Brent Thomas Marshall, PA-C
- Medicare services, 2024
- 165
- Medicare patients, 2024
- 140
- Part D claims, 2024
- 184
- MIPS score, 2024
- 87
- Hospital affiliations
- 2
- Practice address
- 4201 Belfort Rd, Jacksonville, FL 32216
- Practice phone
- Call (904) 296-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Brent Thomas Marshall is a physician assistant in Jacksonville, Florida
Brent Marshall practices at Ascension St. Vincent's Southside Hospital in Jacksonville, Florida, part of Ascension Health Alliance.
Brent Marshall's NPI, 1952854721, was assigned on July 28, 2016. Brent Marshall holds Florida license PA9109612.
- NPI
- 1952854721NPI Registry (opens in a new tab)
- NPI enumeration date
- July 28, 2016
- NPI status
- Active
- Practice phone
- (904) 296-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Brent Thomas Marshall practices at Ascension St. Vincent's Southside Hospital in Jacksonville, Florida
Brent Marshall's primary practice is Ascension St. Vincent's Southside Hospital, at 4201 Belfort Rd, Jacksonville, FL 32216 in Duval County. The practice phone is (904) 296-3700.
- Ascension St. Vincent's Southside Hospital4201 Belfort Rd, Jacksonville, FL 32216 · Duval CountyPhone(904) 296-3700
Source: Dmand AI Affiliation Data
Brent Thomas Marshall is affiliated with 2 sites of care and 3 medical groups
Brent Marshall's primary practice is Ascension St. Vincent's Southside Hospital in Jacksonville, Florida, part of Ascension Health Alliance. The medical group on file is Vituity. Dmand AI also links Brent Marshall to 1 more hospital and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Brent Thomas Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brent Marshall practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. Vincent's Southside Hospital | Available with a free account |
| +1 more site and 2 medical groups | 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 Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Brent Thomas Marshall is one of 7,899 physician assistants in Florida
Physician assistant is Brent Marshall's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Brent Marshall is licensed in Florida.
Specialties and state licenses
- Physician assistant, FloridaPrimary
Physician assistants near Brent Marshall
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
Brent Thomas Marshall billed Medicare for 165 services in 2024
CMS data shows 165 Medicare services from Brent Marshall across 3 procedure codes in 2024, for 140 Medicare patients. Medicare paid $13,322 for them. Every service was in a facility, such as a hospital, rather than an office.
Brent Marshall's Medicare services by type, 2024
- Office and hospital visits135
- Tests and treatments30
Brent Marshall compared with the Florida median for physician assistants, 2024
- Brent Marshall
- Florida median
- Medicare services
- 165vs 32149% below
- Medicare patients
- 140vs 1308% above
- Part D claims
- 61vs 32681% below
Medians across 5,430 physician assistants in Florida with Dmand AI profiles that report each measure.
Brent Marshall'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Brent Thomas Marshall treated 140 Medicare patients in 2024, average age 74
CMS counts 140 Medicare patients who saw Brent Marshall in 2024. The largest group is 75 to 84, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Brent Marshall's median patient age at 61, with 61% women.
Brent Marshall's Medicare patients by age, 2024
Brent Marshall's Medicare patients by sex, 2024
- Women8561%
- Men5539%
Chronic conditions among Brent Marshall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes42%
- Ischemic heart disease38%
- Anxiety34%
- Chronic kidney disease32%
- COPD30%
Share of Medicare patients with each condition. A patient can have several.
Brent Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Brent Thomas Marshall wrote 184 Medicare Part D claims in 2024
In 2024, Brent Marshall wrote 184 Medicare Part D claims for 124 patients. 96% of them were for generic drugs. CMS names the drug for 61 of them, across 4 drugs with 11 or more claims each, at $256 in total drug cost.
Brent Marshall's Part D claims by kind of drug, 2024
- Generic176 claims96%
- Brand-name and other8 claims4%
Brent Marshall'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 Brent Marshall's Part D claims, 2024
- Antibiotics39%71 of 184 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
Brent Thomas Marshall scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Brent Marshall for performance year 2024, reported as part of a group.
Brent Marshall's MIPS scores, performance year 2024
- 87of 100Final score
- 70.9of 100Quality
- 40of 100Improvement Activities
- 93of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Brent Thomas Marshall received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Brent Marshall from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $16.
Companies that paid Brent Marshall the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Brent Thomas Marshall'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 | Clinician Public Reporting: Overall MIPS Performance (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 Brent Thomas Marshall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brent Thomas Marshall's NPI number?
Brent Thomas Marshall's NPI number is 1952854721. It was assigned on July 28, 2016, and it is active in the NPI Registry.
What does Brent Thomas Marshall specialize in?
Brent Thomas Marshall is a physician assistant in Jacksonville, Florida. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Brent Thomas Marshall practice?
Brent Marshall practices at 4201 Belfort Rd, Jacksonville, FL 32216. Brent Marshall's primary practice is Ascension St. Vincent's Southside Hospital in Jacksonville, Florida, part of Ascension Health Alliance. Dmand AI also links Brent Marshall to 1 hospital and 2 medical groups.
What is Brent Thomas Marshall's office phone number?
The practice phone on file for Brent Marshall is (904) 296-3700.
What is Brent Thomas Marshall's medical license number?
Brent Marshall holds Florida license PA9109612.
Which hospitals is Brent Thomas Marshall affiliated with?
Brent Marshall practices at Ascension St. Vincent's Southside Hospital in Jacksonville, Florida. Dmand AI links Brent Marshall to 1 more hospital.
What medical group is Brent Thomas Marshall part of?
Brent Marshall is linked to Vituity. Dmand AI links Brent Marshall to 2 more medical groups.
Does Brent Thomas Marshall accept Medicare?
Yes. CMS data shows Brent Marshall billed Medicare for 165 services in 2024.
What is Brent Thomas Marshall's MIPS score?
Brent Marshall's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Brent Thomas Marshall see?
CMS counts 140 Medicare patients who saw Brent Marshall in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Brent Thomas Marshall bill to Medicare?
In 2024, Brent Marshall's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
What drugs does Brent Thomas Marshall prescribe most?
In 2024 Medicare Part D data, Brent Marshall's most prescribed drugs by claims were Prednisone, Cephalexin and Azithromycin.
Has Brent Thomas Marshall received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Brent Marshall from 1 company from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Brent Thomas Marshall been practicing?
Brent Marshall's NPI was assigned in 2016.
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