EUN A WILLIAMSON NP
NPI 1043781180
Nurse Practitioner - Adult Health in Baytown, TX

Q: What is Eun A Williamson's NPI number?

The NPI number for Eun A Williamson is 1043781180. It was assigned to this individual provider in the NPPES registry on December 16, 2018.

Q: What is Eun A Williamson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Eun A Williamson was last updated on March 19, 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.

Active since December 16, 2018PECOS EnrolledAccepts Medicare Assignment

4401 GARTH RD, BAYTOWN, TX 77521(281) 420-8600 Get Directions Write a Review

NPPES record last updated: March 19, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 19, 2023, Dec 13, 2022, Aug 30, 2022 and 1 more (4 updates tracked since 2018).

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About Eun A Williamson Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EUN A WILLIAMSON NP (NPI 1043781180) is an individual adult health provider in Baytown, Texas, licensed in Texas (AP139745) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Baytown Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1043781180

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameEUN A WILLIAMSONCredential: NP

Location Address4401 GARTH RDBaytown, TX 77521-2122

Mailing Address4401 Garth RdBaytown, TX 77521-2122 · (832) 677-4056

Phone(281) 420-8600

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateDecember 16, 2018

Last NPPES UpdateMarch 19, 20234 updates tracked since enumeration

NPPES CertifiedMarch 19, 2023

✔ NPI 1043781180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in TX · AP139745

Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License AP139745 (TX)

4401 GARTH RD, Baytown, TX 77521

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.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

Eun A Williamson Np 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 ID3072856830

PECOS Enrollment IDI20190517000695

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.

Medicare Billing Reassignments

Medicare enrollment records show Eun A Williamson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tmh Physician Associates PLLC

26 mi

Ophthalmology

6550 FANNIN ST, SUITE 447
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
2,407 clinicians in this Medicare group

NPI 1275779225 (713) 441-7389

Houston Methodist Specialty Physicians

26 mi

Otolaryngology

7550 GREENBRIAR DR STE 600
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
1,579 clinicians in this Medicare group

NPI 1902614332 (281) 414-6055

Houston Rehabilitation Specialist, P.A.

48 mi

Specialist

23331 GRAND RESERVE DR
Katy, TX 77494

Reassigned Medicare billing, Texas enrollment
2 clinicians in this Medicare group

NPI 1558554402 (281) 505-3500

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 2

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.

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

35 services35 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

24 services23 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Houston Methodist Baytown Hospital

Acute Care Hospitals · Baytown, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450424

Location4401 Garth RoadBaytown, TX 77521 · Harris County

Emergency services Birthing friendly

Liberty Dayton Regional Medical Center

Critical Access Hospitals · Liberty, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number451375

Location1353 N Travis StLiberty, TX 77575 · Liberty County

Emergency services

Altus Baytown Hospital

Acute Care Hospitals · Baytown, TX

OwnershipPhysician

CMS Certification Number670109

Location1626 W Baker RoadBaytown, TX 77521 · Harris County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77521 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

$90.40 typical visit price

range $58.24 – $176.98

Typical copayment $22.60 (range $14.56 – $44.24)

Most-billed visit code 99203

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. STEVEN BENJAMIN ALBRIGHT M.D.

Plastic Surgery