LISA MARIE FIELDS ACNP-BC
NPI 1225471089
Nurse Practitioner - Acute Care in San Antonio, TX
About Lisa Marie Fields Acnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LISA MARIE FIELDS ACNP-BC (NPI 1225471089) is an individual acute care provider in San Antonio, Texas, licensed in Texas (694362) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Christus Santa Rosa Hospital-san Marcos, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 3
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
Lisa Marie Fields Acnp-bc 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
3Medicare enrollment records show Lisa Fields reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Braunfels, TX 78130
- Reassigned Medicare billing, Texas enrollment
- 101 clinicians in this Medicare group
San Marcos, TX 78666
- Reassigned Medicare billing, Texas enrollment
- 31 clinicians in this Medicare group
Corpus Christi, TX 78404
- Reassigned Medicare billing, Texas enrollment
- 69 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus Santa Rosa Hospital-San Marcos
Acute Care Hospitals · San Marcos, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78234 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.
FORT SAM HOUSTON, TX 78234
FORT SAM HOUSTON, TX 78234
FORT SAM HOUSTON, TX 78234
FORT SAM HOUSTON, TX 78234
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 Lisa Fields's NPI number?
The NPI number for Lisa Fields is 1225471089. It was assigned to this individual provider in the NPPES registry on April 11, 2013.
Where is Lisa Fields located?
Lisa Fields practices at 3551 Roger Brooke Dr, San Antonio, TX 78234. The listed phone number is (210) 916-7500.
What is Lisa Fields's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Lisa Fields enrolled in Medicare?
Yes. Lisa Fields 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 Lisa Fields's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Fields reassigns Medicare benefits to 3 organizations: South Texas Physician Services, PLLC (New Braunfels, TX), Central Texas Intensivists, PLLC (San Marcos, TX) and Gulf Coast Intensivists, PLLC (Corpus Christi, 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 Lisa Fields's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lisa Fields accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Community First, Oscar Health and Oscar Insurance Company list Lisa Fields 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 Lisa Fields affiliated with any hospitals?
According to CMS data, Lisa Fields is affiliated with Christus Santa Rosa Hospital-San Marcos.
When was this NPI record last updated?
The NPPES record for Lisa Fields was last updated on February 8, 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.
# Lisa Marie Fields, ACNP-BC · NPI 1225471089
Acute Care physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since April 11, 2013.
## Identity
- **NPI:** 1225471089 (Entity type: Individual)
- **Enumerated:** April 11, 2013
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 694362 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3551 ROGER BROOKE DR, San Antonio, TX 78234-4504
- **Phone:** (210) 916-7500
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): South Texas Physician Services, PLLC (NPI 1598546772, New Braunfels, TX); Central Texas Intensivists, PLLC (NPI 1205690765, San Marcos, TX); Gulf Coast Intensivists, PLLC (NPI 1104509199, Corpus Christi, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** February 8, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1225471089) · Data from the CMS NPPES public registry.