Clarence Tucker Joustra, DO
Family Medicine Physician · Lamar, MO
Clarence Tucker Joustra, DO is a family medicine physician with a practice address in Lamar, Missouri, and NPI 1942202080, issued on Aug 10, 2005. Check the license (Missouri R9G86, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Clarence Tucker Joustra
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R9G86 MO
Self-reported in NPPES; status is on the state search - Practice location
- 805 Gulf St, Lamar, MO 64759
- Phone
- (417) 682-5508
- Enumerated
- Aug 10, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (417) 682-5594
- Medicare enrollment
- Enrolled (PECOS I20100301000424); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1986
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Verify Clarence Tucker Joustra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R9G86Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average family medicine physician in 2024
15,219 Medicare Part D claims for 540 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 1,012 claims were for opioids.
Most prescribed
- Levothyroxine Sodium561 claims
- Hydrocodone-Acetaminophen440 claims
- Lisinopril423 claims
- Gabapentin409 claims
- Amlodipine Besylate357 claims
- Carvedilol319 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): 21.9 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).
Industry payments in 2024: $206.38
11 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Clarence Tucker Joustra among 2,991 family medicine physician records in Missouri
Clarence Tucker Joustra, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1986 · median 2006 among the 1,778 with a school on file
- Record last updated2007 · 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).
5 family medicine physician records list a practice address in Lamar
They are 5 of the 65 NPPES records with a practice address in Lamar, and 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Lamar → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Alden, D.O.Lamar, MO 647591710063078
- Thomas Hopkins, MDLamar, MO 647591689717456
- Joshua Williams, MDLamar, MO 647591295269348
- Joseph Wilson, D.O.Lamar, MO 647591235169723
- Judy Parton, MDLiberal, MO 647621407913833
- Jennifer Conley, M.D.Nevada, MO 647721194720862
- Russell Kemm, D.O.Nevada, MO 647721649277831
- Byron Perkinson, M.D.Nevada, MO 647721104854660
Common questions
What is Clarence Tucker Joustra, DO's NPI number?
Clarence Tucker Joustra, DO's National Provider Identifier (NPI) is 1942202080, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Clarence Tucker Joustra, DO located?
The NPPES record lists a practice address at 805 Gulf St, Lamar, MO, 64759. Phone: (417) 682-5508. Providers update this record themselves, so call before visiting.
How can I verify Clarence Tucker Joustra, DO's license?
NPPES lists Missouri license number R9G86, 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 Clarence Tucker Joustra, DO prescribe under Medicare Part D?
In 2024, Clarence Tucker Joustra, DO had 15,219 Medicare Part D claims for 540 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Clarence Tucker Joustra, DO's MIPS final score?
The 2023 MIPS final score is 21.9 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.