David W. Williams, PA
- Medicare services, 2024
- 135
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 8,924
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 100 Arricola Ave, Saint Augustine, FL 32080-4515
- Practice phone
- Call (904) 825-4368
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Island Doctors
Primary care practice · Saint Augustine, Florida
Find David 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.
David W. Williams is a physician assistant in Saint Augustine, Florida
David Williams practices at Island Doctors in Saint Augustine, Florida.
David Williams' NPI, 1457523011, was assigned on March 24, 2008. David Williams graduated from University of North Dakota School of Medicine in 1998. David Williams holds Florida license PA3576.
- NPI
- 1457523011NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294800140
- NPI enumeration date
- March 24, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (904) 825-4368
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
David W. Williams practices at Island Doctors in Saint Augustine, Florida
David Williams' primary practice is Island Doctors, at 100 Arricola Ave, Saint Augustine, FL 32080-4515. The practice phone is (904) 825-4368.
- Island Doctors100 Arricola Ave, Saint Augustine, FL 32080-4515Phone(904) 825-4368
Source: Dmand AI Affiliation Data
David W. Williams is affiliated with 3 sites of care and 1 medical group
David Williams' primary practice is Island Doctors in Saint Augustine, Florida. David Williams is also affiliated with AdventHealth Palm Coast. The medical group on file is Island Doctors. Dmand AI also links David Williams to 1 more hospice, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David W. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Williams practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Island Doctors | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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David W. Williams is one of 7,899 physician assistants in Florida
Physician assistant is David Williams' primary specialty in the NPI Registry, under taxonomy code 363A00000X. David Williams is licensed in Florida.
Specialties and state licenses
- Physician assistant, FloridaPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, chronic indigestion, chronic kidney disease, chronic obstructive pulmonary disease (COPD), diabetic emergency, ear eustachian tube disorders and enlarged prostate among the conditions David Williams treats.
Physician assistants near David 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
David W. Williams billed Medicare for 135 services in 2024
CMS data shows 135 Medicare services from David Williams across 2 procedure codes in 2024, all of them office visits, for 49 Medicare patients. Medicare paid $7,953 for them. Every service was in an office.
David Williams compared with the Florida median for physician assistants, 2024
- David Williams
- Florida median
- Medicare services
- 135vs 32158% below
- Medicare patients
- 49vs 13062% below
- Part D claims
- 8,290vs 32625.4 times
Medians across 5,430 physician assistants in Florida with Dmand AI profiles that report each measure.
David 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
David W. Williams treated 49 Medicare patients in 2024, average age 76
CMS counts 49 Medicare patients who saw David Williams in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts David Williams' median patient age at 77, with 53% women.
David Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
David Williams' Medicare patients by sex, 2024
- Women2449%
- Men2551%
Chronic conditions among David Williams' Medicare patients, 2024
- High cholesterol75%
- High blood pressure63%
- Arthritis45%
- Chronic kidney disease33%
- Diabetes29%
- Atrial fibrillation27%
- Ischemic heart disease24%
Share of Medicare patients with each condition. A patient can have several.
David Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David W. Williams wrote 8,924 Medicare Part D claims in 2024
In 2024, David Williams wrote 8,924 Medicare Part D claims for 1,006 patients. 93% of them were for generic drugs. CMS names the drug for 8,290 of them, across 100 drugs with 11 or more claims each, at $273,139 in total drug cost.
David Williams' Part D claims by kind of drug, 2024
- Generic8,330 claims93%
- Brand-name561 claims6%
- Other33 claims0%
David 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 David Williams' Part D claims, 2024
- Antibiotics9%762 of 8,924 claims
- Antipsychotics, patients 65 and over0%20 of 8,924 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 David W. Williams takes part in Medicare
David 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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David W. Williams graduated from University of North Dakota School of Medicine
David Williams graduated from University of North Dakota School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for David W. 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 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) |
| 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 David W. 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 David W. Williams' NPI number?
David W. Williams' NPI number is 1457523011. It was assigned on March 24, 2008, and it is active in the NPI Registry.
What does David W. Williams specialize in?
David W. Williams is a physician assistant in Saint Augustine, Florida. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does David W. Williams practice?
David Williams practices at 100 Arricola Ave, Saint Augustine, FL 32080-4515. David Williams' primary practice is Island Doctors in Saint Augustine, Florida. Dmand AI also links David Williams to 1 hospice.
What is David W. Williams' office phone number?
The practice phone on file for David Williams is (904) 825-4368.
What is David W. Williams' medical license number?
David Williams holds Florida license PA3576.
Which hospitals is David W. Williams affiliated with?
David Williams is affiliated with AdventHealth Palm Coast.
What medical group is David W. Williams part of?
David Williams is linked to Island Doctors.
Does David W. Williams accept Medicare?
Yes. CMS data shows David Williams billed Medicare for 135 services in 2024, and David Williams accepts Medicare assignment.
How many Medicare patients does David W. Williams see?
CMS counts 49 Medicare patients who saw David Williams in 2024, with an average age of 76.
What services does David W. Williams bill to Medicare?
In 2024, David Williams' most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
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Where did David W. Williams go to medical school?
David Williams graduated from University of North Dakota School of Medicine in 1998.
What drugs does David W. Williams prescribe most?
In 2024 Medicare Part D data, David Williams' most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Fenofibrate.
How long has David W. Williams been practicing?
David Williams graduated from medical school in 1998, 28 years ago.
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