Mark T. Klucka, D.O.
Family Medicine Physician · Alton, IL
Mark T. Klucka, D.O. is a family medicine physician with a practice address in Alton, Illinois, and NPI 1801902432, issued on Aug 23, 2006. Check the license (Illinois 036077227, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark T. Klucka
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036077227 IL
036.077227 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4 Memorial Dr Ste 230, Alton, IL 62002
- Phone
- (618) 463-7874
- Enumerated
- Aug 23, 2006
- Record last updated
- Sep 19, 2025
- Medicaid ID
- 036077227 IL
- Medicare enrollment
- Enrolled (PECOS I20240917002110); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 1983
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 4 Memorial Dr Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Audrey Brennan, FNP-CNurse Practitioner1679231690
- Brandy Byrd, FNPNurse Practitioner1902217540
- Emily Cottrell, FNP-BCNurse Practitioner1295262459
- Kaycee Eyers, FNPFamily Nurse Practitioner1750818522
Verify Mark T. Klucka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036077227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
438 Medicare Part D claims for 166 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Omeprazole151 claims
- Pantoprazole Sodium64 claims
- Dicyclomine Hcl23 claims
- Famotidine20 claims
- Esomeprazole Magnesium12 claims
- Metronidazole12 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): 94.6 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: $350.11
13 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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.
Bills Medicare through one group practice
- Fairview Heights Medical Group SCAlton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark T. Klucka among 6,215 family medicine physician records in Illinois
Mark T. Klucka, D.O. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1983 · median 2006 among the 3,714 with a school on file
- Record last updated2025 · 54% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 family medicine physician records list a practice address in Alton
They are 37 of the 1,113 NPPES records with a practice address in Alton, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Alton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Laura Bird, M.D.Alton, IL 620021295720993
- Kevin Boyd, D.O.Alton, IL 620021407962012
- Jaleesa Gilbert-Gortman, MDAlton, IL 620021710484332
- Victor Hidalgo, M.D.Alton, IL 620021235353830
- Michael Klein, M.D.Alton, IL 620021790834737
- Priya Kumaraguru, M.D.Alton, IL 620021902062862
- Mena Luangjamekorn, MDAlton, IL 620021255320578
- Megha Manek, MDAlton, IL 620021841446473
Common questions
What is Mark T. Klucka, D.O.'s NPI number?
Mark T. Klucka, D.O.'s National Provider Identifier (NPI) is 1801902432, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark T. Klucka, D.O. located?
The NPPES record lists a practice address at 4 Memorial Dr Ste 230, Alton, IL, 62002. Phone: (618) 463-7874. Providers update this record themselves, so call before visiting.
How can I verify Mark T. Klucka, D.O.'s license?
NPPES lists Illinois license number 036077227, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark T. Klucka, D.O. prescribe under Medicare Part D?
In 2024, Mark T. Klucka, D.O. had 438 Medicare Part D claims for 166 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mark T. Klucka, D.O.'s MIPS final score?
The 2023 MIPS final score is 94.6 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.