KAREN LUO MD
NPI 1326676867
Internal Medicine in El Paso, TX
About Karen Luo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN LUO MD (NPI 1326676867) is an individual internal medicine provider in El Paso, Texas, licensed in New York (324596) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Union Hospital Inc, and maintains a secondary practice location in El Paso.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Karen Luo 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.
Medicare Billing Reassignments
7Medicare enrollment records show Karen Luo reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Belleville, IL 62226
- Reassigned Medicare billing, Illinois enrollment
- 329 clinicians in this Medicare group
Evansville, IN 47714
- Reassigned Medicare billing, Indiana enrollment
- 47 clinicians in this Medicare group
Terre Haute, IN 47802
- Reassigned Medicare billing, Indiana enrollment
- 228 clinicians in this Medicare group
Utica, NY 13502
- Reassigned Medicare billing, New York enrollment
- 304 clinicians in this Medicare group
Amsterdam, NY 12010
- Reassigned Medicare billing, New York enrollment
- 63 clinicians in this Medicare group
Amsterdam, NY 12010
- Reassigned Medicare billing, New York enrollment
- 65 clinicians in this Medicare group
East Patchogue, NY 11772
- Reassigned Medicare billing, New York enrollment
- 640 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 5
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.
Union Hospital Inc
Acute Care Hospitals · Terre Haute, INWynn Hospital
Acute Care Hospitals · Utica, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 79925 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EL PASO, TX 79925
EL PASO, TX 79925
EL PASO, TX 79925
EL PASO, TX 79925
EL PASO, TX 79925
EL PASO, TX 79925
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 Karen Luo's NPI number?
The NPI number for Karen Luo is 1326676867. It was assigned to this individual provider in the NPPES registry on March 30, 2020.
Where is Karen Luo located?
Karen Luo practices at 10175 Gateway Blvd W Ste 100, El Paso, TX 79925. The listed phone number is (915) 283-3965.
What is Karen Luo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Karen Luo enrolled in Medicare?
Yes. Karen Luo 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 Karen Luo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Luo reassigns Medicare benefits to 7 organizations: Cep America-Illinois Hospitalists, LLP (Belleville, IL), Vituity-Hm Services PC (Evansville, IN), Galen Inpatient Physicians PC (Terre Haute, IN), New York Medical Physician Associates PC (Utica, NY), Upstate Ny Doctor Of Medicine PLLC (Amsterdam, NY) and 2 more organizations, listed in the Medicare section above. 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 Karen Luo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Karen Luo affiliated with any hospitals?
According to CMS data, Karen Luo is affiliated with Union Hospital Inc and Wynn Hospital.
When was this NPI record last updated?
The NPPES record for Karen Luo was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Karen Luo, MD · NPI 1326676867
Internal Medicine physician in El Paso, Texas. Individual provider, active in the CMS NPPES registry since March 30, 2020.
## Identity
- **NPI:** 1326676867 (Entity type: Individual)
- **Enumerated:** March 30, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 324596 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 10175 GATEWAY BLVD W STE 100, El Paso, TX 79925-7618
- **Phone:** (915) 283-3965
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Cep America-Illinois Hospitalists, LLP (NPI 1841613403, Belleville, IL); Vituity-Hm Services PC (NPI 1700719499, Evansville, IN); Galen Inpatient Physicians PC (NPI 1982424867, Terre Haute, IN); New York Medical Physician Associates PC (NPI 1619722147, Utica, NY); Upstate Ny Doctor Of Medicine PLLC (NPI 1356171490, Amsterdam, NY); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** February 18, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1326676867) · Data from the CMS NPPES public registry.