MONICA LOPEZ MD
NPI 1194221366
Emergency Medicine in Mcallen, TX
About Monica Lopez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONICA LOPEZ MD (NPI 1194221366) is an individual emergency medicine provider in Mcallen, Texas, licensed in Texas (T2428) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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)
Monica Lopez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Monica Lopez reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mcallen, TX 78504
- Reassigned Medicare billing, Texas enrollment
- 150 clinicians in this Medicare group
Edinburg, TX 78539
- Reassigned Medicare billing, Texas enrollment
- 257 clinicians in this Medicare group
Alamo, TX 78516
- Reassigned Medicare billing, Texas enrollment
- 145 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 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 2
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 78503 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.
MCALLEN, TX 78503
MCALLEN, TX 78503
MCALLEN, TX 78503
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 Monica Lopez's NPI number?
The NPI number for Monica Lopez is 1194221366. It was assigned to this individual provider in the NPPES registry on April 4, 2018.
Where is Monica Lopez located?
Monica Lopez practices at 101 E Ridge Rd, Mcallen, TX 78503. The listed phone number is (956) 632-6000.
What is Monica Lopez's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Monica Lopez enrolled in Medicare?
Yes. Monica Lopez is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Monica Lopez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monica Lopez reassigns Medicare benefits to 4 organizations: Oak Creek Emergency Medicine Associates, PA (Mcallen, TX), Edinburg Emergency Medicine Associates PA (Edinburg, TX), Canyon Springs Emergency Medicine Associates, PA (Alamo, TX) and Emergency Medicine Services Of Tx, PLLC (San Antonio, 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 Monica Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Monica Lopez accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Oscar Insurance Company list Monica Lopez 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 Monica Lopez was last updated on April 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Monica Lopez, MD · NPI 1194221366
Emergency Medicine physician in Mcallen, Texas. Individual provider, active in the CMS NPPES registry since April 4, 2018.
## Identity
- **NPI:** 1194221366 (Entity type: Individual)
- **Enumerated:** April 4, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** T2428 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 E RIDGE RD, Mcallen, TX 78503-1847
- **Phone:** (956) 632-6000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Oak Creek Emergency Medicine Associates, PA (NPI 1629576632, Mcallen, TX); Edinburg Emergency Medicine Associates PA (NPI 1942467113, Edinburg, TX); Canyon Springs Emergency Medicine Associates, PA (NPI 1154825412, Alamo, TX); Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 18, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1194221366) · Data from the CMS NPPES public registry.