Mark Machalka, MD
NPI 1225084262 · Family Medicine Physician · Marshall, MI
Mark Machalka, MD is a Family Medicine Physician provider in Marshall, MI (NPI 1225084262).
Provider details
- NPI number
- 1225084262
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 4301083608 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 66 | 16 |
| Lisinopril | 64 | 13 |
| Levothyroxine Sodium | 63 | 19 |
| Metformin Hcl | 54 | — |
| Gabapentin | 51 | — |
| Omeprazole | 48 | — |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Machalka's NPI number?
- Mark Machalka's National Provider Identifier (NPI) is 1225084262, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Machalka's specialty?
- Mark Machalka is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Machalka located?
- Mark Machalka's practice location on file with NPPES is 1174 W Michigan Ave, Marshall, MI 49068-1497.
- What is Mark Machalka's phone number?
- The practice phone number listed in the NPPES registry for Mark Machalka is (269) 781-9867.
- Is Mark Machalka's NPI active?
- Yes — Mark Machalka's NPI (1225084262) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.