RALPH EDWARD ESPARZA CRNA
NPI 1831661107
Nurse Anesthetist, Certified Registered in Houston, TX
About Ralph Edward Esparza Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RALPH EDWARD ESPARZA CRNA (NPI 1831661107) is an individual nurse anesthetist, certified registered in Houston, Texas, licensed in Texas (AP140711) and active in the NPI registry since December 2018. He is affiliated with Memorial Hermann Northeast Hospital and is a graduate of Other (2018).
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 and accepts Medicare assignment
Ralph Edward Esparza Crna 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
2Medicare enrollment records show Ralph Esparza reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 clinicians in this Medicare group
Fort Worth, TX 76109
- Reassigned Medicare billing, Texas enrollment
- 1,612 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Northeast Hospital
Acute Care Hospitals · Humble, TXHca Houston Healthcare Kingwood
Acute Care Hospitals · Kingwood, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77042 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.
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
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 Ralph Esparza's NPI number?
The NPI number for Ralph Esparza is 1831661107. It was assigned to this individual provider in the NPPES registry on December 26, 2018.
Where is Ralph Esparza located?
Ralph Esparza practices at 1500 Citywest Blvd, Houston, TX 77042. The listed phone number is (713) 620-4000.
What is Ralph Esparza's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Ralph Esparza enrolled in Medicare?
Yes. Ralph Esparza 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 Ralph Esparza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ralph Esparza reassigns Medicare benefits to 2 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX) and Emergenchealth PLLC (Fort Worth, 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 Ralph Esparza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ralph Esparza accept?
Health plans from Blue Cross and Blue Shield of Texas list Ralph Esparza 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 Ralph Esparza affiliated with any hospitals?
According to CMS data, Ralph Esparza is affiliated with Memorial Hermann Northeast Hospital and Hca Houston Healthcare Kingwood.
When was this NPI record last updated?
The NPPES record for Ralph Esparza was last updated on October 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ralph Edward Esparza, CRNA · NPI 1831661107
Nurse Anesthetist, Certified Registered physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since December 26, 2018.
## Identity
- **NPI:** 1831661107 (Entity type: Individual)
- **Enumerated:** December 26, 2018
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP140711 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 CITYWEST BLVD, Houston, TX 77042-2300
- **Phone:** (713) 620-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Emergenchealth PLLC (NPI 1467970897, Fort Worth, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** October 18, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1831661107) · Data from the CMS NPPES public registry.