MRS. MARNI G UNDERWOOD APRN
NPI 1891797304
Nurse Practitioner in Beaumont, TX

Active since August 15, 2005PECOS EnrolledAccepts Medicare Assignment
6342 PHELAN BLVD, BEAUMONT, TX 77706(281) 783-8162 Get Directions Write a Review

NPPES record last updated: October 20, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 20, 2022, Nov 23, 2015 (2 updates tracked since 2015).

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

NPI1891797304
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. MARNI G UNDERWOODCredential: APRN
Location Address6342 PHELAN BLVDBeaumont, TX 77706-6150
Mailing Address32 Wicks Ln, Svp - Heights Family PracticeBillings, MT 59105-3810 · (406) 237-8300 · Fax (406) 237-8333
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateAugust 15, 2005
Last NPPES UpdateOctober 20, 20222 updates tracked since enumeration
NPPES CertifiedOctober 20, 2022
NPI 1891797304 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses Licensed in TX · AP134988 Licensed in MT · 101469
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
6342 PHELAN BLVD, Beaumont, TX 77706

Other Names 1

Former Name (1)Marni G Keck Aprn

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID3678558525
PECOS Enrollment IDI20180507000548
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
71 services62 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
71 services15 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
31 services28 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
23 services20 patients
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635
This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.
19 services18 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
17 services15 patients

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.

New Patient
$83.80 typical visit price
range $54.04 – $164.93
Typical copayment $20.95 (range $13.51 – $41.23)
Most-billed visit code 99203
Established Patient
$95.83 typical visit price
range $17.17 – $134.47
Typical copayment $23.95 (range $4.29 – $33.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Clinic/Center (Urgent Care)
6342 PHELAN BLVD
BEAUMONT, TX 77706
Nurse Practitioner
6342 PHELAN BLVD
BEAUMONT, TX 77706

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.

What insurance does Marni Underwood accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Community Health Choice 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 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.