Mark Z. Machalka, MD
Family Medicine Physician · Marshall, MI
Mark Z. Machalka, MD is a family medicine physician with a practice address in Marshall, Michigan, and NPI 1225084262, issued on May 25, 2006. Check the license (Michigan 4301083608, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mark Z. Machalka
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301083608 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1174 W Michigan Ave, Marshall, MI 49068
- Phone
- (269) 781-9867
- Enumerated
- May 25, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (269) 781-9126
- Medicaid ID
- 4635811 MI
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 1174 W Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Applebey, FNP-BCNurse Practitioner1558646976
- Lina Keeney-FuhrMedical Physician Assistant1669427357
- Kevin Kelch, PAPhysician Assistant1982902854
- Edward Liscombe, PA-CMedical Physician Assistant1003861378
- Taylor Reed, PAPhysician Assistant1932947645
- Timothy Taylor, PA-CPhysician Assistant1568898666
Verify Mark Z. Machalka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301083608Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average family medicine physician in 2024
1,864 Medicare Part D claims for 95 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 141 claims were for opioids.
Most prescribed
- Atorvastatin Calcium66 claims
- Lisinopril64 claims
- Levothyroxine Sodium63 claims
- Metformin Hcl54 claims
- Gabapentin51 claims
- Omeprazole48 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.
Mark Z. Machalka among 6,013 family medicine physician records in Michigan
Mark Z. Machalka, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 58% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 family medicine physician records list a practice address in Marshall
They are 18 of the 309 NPPES records with a practice address in Marshall, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Marshall → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sami Ahmed, M.D.Marshall, MI 490681013355569
- Rick AriasMarshall, MI 490681124588199
- David Byrens, M.D.Marshall, MI 490681902874126
- James Dobbins, MDMarshall, MI 490681508805706
- Melissa Gates, D.O.Marshall, MI 490681417362039
- Brittany Irey Heisler, M.D.Marshall, MI 490681922323872
- Alicia Julovich, MDMarshall, MI 490681669852711
- Jamie Longhurst, DOMarshall, MI 490681790983609
Common questions
What is Mark Z. Machalka, MD's NPI number?
Mark Z. Machalka, MD's National Provider Identifier (NPI) is 1225084262, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Z. Machalka, MD located?
The NPPES record lists a practice address at 1174 W Michigan Ave, Marshall, MI, 49068. Phone: (269) 781-9867. Providers update this record themselves, so call before visiting.
How can I verify Mark Z. Machalka, MD's license?
NPPES lists Michigan license number 4301083608, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Z. Machalka, MD prescribe under Medicare Part D?
In 2024, Mark Z. Machalka, MD had 1,864 Medicare Part D claims for 95 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.