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

John Michael Chacko, DO

Individual provider Emergency Medicine Physician · NPI 1427630839

John Michael Chacko, DO is an Emergency Medicine in Boardman, Ohio. Qualified in 2021, 5 years ago. Practices with Emergency Physician Services of New York, PC, a 130-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in New York and Ohio.

Years since qualifying
5
Licensed in
NY, OH
In the registry since
2021
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

8401 Market St
Boardman, OH 44512-6725
Phone: (469) 585-4521
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 667 Eastland Ave Se, Warren, OH 44484-4503 — (469) 585-4521
  • 1044 Belmont Ave, Youngstown, OH 44504-1006 — (469) 585-4521

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 58.032281 (OH)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 339403 (NY)

Record details

NPI number1427630839
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 26, 2021
Last updated in NPPESSeptember 15, 2025
Certification dateSeptember 15, 2025
Mailing address1601 Lake Bluff Dr, Garland, TX 75043-7550

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Emergency Physician Services Of New York, P.C. — 130 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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