Dr. Gary William Dufresne, DO
- Medicare services, 2024
- 86
- Medicare patients, 2024
- 86
- Part D claims, 2024
- 234
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 7700 Floyd Curl Dr, San Antonio, TX 78229
- Practice phone
- Call (210) 575-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Methodist Hospital (TX)
San Antonio, Texas
Find Dr. Dufresne's 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.
Dr. Gary William Dufresne is an emergency medicine physician in San Antonio, Texas
Dr. Dufresne practices at Methodist Hospital (TX) in San Antonio, Texas.
Dr. Dufresne's NPI, 1689664930, was assigned on October 27, 2005. Dr. Dufresne graduated from University of New England, College of Osteo Medicine in 2003. Dr. Dufresne holds Indiana license 02002851A.
- NPI
- 1689664930NPI Registry (opens in a new tab)
- NPI enumeration date
- October 27, 2005
- NPI status
- Active
- Practice phone
- (210) 575-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gary William Dufresne practices at Methodist Hospital (TX) in San Antonio, Texas
Dr. Dufresne's primary practice is Methodist Hospital (TX), at 7700 Floyd Curl Dr, San Antonio, TX 78229 in Bexar County. The practice phone is (210) 575-4000.
- Methodist Hospital (TX)7700 Floyd Curl Dr, San Antonio, TX 78229 · Bexar CountyPhone(210) 575-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary William Dufresne is affiliated with 3 sites of care and 2 medical groups
Dr. Dufresne's primary practice is Methodist Hospital (TX) in San Antonio, Texas. The medical group on file is Emergency Medicine Services of TX, PLLC. Dmand AI also links Dr. Dufresne to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gary William Dufresne's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dufresne practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist Hospital (TX) | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary William Dufresne is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Dr. Dufresne's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Dufresne is licensed in Indiana.
Specialties and state licenses
- Emergency medicine, IndianaPrimary
Emergency medicine physicians near Dr. Dufresne
Counts of emergency medicine physicians 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
Dr. Gary William Dufresne billed Medicare for 86 services in 2024
CMS data shows 86 Medicare services from Dr. Dufresne across 2 procedure codes in 2024, for 86 Medicare patients. Medicare paid $8,220 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Dufresne's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2122024: 8659%
Dr. Dufresne compared with the Texas median for emergency medicine physicians, 2024
- Dr. Dufresne
- Texas median
- Medicare services
- 86vs 22562% below
- Medicare patients
- 86vs 20658% below
- Part D claims
- 135vs 7482% above
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Dufresne's 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 Dr. Dufresne and other emergency medicine physicians in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary William Dufresne treated 86 Medicare patients in 2024, average age 74
CMS counts 86 Medicare patients who saw Dr. Dufresne in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Dufresne's median patient age at 45, with 63% women.
Dr. Dufresne's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dufresne's Medicare patients by sex, 2024
- Women5867%
- Men2833%
Chronic conditions among Dr. Dufresne's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Chronic kidney disease40%
- Anxiety31%
- Diabetes31%
- Heart failure30%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dufresne's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary William Dufresne wrote 234 Medicare Part D claims in 2024
In 2024, Dr. Dufresne wrote 234 Medicare Part D claims for 115 patients. 96% of them were for generic drugs. CMS names the drug for 135 of them, across 6 drugs with 11 or more claims each, at $1,392 in total drug cost. In 2023, CMS named 273 claims across 9 drugs.
Dr. Dufresne's Part D claims by kind of drug, 2024
- Generic225 claims96%
- Brand-name and other9 claims4%
Dr. Dufresne's 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 Dr. Dufresne's Part D claims, 2024
- Opioids16%38 of 234 claims
- Antibiotics21%50 of 234 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2732024: 13551%
Drugs named by CMS: 6 in 2024, 9 in 2023.
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
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Dr. Gary William Dufresne graduated from University of New England, College of Osteo Medicine
Dr. Dufresne graduated from University of New England, College of Osteo Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary William Dufresne'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Gary William Dufresne
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gary William Dufresne's NPI number?
Dr. Gary William Dufresne's NPI number is 1689664930. It was assigned on October 27, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary William Dufresne?
Dr. Gary William Dufresne is an emergency medicine physician in San Antonio, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gary William Dufresne practice?
Dr. Dufresne practices at 7700 Floyd Curl Dr, San Antonio, TX 78229. Dr. Dufresne's primary practice is Methodist Hospital (TX) in San Antonio, Texas. Dmand AI also links Dr. Dufresne to 2 group practices and clinics and 1 medical group.
What is Dr. Gary William Dufresne's office phone number?
The practice phone on file for Dr. Dufresne is (210) 575-4000.
What is Dr. Gary William Dufresne's medical license number?
Dr. Dufresne holds Indiana license 02002851A.
What medical group is Dr. Gary William Dufresne part of?
Dr. Dufresne is linked to Emergency Medicine Services of TX, PLLC. Dmand AI links Dr. Dufresne to 1 more medical group.
Does Dr. Gary William Dufresne accept Medicare?
Yes. CMS data shows Dr. Dufresne billed Medicare for 86 services in 2024.
How many Medicare patients does Dr. Gary William Dufresne see?
CMS counts 86 Medicare patients who saw Dr. Dufresne in 2024, with an average age of 74.
What services does Dr. Gary William Dufresne bill to Medicare?
In 2024, Dr. Dufresne's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
Where did Dr. Gary William Dufresne go to medical school?
Dr. Dufresne graduated from University of New England, College of Osteo Medicine in 2003.
What drugs does Dr. Gary William Dufresne prescribe most?
In 2024 Medicare Part D data, Dr. Dufresne's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron ODT and Methylprednisolone.
How long has Dr. Gary William Dufresne been practicing?
Dr. Dufresne graduated from medical school in 2003, 23 years ago.
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