WON SEOK CHA
NPI 1174903140
Family Medicine in Citrus Heights, CA
About Won Seok Cha NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WON SEOK CHA (NPI 1174903140) is an individual family medicine provider in Citrus Heights, California, licensed in California (C186753) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical Branch At Galveston (2015).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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
Won Seok Cha 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
3Medicare enrollment records show Won Seok Cha reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Citrus Heights, CA 95610
- Reassigned Medicare billing, California enrollment
- 918 clinicians in this Medicare group
Lancaster, CA 93534
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Salem, OR 97317
- Reassigned Medicare billing, Oregon and Washington enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1871848457 (Washington)
- 3,207 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 8
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95610 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.
CITRUS HEIGHTS, CA 95610
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 Won Seok Cha's NPI number?
The NPI number for Won Seok Cha is 1174903140. It was assigned to this individual provider in the NPPES registry on June 4, 2015.
Where is Won Seok Cha located?
Won Seok Cha practices at 7551 Madison Ave, Citrus Heights, CA 95610. The listed phone number is (916) 904-3000.
What is Won Seok Cha's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Won Seok Cha enrolled in Medicare?
Yes. Won Seok Cha 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 Won Seok Cha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Won Seok Cha reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (Citrus Heights, CA), Southern California Permanente Medical Group (Lancaster, CA) and South Salem Rehabilitation, LLC (Salem, OR). 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 Won Seok Cha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Won Seok Cha was last updated on October 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Won Seok Cha · NPI 1174903140
Family Medicine physician in Citrus Heights, California. Individual provider, active in the CMS NPPES registry since June 4, 2015.
## Identity
- **NPI:** 1174903140 (Entity type: Individual)
- **Enumerated:** June 4, 2015
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** C186753 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7551 MADISON AVE, Citrus Heights, CA 95610-7449
- **Phone:** (916) 904-3000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1215917810, Citrus Heights, CA); Southern California Permanente Medical Group (NPI 1982863783, Lancaster, CA); South Salem Rehabilitation, LLC (NPI 1215071998, Salem, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 2015
## Record status
- **NPPES last updated:** October 15, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1174903140) · Data from the CMS NPPES public registry.