Provider Profile
Marni G. Underwood, APRN
Unclaimed ProfileAbout Marni Underwood
Listed in the NPI registry as a nurse practitioner, Marni G. Underwood, APRN practices in Beaumont, TX. According to Medicare claims data, Marni cared for 182 Medicare patients across 256 services. The services billed most often include injection, dexamethasone sodium phosphate, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (281) 783-8162
- Email not available
Practice Locations
6342 PHELAN BLVD
Beaumont, TX 77706
Procedures Most Often Billed to Medicare
256 services · 182 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
17 | As often as other peers in Nurse Practitioner |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
23 | Less often than most peers in Nurse Practitioner |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
71 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
71 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
31 | Less often than most peers in Nurse Practitioner |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
19 | As often as other peers in Nurse Practitioner |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
12 | Less often than most peers in Nurse Practitioner |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
12 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Beaumont 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in TX who bill this service to Medicare most often.
Common questions
What does Marni G. Underwood specialize in?
Marni G. Underwood is a nurse practitioner in Beaumont, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Marni G. Underwood located?
Marni G. Underwood is listed at 6342 Phelan Blvd, Beaumont, TX 77706. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marni G. Underwood's phone number?
The number on file is (281) 783-8162. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Marni G. Underwood's NPI number?
Marni G. Underwood's National Provider Identifier is 1891797304. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Marni G. Underwood train?
Marni G. Underwood attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Marni G. Underwood been practicing?
Marni G. Underwood has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Marni G. Underwood do most often?
According to Medicare billing data, Marni G. Underwood performs imaging including x-ray of chest, 2 views; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marni G. Underwood confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marni G. Underwood. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.