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DR. THOMAS ST CLAIR WILLIAMS SR. MD
NPI 1467422048
Family Medicine in Monroe, LA

Active since January 25, 2006PECOS EnrolledAccepts Medicare Assignment
516 LINCOLN RD, MONROE, LA 71203(318) 343-6487(318) 343-7884 Get Directions Write a Review

NPPES record last updated: December 14, 2009. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Thomas St Clair Williams Sr. Md NPPES

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

DR. THOMAS ST CLAIR WILLIAMS SR. MD (NPI 1467422048) is an individual family medicine provider in Monroe, Louisiana, licensed in Louisiana (022964) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Morehouse General Hospital, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1467422048
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. THOMAS ST CLAIR WILLIAMS SR.Credential: MD
Location Address516 LINCOLN RDMonroe, LA 71203-4252
Mailing AddressPo Box 13430Monroe, LA 71213-3430 · (318) 343-6487 · Fax (318) 343-7884
Phone(318) 343-6487
Fax(318) 343-7884
Sole ProprietorYes
Medical School CMSOtherGraduated 1995
Enumeration DateJanuary 25, 2006
Last NPPES UpdateDecember 14, 2009
✔ NPI 1467422048 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in LA · 022964
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedEmergency MedicineTaxonomy 207P00000X · License MD022964 (LA)
516 LINCOLN RD, Monroe, LA 71203
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Other Identifiers 4

Medicaid1685895LA
Medicare PIN5A130DJ97LA
Medicare PIN5A130LA
Medicare UPING64048

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, HMO Louisiana.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

Dr. Thomas St Clair Williams Sr. Md 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 ID8426104084
PECOS Enrollment IDI20090923000281
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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
68 services23 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
26 services24 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.
12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Morehouse General Hospital

Acute Care Hospitals · Bastrop, LA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190116
Location323 W WalnutBastrop, LA 71220 · Morehouse County
Emergency services

St Francis Medical Center

Acute Care Hospitals · Monroe, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190125
Location309 Jackson StreetMonroe, LA 71201 · Ouachita County
Emergency services Birthing friendly

Monroe Surgical Hospital

Acute Care Hospitals · Monroe, LA
OwnershipProprietary
CMS Certification Number190245
Location2408 Broadmoor BlvdMonroe, LA 71201 · Ouachita County

West Carroll Memorial Hospital

Critical Access Hospitals · Oak Grove, LA
OwnershipProprietary
CMS Certification Number191327
Location706 Ross StreetOak Grove, LA 71263 · West Carroll County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71203 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
$83.60 typical visit price
range $53.43 – $164.73
Typical copayment $20.90 (range $13.35 – $41.18)
Most-billed visit code 99203
Established Patient
$95.09 typical visit price
range $16.64 – $133.62
Typical copayment $23.77 (range $4.16 – $33.40)
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.

Referred Medical Equipment & Supplies CMS DME claims 19

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
13 suppliers52 claims106 services$6.12 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
8 suppliers20 claims24 services$1.05 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
2 suppliers13 claims25 services$1.49 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
4 suppliers21 claims21 services$84.16 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
4 suppliers21 claims55 services$35.79 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
4 suppliers15 claims15 services$17.70 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

LAKESHORE FAMILY MEDICINE ASSOCIATES, APMC
Family Medicine
516 LINCOLN RD
MONROE, LA 71203
Ouachita Parish (318) 343-6487
TANASHA PORTER ASHLEY APRN, FNP-C
Nurse Practitioner (Family)
516 LINCOLN RD
MONROE, LA 71203
Ouachita Parish (318) 966-8200
CRAIG S TURNER MD APMC
Family Medicine
516 LINCOLN RD
MONROE, LA 71203
Ouachita Parish (318) 343-6487

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 Thomas Williams's NPI number?

The NPI number for Thomas Williams is 1467422048. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is Thomas Williams located?

Thomas Williams practices at 516 Lincoln Rd, Monroe, LA 71203. The listed phone number is (318) 343-6487.

What is Thomas Williams's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Thomas Williams enrolled in Medicare?

Yes. Thomas 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 Thomas Williams accept?

Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Thomas 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 Thomas Williams affiliated with any hospitals?

According to CMS data, Thomas Williams is affiliated with Morehouse General Hospital, St Francis Medical Center, Monroe Surgical Hospital and West Carroll Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Williams was last updated on December 14, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.