Brian Jason McWilliams, AAC

  • Jacksonville, FL
  • Anesthesiologist assistant
NPI1528291697PAC ID4880731165
Medicare patients, 2024
149
Hospital affiliations
2
Medical group
1
State license
1
Year NPI issued
2009
Practice address
4201 Belfort Rd, Jacksonville, FL 32216
Practice phone
Call (904) 296-3700
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ascension St. Vincent's Southside Hospital

Hospital · Jacksonville, Florida

See all 4 affiliations

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Brian Jason McWilliams is an anesthesiologist assistant in Jacksonville, Florida

Brian McWilliams practices at Ascension St. Vincent's Southside Hospital in Jacksonville, Florida, part of Ascension Health Alliance.

Brian McWilliams' NPI, 1528291697, was assigned on August 24, 2009. Brian McWilliams graduated from Emory University School of Medicine in 2009.

NPI and contact details
Medicare PAC ID
4880731165
NPI enumeration date
August 24, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(904) 296-3700
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
43
Medical school graduation
2009

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

Brian Jason McWilliams practices at Ascension St. Vincent's Southside Hospital in Jacksonville, Florida

Brian McWilliams' 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.

Source: Dmand AI Affiliation Data

Brian Jason McWilliams is affiliated with 3 sites of care and 1 medical group

Brian McWilliams' primary practice is Ascension St. Vincent's Southside Hospital in Jacksonville, Florida, part of Ascension Health Alliance. The medical group on file is North Florida Anesthesia Consultants. Dmand AI also links Brian McWilliams to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 4 affiliations for Brian McWilliams

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

Dmand AI tracks the EHR system at Brian Jason McWilliams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Brian McWilliams practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ascension St. Vincent's Southside HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Brian Jason McWilliams is one of 851 anesthesiologist assistants in Florida

Anesthesiologist assistant is Brian McWilliams' primary specialty in the NPI Registry, under taxonomy code 367H00000X. Brian McWilliams has a license on file in Florida.

Specialties and state licenses

  • Anesthesiologist assistant, Floridataxonomy 367H00000X

Anesthesiologist assistants near Brian McWilliams

Counts of anesthesiologist 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

Brian Jason McWilliams treated 149 Medicare patients in 2024, average age 74

CMS counts 149 Medicare patients who saw Brian McWilliams in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.06, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Brian McWilliams' median patient age at 62, with 67% women.

Medicare patients, 2024149
Average age74
Average risk score1.06

Brian McWilliams' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Brian McWilliams' Medicare patients by sex, 2024

  • Women9060%
  • Men5940%

Chronic conditions among Brian McWilliams' Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes36%
  5. Mood disorders35%
  6. Ischemic heart disease34%
  7. Anxiety32%
  8. Depression31%

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

Brian McWilliams' patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women67%
  • Men33%

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

How Brian Jason McWilliams takes part in Medicare

Brian McWilliams 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)

Brian Jason McWilliams graduated from Emory University School of Medicine

Brian McWilliams graduated from Emory University School of Medicine in 2009.

  1. Medical schoolEmory University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Brian Jason McWilliams'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 patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Brian Jason McWilliams

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

What is Brian Jason McWilliams' NPI number?

Brian Jason McWilliams' NPI number is 1528291697. It was assigned on August 24, 2009, and it is active in the NPI Registry.

What does Brian Jason McWilliams specialize in?

Brian Jason McWilliams is an anesthesiologist assistant in Jacksonville, Florida. The primary specialty in the NPI Registry is Anesthesiologist Assistant (taxonomy code 367H00000X).

Where does Brian Jason McWilliams practice?

Brian McWilliams practices at 4201 Belfort Rd, Jacksonville, FL 32216. Brian McWilliams' primary practice is Ascension St. Vincent's Southside Hospital in Jacksonville, Florida, part of Ascension Health Alliance. Dmand AI also links Brian McWilliams to 1 hospital and 1 group practice or clinic.

What is Brian Jason McWilliams' office phone number?

The practice phone on file for Brian McWilliams is (904) 296-3700.

Which hospitals is Brian Jason McWilliams affiliated with?

Brian McWilliams practices at Ascension St. Vincent's Southside Hospital in Jacksonville, Florida. Dmand AI links Brian McWilliams to 1 more hospital.

What medical group is Brian Jason McWilliams part of?

Brian McWilliams is linked to North Florida Anesthesia Consultants.

Does Brian Jason McWilliams accept Medicare?

Yes. CMS lists Brian McWilliams as accepting Medicare assignment.

How many Medicare patients does Brian Jason McWilliams see?

CMS counts 149 Medicare patients who saw Brian McWilliams in 2024, with an average age of 74.

Where did Brian Jason McWilliams go to medical school?

Brian McWilliams graduated from Emory University School of Medicine in 2009.

How long has Brian Jason McWilliams been practicing?

Brian McWilliams graduated from medical school in 2009, 17 years ago.

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