GERARD K WILLIAMS MD
NPI 1295728749
Internal Medicine in Lafayette, LA

Active since August 30, 2005PECOS EnrolledAccepts Medicare AssignmentCLIA 19D0978900 · Microscopy
901 W GLORIA SWITCH RD, LAFAYETTE, LA 70507(337) 886-0023(337) 886-0067 Get Directions Write a Review

NPPES record last updated: March 22, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gerard K Williams Md NPPES

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

GERARD K WILLIAMS MD (NPI 1295728749) is an individual internal medicine provider in Lafayette, Louisiana, licensed in Louisiana (13692R) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through October 5, 2026, and is affiliated with Ochsner Lafayette General Medical Center.

NPPES Registry Identity

NPI1295728749
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGERARD K WILLIAMSCredential: MD
Location Address901 W GLORIA SWITCH RDLafayette, LA 70507-2309
Mailing Address901 W Gloria Switch RdLafayette, LA 70507-2309 · (337) 886-0023 · Fax (337) 886-0067
Fax(337) 886-0067
Sole ProprietorNo
Medical School CMSMeharry Medical College School Of MedicineGraduated 1996
Enumeration DateAugust 30, 2005
Last NPPES UpdateMarch 22, 2012
NPI 1295728749 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in LA · 13692R
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 13692R (LA)
901 W GLORIA SWITCH RD, Lafayette, LA 70507

Other Identifiers 3

Medicaid1431486LA
Medicare UPINH22303LA
Medicare PIN5H548DQ48LA

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

Gerard K Williams 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 ID446268262
PECOS Enrollment IDI20060405000007
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 19D0978900

Gerard K Williams, MD, Apmc · Lafayette, LA
Active · expires Oct 5, 2026
CLIA Number19D0978900
Laboratory TypePhysician Office
Certificate Effective DateOctober 6, 2024
Certificate Expiration DateOctober 5, 2026
Laboratory DirectorGerard K. Williams, MD
Laboratory Phone(337) 886-0023
Laboratory LocationGerard K Williams, MD, Apmc901 W Gloria Switch Road, Lafayette, LA 70507
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 20

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 nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
331 services93 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.
186 services83 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
138 services78 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
122 services35 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
102 services102 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
101 services41 patients

Hospital Affiliations CMS Care Compare

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

Ochsner Lafayette General Medical Center

Acute Care Hospitals · Lafayette, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190002
Location1214 Coolidge AvenueLafayette, LA 70503 · Lafayette County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70507 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
$124.60 typical visit price
range $53.43 – $164.73
Typical copayment $31.15 (range $13.35 – $41.18)
Most-billed visit code 99204
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 22

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
8 suppliers26 claims52 services$6.03 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers17 claims18 services$0.86 avg. paid by Medicare
Insertion tray with drainage bag with indwelling catheter, foley type, two-way latex with coating (teflon, silicone, silicone elastomer or hydrophilic, etc.) A4314
DME-Orthotic Devices · category DF000N
2 suppliers25 claims25 services$24.47 avg. paid by Medicare
Urinary catheter anchoring device, adhesive skin attachment, each A4333
DME-Orthotic Devices · category DF000N
1 supplier22 claims176 services$2.14 avg. paid by Medicare
Urinary drainage bag, leg or abdomen, vinyl, with or without tube, with straps, each A4358
DME-Orthotic Devices · category DF000N
1 supplier23 claims45 services$6.43 avg. paid by Medicare
Ostomy skin barrier, powder, per oz A4371
DME-Orthotic Devices · category DF010N
2 suppliers11 claims11 services$3.53 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 6

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

Dentist (General Practice)
901 W GLORIA SWITCH RD
LAFAYETTE, LA 70507
Dentist (General Practice)
901 W GLORIA SWITCH RD
LAFAYETTE, LA 70507
Nurse Practitioner (Family)
901 W GLORIA SWITCH RD
LAFAYETTE, LA 70507
Clinic/Center (Dental)
901 W GLORIA SWITCH RD
LAFAYETTE, LA 70507
Dentist (General Practice)
901 W GLORIA SWITCH RD
LAFAYETTE, LA 70507
Internal Medicine
901 W GLORIA SWITCH RD
LAFAYETTE, LA 70507

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 Gerard Williams's NPI number?

The NPI number for Gerard Williams is 1295728749. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Gerard Williams located?

Gerard Williams practices at 901 W Gloria Switch Rd, Lafayette, LA 70507. The listed phone number is (337) 886-0023.

What is Gerard Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gerard Williams enrolled in Medicare?

Yes. Gerard 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.

Does Gerard Williams hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 19D0978900) is associated with this NPI, valid through October 5, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Gerard Williams accept?

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

According to CMS data, Gerard Williams is affiliated with Ochsner Lafayette General Medical Center.

When was this NPI record last updated?

The NPPES record for Gerard Williams was last updated on March 22, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.