Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1821248451 Individual Practitioner Female Practitioner

Dr. Maria Marchenko , MD

Pediatrics • Sidney, MT

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Maria Marchenko, MD is a certified Pediatrics practicing in Sidney, MT. With approximately 34 years of clinical experience since completing medical education in 1992, Dr. Marchenko delivers high-quality medical care to the local community at 216 14TH AVE SW.

Dr. Marchenko accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

216 14th Ave Sw

Sidney, MT 592703519

Telephone 4064882100
Associated Practice Facility / Clinic
🏢 Sidney Health Center Facility NPI 1790771699

Medicare Profile & Education

Medical School

Other

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Sidney, MT

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
34 Yrs Matches City Avg
City Avg: 34.0 Yrs
State Avg: 19.9 Yrs
Regional Practice Density
3 Specialists

Practicing in Sidney, MT (165 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marchenko (34 Years) 34 Yrs
Sidney Specialty Average (34.0 Years) 34.0 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-10-10
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License AL 30913

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License CT 046900

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License MT 162004

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

33 Associated Practitioners
Adam Milton , CRNA

Nurse Anesthetist, Certified Registered

NPI 1033861679

Certified Registered Nurse Anesthetist

NPI 1083373369

Advanced Practice Registered Nurse, Adult-Gerontology Nurse Practitioner (Certified)

Dr. James Scott , MD

Orthopaedic Surgery

NPI 1134111750

Doctor of Medicine (M.D.)

NPI 1174082556

Doctor of Osteopathic Medicine (D.O.)

NPI 1184618928

Doctor of Medicine (M.D.)

Adrianne Bryant , PA-C

Physician Assistant

NPI 1205411899

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events
📍
Updated Practice Location October 10, 2025

Registered at 216 14TH AVE SW, SIDNEY, MT 592703519 (Tel: 4064882100)

📍
Updated Business Mailing Address October 10, 2025

Registered at 216 14TH AVE SW, SIDNEY, MT 592703519 (Tel: 4064882100)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 21, 2022

Pediatrics (License #046900 in CT)

NPI Profile Active June 15, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location June 15, 2017

Registered at 516 QUINTARD AVE, ANNISTON, AL 362015711 (Tel: (256) 741-9799)

📍
Updated Business Mailing Address June 15, 2017

Registered at 516 QUINTARD AVE, ANNISTON, AL 362015711 (Tel: (256) 741-9799)

👤
Provider Name / Credentials Updated June 15, 2017

Recorded as MARIA MARCHENKO, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 15, 2017

Pediatrics (License #046900 in CT)

NPI Profile Active October 14, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location October 14, 2016

Registered at 1412 ELBA HWY, TROY, AL 360796020 (Tel: 3345668822)

📍
Updated Business Mailing Address October 14, 2016

Registered at 1414 ELBA HWY, TROY, AL 360796020 (Tel: 3346706726)

👤
Provider Name / Credentials Updated October 14, 2016

Recorded as MARIA MARCHENKO, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 14, 2016

Pediatrics (License #30913 in AL)

🟢
Initial NPI Registration & Enumeration September 18, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1821248451
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 18, 2008
Last Update: October 10, 2025
Sole Proprietor: No

Mailing Address

216 14th Ave Sw

Sidney, MT 592703519

Phone: 4064882100

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.