NPPES file of Aug 9, 2026

Carina Crookston, MD

Family Medicine Physician · West Union, IA

Carina Crookston, MD is a family medicine physician with a practice address in West Union, Iowa, and NPI 1699131474, issued on Jan 8, 2016. Check the license (Iowa 46722, as entered in NPPES) on the Iowa Board of Medicine; 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
1699131474
Name
Carina Crookston
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
46722 IA
4301108917 MI
Self-reported in NPPES; status is on the state search
Practice location
110 Jefferson St, West Union, IA 52175
Phone
(563) 422-3817
Enumerated
Jan 8, 2016
Record last updated
Jan 2, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20240903001230); may accept 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 110 Jefferson St

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

  1. Bruce Baker, PAMedical Physician Assistant1831191899
  2. Darcy Connelly, PAMedical Physician Assistant1235134594
  3. Andrea Dietzenbach, P.A.Medical Physician Assistant1205141835
  4. Easton HalversonFamily Medicine Physician1659205045
  5. Kenneth Miller, DOFamily Medicine Physician1225031883
  6. Kirstin Nelson-Lerch, PA-CMedical Physician Assistant1184900755

Verify Carina Crookston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 46722
    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 Iowa 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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37% more Medicare Part D claims than the average family medicine physician in 2024

4,839 Medicare Part D claims for 319 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 32 claims were for opioids.

  1. Carina Crookston4,839
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium324 claims
  2. Levothyroxine Sodium290 claims
  3. Lisinopril224 claims
  4. Omeprazole178 claims
  5. Amlodipine Besylate170 claims
  6. Sertraline Hcl151 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.

Bills Medicare through one group practice

  1. United Hospital District IncFairmont, MN

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

Carina Crookston among 2,336 family medicine physician records in Iowa

Carina Crookston, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 22% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2015 · median 2006 among the 1,367 with a school on file
  • Record last updated2020 · 61% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 family medicine physician records list a practice address in West Union

They are 5 of the 75 NPPES records with a practice address in West Union, and 2,336 family medicine physician records in Iowa.

The 8 family medicine physician records with the nearest ZIP codes

  1. Easton HalversonWest Union, IA 521751659205045
  2. Kenneth Miller, DOWest Union, IA 521751225031883
  3. Chaudri Rasool, DOWest Union, IA 521751285636456
  4. Geralyn Zuercher, M.D.West Union, IA 521751043257496
  5. Amanda Dolley, DOWaukon, IA 521721730755513
  6. Kenneth Olson, MDWaukon, IA 521721598746679
  7. Benjamin Ross, MDWaukon, IA 521721013177484
  8. David Schwartz, MDWaukon, IA 521721528058062

Common questions

What is Carina Crookston, MD's NPI number?

Carina Crookston, MD's National Provider Identifier (NPI) is 1699131474, issued on Jan 8, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Carina Crookston, MD located?

The NPPES record lists a practice address at 110 Jefferson St, West Union, IA, 52175. Phone: (563) 422-3817. Providers update this record themselves, so call before visiting.

How can I verify Carina Crookston, MD's license?

NPPES lists Iowa license number 46722, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Carina Crookston, MD prescribe under Medicare Part D?

In 2024, Carina Crookston, MD had 4,839 Medicare Part D claims for 319 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.