Maria Marchenko M.D.
About this NPIWhat this record shows.
NPI 1821248451 is registered to Maria Marchenko M.D., a Pediatrics practising at 216 14th Ave Sw in Sidney, Montana. Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21. Maria Marchenko M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2008.
Your brand here.
Medicare enrollment
This provider holds 3 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20110701000088Pediatric MedicineAL
- I20200527002309Pediatric MedicineND
- I20251204000481Pediatric MedicineMT
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Maria Marchenko M.D. accepts. To confirm in-network status with your specific health plan, contact Maria Marchenko M.D. directly at (406) 488-2100.
Frequently asked
Yes. NPI 1821248451 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (406) 488-2100.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Maria Marchenko M.D. is a Type-1 individual NPI.