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GARY DEAN WILLIAMS MD
NPI 1093747297
Internal Medicine in Shreveport, LA

Active since July 07, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 19D0979641 · Waiver
2520 BERT KOUNS INDUSTRIAL LOOP, SUITE 202, SHREVEPORT, LA 71118(318) 212-5040(318) 212-5045 Get Directions Write a Review

NPPES record last updated: December 21, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Gary Dean Williams Md NPPES

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

GARY DEAN WILLIAMS MD (NPI 1093747297) is an individual internal medicine provider in Shreveport, Louisiana, licensed in Louisiana (06590R) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through October 26, 2028, and is affiliated with Willis Knighton Medical Center.

NPPES Registry Identity

NPI1093747297
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGARY DEAN WILLIAMSCredential: MD
Location Address2520 BERT KOUNS INDUSTRIAL LOOP, SUITE 202Shreveport, LA 71118-3130
Mailing Address2520 Bert Kouns Industrial Loop, Suite 202Shreveport, LA 71118-3130 · (318) 212-5040 · Fax (318) 212-5045
Phone(318) 212-5040
Fax(318) 212-5045
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Kansas City, School Of MedicineGraduated 1979
Enumeration DateJuly 7, 2006
Last NPPES UpdateDecember 21, 2007
✔ NPI 1093747297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in LA · 06590R
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.
2520 BERT KOUNS INDUSTRIAL LOOP, Shreveport, LA 71118
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Other Identifiers 4

Medicare UPINB61271
Medicaid1339482LA
Medicare PIN5H721LA
Medicare PIN5H721C731LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and more.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

Gary Dean 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 ID547350829
PECOS Enrollment IDI20071227000128
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

2

Medicare enrollment records show Gary Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gary Williams MD And Willis-Knighton Medical Center
Same address
Internal Medicine
2520 BERT KOUNS INDUSTRIAL LOOP, SUITE 202
Shreveport, LA 71118
  • Reassigned Medicare billing, Louisiana enrollment
NPI 1598796583 (318) 212-5040
Wk Pierremont Hospitalists
5.4 mi
Hospitalist
8001 YOUREE DR, SUITE 4007
Shreveport, LA 71115
  • Reassigned Medicare billing, Louisiana enrollment
  • 32 clinicians in this Medicare group
NPI 1326074832 (318) 212-3821

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 of Waiver 19D0979641

Dr Gary Williams · Shreveport, LA
Active · expires Oct 26, 2028
CLIA Number19D0979641
Laboratory TypePhysician Office
Certificate Effective DateOctober 27, 2026
Certificate Expiration DateOctober 26, 2028
Laboratory DirectorGary D. Williams, MD
Laboratory Phone(318) 212-5040
Laboratory LocationDr Gary Williams2520 Bert Kouns, Suite 202, Shreveport, LA 71118
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 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.
657 services135 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
79 services77 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
11 services11 patients
Administration of pneumococcal vaccine G0009
The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Willis Knighton Medical Center

Acute Care Hospitals · Shreveport, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190111
Location2600 Greenwood RoadShreveport, LA 71103 · Caddo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71118 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Diabetes Mellitus: Diabetic Foot and Ankle Care, Peripheral Neuropathy - Neurological Evaluation
Percentage of patients aged 18 years and older with a diagnosis of diabetes mellitus who had a neurological examination of their lower extremities within 12 months
72%39 patients3/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%168 patients5/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
68%1,956 patients3/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
33%33 patients2/55-star benchmark: 98%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
96%383 patients4/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
38%90 patients2/55-star benchmark: 95%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
99%147 patients4/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
97%380 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
0%380 patients1/55-star benchmark: 79%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 9

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
7 suppliers12 claims26 services$6.10 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
3 suppliers12 claims12 services$86.38 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
4 suppliers13 claims13 services$15.78 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers15 claims86 services$2.41 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier15 claims15 services$16.49 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier12 claims12 services$33.34 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 8

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

JAMES WAINWRIGHT THOMPSON MD
Family Medicine
2520 BERT KOUNS INDUSTRIAL LOOP, SUITE 102
SHREVEPORT, LA 71118
Caddo Parish (318) 686-7451
DR. THANH DAI VO M.D.
Family Medicine
2520 BERT KOUNS INDUSTRIAL LOOP, SUITE 105
SHREVEPORT, LA 71118
Caddo Parish (318) 212-5520
HOLLY RIVERS NP
Nurse Practitioner (Pediatrics)
2520 BERT KOUNS INDUSTRIAL LOOP, SUITE 105
SHREVEPORT, LA 71118
Caddo Parish (318) 212-5520
HAROLD W KING DDS APDC
Dentist (General Practice)
2520 BERT KOUNS INDUSTRIAL LOOP, STE 104
SHREVEPORT, LA 71118
Caddo Parish (318) 686-0572
GARY WILLIAMS MD AND WILLIS-KNIGHTON MEDICAL CENTER
Internal Medicine
2520 BERT KOUNS INDUSTRIAL LOOP, SUITE 202
SHREVEPORT, LA 71118
Caddo Parish (318) 212-5040
JAMES W. THOMPSON MD AND WILLIS-KNIGHTON MEDICAL CENTER
Family Medicine
2520 BERT KOUNS INDUSTRIAL LOOP, SUITE 102
SHREVEPORT, LA 71118
Caddo Parish (318) 686-7451
WK URGENT CARE CENTER-SOUTH
Family Medicine
2520 BERT KOUNS INDUSTRIAL LOOP, SUITE 105
SHREVEPORT, LA 71118
Caddo Parish (318) 212-5520
DR. RAVINDRA HOWARD GOEL M.D.
Family Medicine
2520 BERT KOUNS INDUSTRIAL LOOP, SUITE 105B
SHREVEPORT, LA 71118
Caddo Parish (318) 212-5750

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 Gary Williams's NPI number?

The NPI number for Gary Williams is 1093747297. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Gary Williams located?

Gary Williams practices at 2520 Bert Kouns Industrial Loop Suite 202, Shreveport, LA 71118. The listed phone number is (318) 212-5040.

What is Gary Williams's specialty?

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

Is Gary Williams enrolled in Medicare?

Yes. Gary 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.

Which organizations bill Medicare for Gary Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gary Williams reassigns Medicare benefits to 2 organizations: Gary Williams MD And Willis-Knighton Medical Center (Shreveport, LA) and Wk Pierremont Hospitalists (Shreveport, LA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gary Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Does Gary Williams hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 19D0979641) is associated with this NPI, valid through October 26, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Gary Williams accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Blue Cross and Blue Shield of Louisiana and 2 other insurers list Gary 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 Gary Williams affiliated with any hospitals?

According to CMS data, Gary Williams is affiliated with Willis Knighton Medical Center.

When was this NPI record last updated?

The NPPES record for Gary Williams was last updated on December 21, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.