LILLIAN P WILLIAMS PA-C
NPI 1174239693
Physician Assistant in Oxford, MS

Active since January 27, 2023PECOS EnrolledAccepts Medicare Assignment
111 EASTWIND DR, OXFORD, MS 38655(615) 796-9517 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 3, 2026, Jan 27, 2023 (2 updates tracked since 2023).

About Lillian P Williams Pa-c NPPES

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

LILLIAN P WILLIAMS PA-C (NPI 1174239693) is an individual physician assistant in Oxford, Mississippi, licensed in Texas (PA17194) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS, is affiliated with Ut Southwestern University Hospital - William P. Clements Jr., and is a graduate of Mississippi Medical College (2022).

NPPES Registry Identity

NPI1174239693
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameLILLIAN P WILLIAMSCredential: PA-C
Location Address111 EASTWIND DROxford, MS 38655-8890
Mailing Address111 Eastwind DrOxford, MS 38655-8890 · (615) 796-9517
Sole ProprietorYes
Medical School CMSMississippi Medical CollegeGraduated 2022
Enumeration DateJanuary 27, 2023
Last NPPES UpdateMarch 3, 20262 updates tracked since enumeration
NPPES CertifiedMarch 3, 2026
NPI 1174239693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in TX · PA17194
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
111 EASTWIND DR, Oxford, MS 38655

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

Lillian P Williams Pa-c 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 ID6608310255
PECOS Enrollment IDI20240708001073
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 4

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
101 services62 patients
Biopsy and aspiration of bone marrow sample for diagnosis 38222
A bone marrow biopsy and aspiration is a procedure where a small amount of bone marrow is removed for testing. It involves inserting a needle into a bone, typically the hip, to collect a sample. It can help diagnose various diseases and monitor treatment effectiveness.
36 services34 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.
25 services24 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
16 services11 patients

Hospital Affiliations CMS Care Compare

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

5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number450044
Location6201 Harry Hines BlvdDallas, TX 75390 · Dallas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38655 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
$80.50 typical visit price
range $51.65 – $159.18
Typical copayment $20.12 (range $12.91 – $39.79)
Most-billed visit code 99203
Established Patient
$64.96 typical visit price
range $16.15 – $129.61
Typical copayment $16.24 (range $4.03 – $32.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Lillian Williams's NPI number?

The NPI number for Lillian Williams is 1174239693. It was assigned to this individual provider in the NPPES registry on January 27, 2023.

Where is Lillian Williams located?

Lillian Williams practices at 111 Eastwind Dr, Oxford, MS 38655. The listed phone number is (615) 796-9517.

What is Lillian Williams's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Lillian Williams enrolled in Medicare?

Yes. Lillian Williams 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 Lillian Williams accept?

Health plans from Blue Cross and Blue Shield of Texas list Lillian Williams 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 Lillian Williams affiliated with any hospitals?

According to CMS data, Lillian Williams is affiliated with Ut Southwestern University Hospital - William P. Clements Jr..

When was this NPI record last updated?

The NPPES record for Lillian Williams was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.