Garrett Chandler Williams

  • Lafayette, LA
  • Physician assistant
NPI1043946155PAC ID3678945854
Medicare services, 2024
35
Medicare patients, 2024
33
Part D claims, 2024
47
Hospital affiliations
1
Industry payments
$3,057
Practice address
1214 Coolidge Avenue, Lafayette, LA 70503
Practice phone
Call (337) 289-7991
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ochsner Lafayette General Medical Center

Hospital · Lafayette, Louisiana

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Garrett Chandler Williams is a physician assistant in Lafayette, Louisiana

Garrett Williams practices at Ochsner Lafayette General Medical Center in Lafayette, Louisiana, part of Ochsner Health System.

Garrett Williams' NPI, 1043946155, was assigned on July 29, 2022.

NPI and contact details
Medicare PAC ID
3678945854
NPI enumeration date
July 29, 2022
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(337) 289-7991
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
30
Medical school graduation
2022

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Garrett Chandler Williams practices at Ochsner Lafayette General Medical Center in Lafayette, Louisiana

Garrett Williams' primary practice is Ochsner Lafayette General Medical Center, at 1214 Coolidge Avenue, Lafayette, LA 70503 in Lafayette Parish. The practice phone is (337) 289-7991.

Source: Dmand AI Affiliation Data

Garrett Chandler Williams is affiliated with 1 site of care and 2 medical groups

Garrett Williams' primary practice is Ochsner Lafayette General Medical Center in Lafayette, Louisiana, part of Ochsner Health System. The medical group on file is Family Health Plaza. Dmand AI also links Garrett Williams to 1 more medical group, named with a free account.

See all 3 affiliations for Garrett Williams

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Garrett Chandler Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Garrett Williams practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ochsner Lafayette General Medical CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Garrett Chandler Williams is one of 1,286 physician assistants in Louisiana

Physician assistant is Garrett Williams' primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Garrett Williams

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Garrett Chandler Williams billed Medicare for 35 services in 2024

CMS data shows 35 Medicare services from Garrett Williams across 2 procedure codes in 2024, for 33 Medicare patients. Medicare paid $3,049 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202435
Medicare patients33
Paid by Medicare$3,049
Procedure codes2

Garrett Williams compared with the Louisiana median for physician assistants, 2024

  • Garrett Williams
  • Louisiana median
Medicare services
35vs 23085% below
Medicare patients
33vs 7958% below
Part D claims
23vs 24290% below

Medians across 863 physician assistants in Louisiana with Dmand AI profiles that report each measure.

Garrett Williams' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Medicare shows one payer. Book a meeting to get commercial claims data for Garrett Williams and other physician assistants in Louisiana.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Garrett Chandler Williams treated 33 Medicare patients in 2024, average age 74

CMS counts 33 Medicare patients who saw Garrett Williams in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.27, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Garrett Williams' median patient age at 67, with 31% women.

Medicare patients, 202433
Average age74
Average risk score1.27

Garrett Williams' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Garrett Williams' Medicare patients by sex, 2024

  • Women1545%
  • Men1855%

Chronic conditions among Garrett Williams' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease75%
  4. Diabetes67%
  5. Arthritis64%
  6. Atrial fibrillation55%
  7. Heart failure48%
  8. Mood disorders48%

Share of Medicare patients with each condition. A patient can have several.

Garrett Williams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women31%
  • Men67%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Garrett Chandler Williams wrote 47 Medicare Part D claims in 2024

In 2024, Garrett Williams wrote 47 Medicare Part D claims for 35 patients. 83% of them were for generic drugs. CMS names the drug for 23 of them, across 1 drug with 11 or more claims each, at $146 in total drug cost.

Part D claims, 202447
Drugs named by CMS1
Total drug cost$146
Part D patients35

Garrett Williams' Part D claims by kind of drug, 2024

  • Generic39 claims83%
  • Brand-name and other8 claims17%

Garrett Williams' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Garrett Williams' Part D claims, 2024

  • Opioids51%24 of 47 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Garrett Williams

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Garrett Chandler Williams takes part in Medicare

Garrett Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Garrett Chandler Williams received $3,057 in industry payments from 2024 to 2025

CMS Open Payments shows 59 general payments to Garrett Williams from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $1,575.

General payments to Garrett Williams by program year, 2024 to 2025

Companies that paid Garrett Williams the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Garrett Williams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Garrett Chandler Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Garrett Chandler Williams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Garrett Chandler Williams' NPI number?

Garrett Chandler Williams' NPI number is 1043946155. It was assigned on July 29, 2022, and it is active in the NPI Registry.

What does Garrett Chandler Williams specialize in?

Garrett Chandler Williams is a physician assistant in Lafayette, Louisiana. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Garrett Chandler Williams practice?

Garrett Williams practices at 1214 Coolidge Avenue, Lafayette, LA 70503. Garrett Williams' primary practice is Ochsner Lafayette General Medical Center in Lafayette, Louisiana, part of Ochsner Health System. Dmand AI also links Garrett Williams to 1 medical group.

What is Garrett Chandler Williams' office phone number?

The practice phone on file for Garrett Williams is (337) 289-7991.

Which hospitals is Garrett Chandler Williams affiliated with?

Garrett Williams practices at Ochsner Lafayette General Medical Center in Lafayette, Louisiana.

What medical group is Garrett Chandler Williams part of?

Garrett Williams is linked to Family Health Plaza. Dmand AI links Garrett Williams to 1 more medical group.

Does Garrett Chandler Williams accept Medicare?

Yes. CMS data shows Garrett Williams billed Medicare for 35 services in 2024, and Garrett Williams accepts Medicare assignment.

How many Medicare patients does Garrett Chandler Williams see?

CMS counts 33 Medicare patients who saw Garrett Williams in 2024, with an average age of 74.

What services does Garrett Chandler Williams bill to Medicare?

In 2024, Garrett Williams' most billed Medicare services were surgery: heart and blood vessels (33508) and surgery: heart and blood vessels (33533).

What drugs does Garrett Chandler Williams prescribe most?

In 2024 Medicare Part D data, Garrett Williams' most prescribed drugs by claims were Oxycodone-Acetaminophen.

Has Garrett Chandler Williams received payments from drug or device companies?

CMS Open Payments shows $3,057 in general payments to Garrett Williams from 9 companies from 2024 to 2025. The largest total came from Abiomed.

How long has Garrett Chandler Williams been practicing?

Garrett Williams graduated from medical school in 2022, 4 years ago.

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