MONICA ANN SIERRA AG-ACNP
NPI 1629610464
Nurse Practitioner - Acute Care in Victoria, TX
About Monica Ann Sierra Ag-acnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONICA ANN SIERRA AG-ACNP (NPI 1629610464) is an individual acute care provider in Victoria, Texas, licensed in Texas (1020733) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS, is affiliated with Citizens Medical Center, and maintains a secondary practice location in Victoria.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Monica Ann Sierra Ag-acnp 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 Monica Sierra reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Victoria, TX 77901
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Citizens Medical Center County Of Victoria
- 171 clinicians in this Medicare group
Uvalde, TX 78801
- Reassigned Medicare billing, Texas enrollment
- 48 clinicians in this Medicare group
Tulsa, OK 74146
- Reassigned Medicare billing, Texas enrollment
- 100 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 6
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Citizens Medical Center
Acute Care Hospitals · Victoria, TXDe Tar Hospital Navarro
Acute Care Hospitals · Victoria, TXMemorial Medical Center
Critical Access Hospitals · Port Lavaca, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77901 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VICTORIA, TX 77901
VICTORIA, TX 77901
VICTORIA, TX 77901
VICTORIA, TX 77901
VICTORIA, TX 77901
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 Sierra's NPI number?
The NPI number for Monica Sierra is 1629610464. It was assigned to this individual provider in the NPPES registry on October 14, 2019.
Where is Monica Sierra located?
Monica Sierra practices at 2700 Citizens Plz Ste 300, Victoria, TX 77901. The listed phone number is (361) 573-0756.
What is Monica Sierra's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Monica Sierra enrolled in Medicare?
Yes. Monica Sierra 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 Monica Sierra's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monica Sierra reassigns Medicare benefits to 3 organizations: Citizen's Medical Center County Of Victoria (Victoria, TX), South Texas Hospitalist Associates LLC (Uvalde, TX) and Victoria Hospitalist Associates, LLC (Tulsa, OK). 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 Sierra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Monica Sierra accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and UnitedHealthcare list Monica Sierra 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 Monica Sierra affiliated with any hospitals?
According to CMS data, Monica Sierra is affiliated with Citizens Medical Center, De Tar Hospital Navarro and Memorial Medical Center.
When was this NPI record last updated?
The NPPES record for Monica Sierra was last updated on October 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 Ann Sierra, AG-ACNP · NPI 1629610464
Acute Care physician in Victoria, Texas. Individual provider, active in the CMS NPPES registry since October 14, 2019.
## Identity
- **NPI:** 1629610464 (Entity type: Individual)
- **Enumerated:** October 14, 2019
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 1020733 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2700 CITIZENS PLZ STE 300, Victoria, TX 77901-5757
- **Phone:** (361) 573-0756
## 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): Citizen's Medical Center County Of Victoria (NPI 1205242088, Victoria, TX); South Texas Hospitalist Associates LLC (NPI 1790045664, Uvalde, TX); Victoria Hospitalist Associates, LLC (NPI 1023236825, Tulsa, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** October 8, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1629610464) · Data from the CMS NPPES public registry.