LEIGH WALKER CRNA
NPI 1528473063
Nurse Anesthetist, Certified Registered in San Antonio, TX
About Leigh Walker Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEIGH WALKER CRNA (NPI 1528473063) is an individual nurse anesthetist, certified registered in San Antonio, Texas, licensed in Texas (AP125697) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Leigh Walker 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 Reassignment
Medicare enrollment records show Leigh Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oxford, MA 01540
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 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.
Umass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78229 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.
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
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 Leigh Walker's NPI number?
The NPI number for Leigh Walker is 1528473063. It was assigned to this individual provider in the NPPES registry on June 24, 2014.
Where is Leigh Walker located?
Leigh Walker practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 567-4500.
What is Leigh Walker's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Leigh Walker enrolled in Medicare?
Yes. Leigh Walker 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 organization bills Medicare for Leigh Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leigh Walker reassigns Medicare benefits to Umass Memorial Medical Group, Inc. (Oxford, MA). 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 Leigh Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leigh Walker accept?
Health plans from Blue Cross and Blue Shield of Texas list Leigh Walker 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 Leigh Walker affiliated with any hospitals?
According to CMS data, Leigh Walker is affiliated with Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Leigh Walker was last updated on February 25, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Leigh Walker, CRNA · NPI 1528473063
Nurse Anesthetist, Certified Registered physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since June 24, 2014.
## Identity
- **NPI:** 1528473063 (Entity type: Individual)
- **Enumerated:** June 24, 2014
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP125697 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4502 MEDICAL DR, San Antonio, TX 78229-4402
- **Phone:** (210) 567-4500 · **Fax:** (210) 567-4522
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** Umass Memorial Medical Group, Inc. (NPI 1982381018, Oxford, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** February 25, 2015
- **Other identifiers:** Medicare PIN 377895YK00 (TX); Medicaid 341556401 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1528473063) · Data from the CMS NPPES public registry.