CHRISTINA WAIYIN KOO DO
NPI 1962081554
Internal Medicine - Rheumatology in Fort Worth, TX
About Christina Waiyin Koo Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINA WAIYIN KOO DO (NPI 1962081554) is an individual rheumatology provider in Fort Worth, Texas, licensed in Texas (W6682) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Morton Plant Hospital, and maintains a secondary practice location in Largo.
NPPES Registry Identity
Specialties & Licenses 2
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 (PECOS)
Christina Waiyin Koo Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Christina Koo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fort Worth, TX 76104
- Reassigned Medicare billing, Texas enrollment
- 985 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morton Plant Hospital
Acute Care Hospitals · Clearwater, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 76104 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.
FORT WORTH, TX 76104
FORT WORTH, TX 76104
FORT WORTH, TX 76104
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 Christina Koo's NPI number?
The NPI number for Christina Koo is 1962081554. It was assigned to this individual provider in the NPPES registry on April 2, 2021.
Where is Christina Koo located?
Christina Koo practices at 1500 S Main St, Fort Worth, TX 76104. The listed phone number is (817) 702-1100.
What is Christina Koo's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Christina Koo enrolled in Medicare?
Yes. Christina Koo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Christina Koo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Koo reassigns Medicare benefits to Acclaim Physician Group, Inc (Fort Worth, TX). The 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 Christina Koo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christina Koo accept?
Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare and WellPoint list Christina Koo 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 Christina Koo affiliated with any hospitals?
According to CMS data, Christina Koo is affiliated with Morton Plant Hospital.
When was this NPI record last updated?
The NPPES record for Christina Koo was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Christina Waiyin Koo, DO · NPI 1962081554
Rheumatology physician in Fort Worth, Texas. Individual provider, active in the CMS NPPES registry since April 2, 2021.
## Identity
- **NPI:** 1962081554 (Entity type: Individual)
- **Enumerated:** April 2, 2021
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** W6682 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 S MAIN ST, Fort Worth, TX 76104-4917
- **Phone:** (817) 702-1100
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Acclaim Physician Group, Inc (NPI 1780076562, Fort Worth, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** June 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1962081554) · Data from the CMS NPPES public registry.