Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Maria Marchenko, MD

Individual provider Pediatrics Physician · NPI 1821248451

Maria Marchenko, MD is a Pediatric Medicine in Sidney, Montana. Qualified in 1992, 34 years ago. Accepts Medicare assignment. Licensed in Alabama, Connecticut and Montana.

Years since qualifying
34
Licensed in
AL, CT, MT
In the registry since
2008
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

216 14th Ave SW
Sidney, MT 59270-3519
Phone: (406) 488-2100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 30913 (AL)
Pediatrics Physician Taxonomy 208000000X · Licence 046900 (CT)
Pediatrics Physician Taxonomy 208000000X · Licence 162004 (MT)

Record details

NPI number1821248451
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 18, 2008
Last updated in NPPESOctober 10, 2025
Certification dateOctober 10, 2025
Mailing address216 14th Ave Sw, Sidney, MT 59270-3519

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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