CHUNG Y WON M.D.
NPI 1740623024
Emergency Medicine in Houston, TX
About Chung Y Won M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHUNG Y WON M.D. (NPI 1740623024) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (R3008) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Harris Health System, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Chung Y Won M.d. 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.
Medicare Billing Reassignments
5Medicare enrollment records show Chung Won reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,554 clinicians in this Medicare group
Houston, TX 77024
- Reassigned Medicare billing, Texas enrollment
- 408 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Harris Health System
Acute Care Hospitals · Houston, TXMemorial Hermann Sugar Land Hospital
Acute Care Hospitals · Sugar Land, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Chung Won's NPI number?
The NPI number for Chung Won is 1740623024. It was assigned to this individual provider in the NPPES registry on April 17, 2013. The provider is also known as John Y Won M.D..
Where is Chung Won located?
Chung Won practices at 1504 Taub Loop, Houston, TX 77030. The listed phone number is (713) 873-8890.
What is Chung Won's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Chung Won enrolled in Medicare?
Yes. Chung Won 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.
Which organizations bill Medicare for Chung Won's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chung Won reassigns Medicare benefits to 5 organizations: Baylor College Of Medicine (Houston, TX), Texas Children's Physician Group (Houston, TX), Baylor College Of Medicine (Houston, TX), Memorial Hermann Hospital Based Physician Group (Houston, TX) and Acs Primary Care Physicians Southwest, PA (Gainesville, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Chung Won's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chung Won accept?
Health plans from Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc., Oscar Insurance Company and UnitedHealthcare list Chung Won 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.
Is Chung Won affiliated with any hospitals?
According to CMS data, Chung Won is affiliated with Harris Health System and Memorial Hermann Sugar Land Hospital.
When was this NPI record last updated?
The NPPES record for Chung Won was last updated on October 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Chung Y Won, M.D. · NPI 1740623024
Emergency Medicine physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since April 17, 2013.
## Identity
- **NPI:** 1740623024 (Entity type: Individual)
- **Enumerated:** April 17, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** R3008 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1504 TAUB LOOP, Houston, TX 77030-1608
- **Phone:** (713) 873-8890
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Baylor College Of Medicine (NPI 1053352914, Houston, TX); Texas Children's Physician Group (NPI 1861675506, Houston, TX); Baylor College Of Medicine (NPI 1881026664, Houston, TX); Memorial Hermann Hospital Based Physician Group (NPI 1295363497, Houston, TX); Acs Primary Care Physicians Southwest, PA (NPI 1538101019, Gainesville, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** October 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1740623024) · Data from the CMS NPPES public registry.