JOHN MICHAEL CHACKO DO
NPI 1427630839
Emergency Medicine in Boardman, OH

Active since April 26, 2021PECOS EnrolledAccepts Medicare Assignment
8401 MARKET ST, BOARDMAN, OH 44512(469) 585-4521 Get Directions Write a Review

NPPES record last updated: September 15, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 15, 2025, Jun 28, 2021, Apr 26, 2021 (3 updates tracked since 2021).

About John Michael Chacko Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN MICHAEL CHACKO DO (NPI 1427630839) is an individual emergency medicine provider in Boardman, Ohio, licensed in Ohio (58.032281) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Vassar Brothers Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1427630839
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJOHN MICHAEL CHACKOCredential: DO
Location Address8401 MARKET STBoardman, OH 44512-6725
Mailing Address1601 Lake Bluff DrGarland, TX 75043-7550 · (469) 585-4521
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 26, 2021
Last NPPES UpdateSeptember 15, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2025
NPI 1427630839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in OH · 58.032281 Licensed in NY · 339403
Definition
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.
8401 MARKET ST, Boardman, OH 44512

Secondary Practice Locations 2

Location 1667 Eastland Ave SEWarren, OH 44484-4503 · Phone (469) 585-4521
Location 21044 Belmont AveYoungstown, OH 44504-1006 · Phone (469) 585-4521

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John Michael Chacko Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8820499486
PECOS Enrollment IDI20250926002162
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Vassar Brothers Medical Center

Acute Care Hospitals · Poughkeepsie, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330023
Location45 Reade PlacePoughkeepsie, NY 12601 · Dutchess County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44512 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
8401 MARKET ST
BOARDMAN, OH 44512
Obstetrics & Gynecology
8401 MARKET ST
BOARDMAN, OH 44512
Emergency Medicine
8401 MARKET ST
BOARDMAN, OH 44512
Emergency Medicine
8401 MARKET ST
BOARDMAN, OH 44512
Emergency Medicine
8401 MARKET ST
YOUNGSTOWN, OH 44512
Obstetrics & Gynecology
8401 MARKET ST
BOARDMAN, OH 44512
Family Medicine
8401 MARKET ST
BOARDMAN, OH 44512
Nurse Practitioner (Family)
8401 MARKET ST
YOUNGSTOWN, OH 44512

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Chacko's NPI number?

The NPI number for John Chacko is 1427630839. It was assigned to this individual provider in the NPPES registry on April 26, 2021.

Where is John Chacko located?

John Chacko practices at 8401 Market St, Boardman, OH 44512. The listed phone number is (469) 585-4521.

What is John Chacko's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is John Chacko enrolled in Medicare?

Yes. John Chacko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is John Chacko affiliated with any hospitals?

According to CMS data, John Chacko is affiliated with Vassar Brothers Medical Center.

When was this NPI record last updated?

The NPPES record for John Chacko was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.