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Barbara Cudney, M.D.Pratt, KS 671241992746101
- Rachael Hauser, MDPratt, KS 671241033430566
- Alan Pribil, M.D.Pratt, KS 671241659312221
- Kesha Crichlow, M.D.Newton, KS 671141154746782
- Stephanie Gibson, MDNewton, KS 671141679503262
- Robert Roeser, D.O.Newton, KS 671141689670960
- Marnie Van Becelaere, MDNewton, KS 671141659319051
- Dwight Wheeler, MDNewton, KS 671141134138308
Common questions
What is Aaron M. Zook, M.D.'s NPI number?
Aaron M. Zook, M.D.'s National Provider Identifier (NPI) is 1922274117, issued on May 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Aaron M. Zook, M.D. located?
The NPPES record lists a practice address at 420 Country Club RD, Pratt, KS, 67124. Phone: (620) 672-7415. Providers update this record themselves, so call before visiting.
How can I verify Aaron M. Zook, M.D.'s license?
NPPES lists Kansas license number 0435371, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aaron M. Zook, M.D. prescribe under Medicare Part D?
In 2024, Aaron M. Zook, M.D. had 23,575 Medicare Part D claims for 868 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Aaron M. Zook, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.4 of 100. 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.