Garrett Chandler Williams
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Garrett Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1043946155NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678945854
- NPI enumeration date
- July 29, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (337) 289-7991
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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.
- Ochsner Lafayette General Medical Center1214 Coolidge Avenue, Lafayette, LA 70503 · Lafayette ParishPhone(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.
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.
| Site | EHR vendor and product |
|---|---|
| Ochsner Lafayette General Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ochsner Health System and 6.2K+ hospitals, with verified contacts in the same login.
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 assistantPrimary
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.
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.
Need commercial claims for Garrett Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Garrett Williams and other physician assistants in Louisiana.
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.
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
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Diabetes67%
- Arthritis64%
- Atrial fibrillation55%
- Heart failure48%
- 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.
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.
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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
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.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Garrett Chandler Williams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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.
Selling to physician assistant practices?
See physician assistants in Louisiana by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card