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John Chacko, DO
NPI 1427630839 · on the registry since 2021
Practice
- Address
- 8401 Market St
Boardman, OH 44512 - Phone
- (469) 585-4521
- Organisation at this address
- Mercy Health Youngstown Llc
Mercy Health Youngstown Llc
Mercy Health Youngstown Llc
Select Specialty Hospital Youngstown IncInferred from a shared address, not stated in the registry. - Clinicians at this address
- 167
Additional practice sites
- 667 Eastland Ave Se, Warren, OH
- 1044 Belmont Ave, Youngstown, OH
Registry record
- Primary taxonomy
- Emergency Medicine Physician
207P00000X
- Also registered as
- Emergency Medicine Physician
- Licence states on file
- OH, NY
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2025-09-15
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Ohio