MRS. MARNI G UNDERWOOD APRN
NPI 1891797304
Nurse Practitioner in Beaumont, TX
About Mrs. Marni G Underwood Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARNI G UNDERWOOD APRN (NPI 1891797304) is an individual nurse practitioner in Beaumont, Texas, licensed in Texas (AP134988) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Mrs. Marni G Underwood Aprn 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
4Medicare enrollment records show Marni Underwood reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Beaumont, TX 77706
- Reassigned Medicare billing, Texas enrollment
- 351 clinicians in this Medicare group
Bridge City, TX 77611
- Reassigned Medicare billing, Texas enrollment
- 10 clinicians in this Medicare group
Bridge City, TX 77611
- Reassigned Medicare billing, Texas enrollment
- 7 clinicians in this Medicare group
League City, TX 77573
- Reassigned Medicare billing, Texas enrollment
- 379 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 8
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 77706 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Marni Underwood's NPI number?
The NPI number for Marni Underwood is 1891797304. It was assigned to this individual provider in the NPPES registry on August 15, 2005. The provider is also known as Marni G Keck Aprn.
Where is Marni Underwood located?
Marni Underwood practices at 6342 Phelan Blvd, Beaumont, TX 77706. The listed phone number is (281) 783-8162.
What is Marni Underwood's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Marni Underwood enrolled in Medicare?
Yes. Marni Underwood 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 Marni Underwood's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marni Underwood reassigns Medicare benefits to 4 organizations: Doctors Express Of The Beaumont Area PA (Beaumont, TX), Acorn Medical Home (Bridge City, TX), Total Care Medical, PLLC (Bridge City, TX) and Nluc PLLC (League City, 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 Marni Underwood's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marni Underwood accept?
Health plans from Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan list Marni Underwood 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 Marni Underwood was last updated on October 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mrs. Marni G Underwood, APRN · NPI 1891797304
Nurse Practitioner physician in Beaumont, Texas. Individual provider, active in the CMS NPPES registry since August 15, 2005.
## Identity
- **NPI:** 1891797304 (Entity type: Individual)
- **Enumerated:** August 15, 2005
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** AP134988 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6342 PHELAN BLVD, Beaumont, TX 77706-6150
- **Phone:** (281) 783-8162
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Doctors Express Of The Beaumont Area PA (NPI 1841525235, Beaumont, TX); Acorn Medical Home (NPI 1457099558, Bridge City, TX); Total Care Medical, PLLC (NPI 1811495575, Bridge City, TX); Nluc PLLC (NPI 1043814049, League City, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** October 20, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1891797304) · Data from the CMS NPPES public registry.