JOHN J BYUN MD
NPI 1932763620
Psychiatry & Neurology - Psychiatry in Mckinney, TX
About John J Byun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN J BYUN MD (NPI 1932763620) is an individual psychiatry provider in Mckinney, Texas, licensed in Texas (T4716) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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 J Byun Md 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75069 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
MCKINNEY, TX 75069
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 Byun's NPI number?
The NPI number for John Byun is 1932763620. It was assigned to this individual provider in the NPPES registry on April 28, 2019.
Where is John Byun located?
John Byun practices at 1515 Heritage Dr, Mckinney, TX 75069. The listed phone number is (972) 562-0190.
What is John Byun's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is John Byun enrolled in Medicare?
Yes. John Byun 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.
What insurance does John Byun accept?
Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice, Molina Healthcare and UnitedHealthcare list John Byun as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for John Byun was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# John J Byun, MD · NPI 1932763620
Psychiatry physician in Mckinney, Texas. Individual provider, active in the CMS NPPES registry since April 28, 2019.
## Identity
- **NPI:** 1932763620 (Entity type: Individual)
- **Enumerated:** April 28, 2019
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** T4716 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1515 HERITAGE DR, Mckinney, TX 75069-3256
- **Phone:** (972) 562-0190
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Boston University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** March 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1932763620) · Data from the CMS NPPES public registry.