Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1427630839 Individual Practitioner Male Practitioner

Dr. John Michael Chacko , DO

Emergency Medicine • Boardman, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Chacko, DO is a certified Emergency Medicine practicing in Boardman, OH. With approximately 5 years of clinical experience since completing medical education in 2021, Dr. Chacko delivers high-quality medical care to the local community at 8401 MARKET ST.

Dr. Chacko is affiliated with Emergency Physician Services Of New York, P.C. and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

8401 Market St

Boardman, OH 445126725

Telephone 4695854521
Associated Practice Facility / Clinic
🏢 Mercy Health Youngstown Llc Facility NPI 1275608622

Medicare Profile & Education

Medical School

Other

Graduation Year

2021

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Boardman, OH

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
5 Yrs -2.9 yrs vs City Avg
City Avg: 7.9 Yrs
State Avg: 21.5 Yrs
Regional Practice Density
56 Specialists

Practicing in Boardman, OH (3084 Statewide)

Telehealth Adoption Rate
1.8% 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. Chacko (5 Years) 5 Yrs
Boardman Specialty Average (7.9 Years) 7.9 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-09-15
Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License OH 58.032281

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Emergency Medicine

NUCC Taxonomy Code: 207P00000X

State License NY 339403

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Hospital & Practice Group Affiliations

Emergency Physician Services Of New York, P.c.

45 Reade Pl, Poughkeepsie, NY 126013947

Phone: 8454548500

Secondary Practice Locations

667 Eastland Ave Se

Warren, OH 444844503

Phone: 4695854521

1044 Belmont Ave

Youngstown, OH 445041006

Phone: 4695854521

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Jessica Austin , DO

Internal Medicine

NPI 1003346388

Doctor of Osteopathic Medicine (D.O.)

Dr. Jerome Chelliah , MD, MPH

Obstetrics & Gynecology

NPI 1013371046

Doctor of Medicine (M.D.), Master of Public Health

Dr. Shrey Patel , DO

Emergency Medicine

NPI 1013856079

Doctor of Osteopathic Medicine (D.O.)

Benjamin Miner

Emergency Medicine

NPI 1023403219
Dr. Antonius Hadi , MD

Obstetrics & Gynecology

NPI 1033296942

Doctor of Medicine (M.D.)

Dr. Robert Koller , DO

Family Medicine

NPI 1043659550

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 28, 2021

Emergency Medicine (License #58.032281 in OH)

NPI Profile Active April 26, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location April 26, 2021

Registered at 8401 MARKET ST, BOARDMAN, OH 445126725 (Tel: 4695854521)

📍
Updated Business Mailing Address April 26, 2021

Registered at 1601 LAKE BLUFF DR, GARLAND, TX 750437550 (Tel: 4695854521)

👤
Provider Name / Credentials Updated April 26, 2021

Recorded as JOHN CHACKO, DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 26, 2021

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 26, 2021

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: 1427630839
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 26, 2021
Last Update: September 15, 2025
Sole Proprietor: No

Mailing Address

1601 Lake Bluff Dr

Garland, TX 750437550

Phone: 4695854521

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.