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Dr. John C. Williams, MD
NPI1316040546PAC ID5193745248
- Medicare services, 2024
- 5,144
- Medicare patients, 2024
- 1,062
- Part D claims, 2024
- 2,000
- Publications
- 1
- MIPS score, 2024
- 75
- Practice address
- 7017 A C Skinner Pkwy, Jacksonville, FL 32256
- Practice phone
- Call (904) 520-6800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Florida Physician Specialists
Jacksonville, Florida
Find Dr. 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.
Dr. John C. Williams is a urologist in Jacksonville, Florida
Dr. Williams practices at Florida Physician Specialists in Jacksonville, Florida.
Dr. Williams' NPI, 1316040546, was assigned on September 6, 2006. Dr. Williams graduated from VCU School of Medicine in 1990. Dr. Williams holds Florida license ME78950.
NPI and contact details
- NPI
- 1316040546NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193745248
- NPI enumeration date
- September 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (904) 520-6800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John C. Williams practices at Florida Physician Specialists in Jacksonville, Florida
Dr. Williams' primary practice is Florida Physician Specialists, at 7017 A C Skinner Pkwy, Jacksonville, FL 32256 in Duval County. The practice phone is (904) 520-6800.
- Florida Physician Specialists7017 A C Skinner Pkwy, Jacksonville, FL 32256 · Duval CountyPhone(904) 520-6800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John C. Williams is affiliated with 5 sites of care and 2 medical groups
Dr. Williams' primary practice is Florida Physician Specialists in Jacksonville, Florida. Dr. Williams is also affiliated with Baptist Medical Center Jacksonville. The medical group on file is Florida Physician Specialists. Dmand AI also links Dr. Williams to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Florida Physician SpecialistsPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John C. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Florida Physician Specialists | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. John C. Williams is one of 920 urologists in Florida
Urology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Williams is board certified in urology by the American Board of Urology. Dmand AI has Dr. Williams' licenses on file in 3 states: Florida, New Hampshire and Pennsylvania.
Specialties and state licenses
- Urology, FloridaPrimary
- New Hampshire license
- Pennsylvania license
Clinical focus
Dmand AI lists bladder disease, bladder removal, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney cysts, kidney removal surgery and kidney stone disease among the conditions Dr. Williams treats.
Urologists near Dr. Williams
Counts of urologists 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. John C. Williams billed Medicare for 5,144 services in 2024
CMS data shows 5,144 Medicare services from Dr. Williams across 26 procedure codes in 2024, for 1,062 Medicare patients. Medicare paid $247,471 for them.
Medicare services, 20245,144
Medicare patients1,062
Paid by Medicare$247,471
Procedure codes26
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,3312024: 2,1737%
- Lab and pathology
- 2023: 1,7592024: 1,8726%
- Drugs given in the office
- 2023: 4372024: 4204%
- Surgery
- 2023: 3112024: 3151%
- Tests and treatments
- 2023: 2002024: 1905%
- Imaging
- 2023: 1272024: 17437%
Where Dr. Williams' Medicare services took place, 2024
- In an office4,74392%
- In a facility4018%
Dr. Williams compared with the Florida median for urologists, 2024
- Dr. Williams
- Florida median
- Medicare services
- 5,144vs 1,3523.8 times
- Medicare patients
- 1,062vs 4402.4 times
- Part D claims
- 1,911vs 9362.0 times
Medians across 860 urologists in Florida with Dmand AI profiles that report each measure.
Dr. 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 Dr. Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other urologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John C. Williams treated 1,062 Medicare patients in 2024, average age 77
CMS counts 1,062 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 474 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 76, with 19% women.
Medicare patients, 20241,062
Average age77
Average risk score1.33
Also on Medicaid3%
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women22521%
- Men83779%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease43%
- Chronic kidney disease32%
- Atrial fibrillation30%
- Diabetes29%
- Cancer27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women19%
- Men80%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John C. Williams wrote 2,000 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 2,000 Medicare Part D claims for 549 patients. 87% of them were for generic drugs. CMS names the drug for 1,911 of them, across 22 drugs with 11 or more claims each, at $210,306 in total drug cost. In 2023, CMS named 1,767 claims across 23 drugs.
Part D claims, 20242,000
Drugs named by CMS22
Total drug cost$210,306
Part D patients549
Dr. Williams' Part D claims by kind of drug, 2024
- Generic1,740 claims87%
- Brand-name260 claims13%
Dr. 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 Dr. Williams' Part D claims, 2024
- Opioids3%65 of 2,000 claims
- Antibiotics14%281 of 2,000 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: 1,7672024: 1,9118%
Drugs named by CMS: 22 in 2024, 23 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
Dr. John C. Williams scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Williams for performance year 2024, reported individually. Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. John C. Williams has 1 publication on record
Dmand AI links 1 paper to Dr. Williams. Dr. Williams' most frequent co-authors are Mark T. Dransfield, Jeffrey James Garner, MD and Jennifer L. Trevor.
Papers1
Dr. Williams' most frequent co-authors
- Mark T. Dransfield1 shared paper
- Jeffrey James Garner, MD1 shared paper
- Jennifer L. Trevor1 shared paper
Recent publications by Dr. Williams
See who Dr. Williams researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Williams works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John C. Williams received $858 in industry payments from 2017 to 2025
CMS Open Payments shows 31 general payments to Dr. Williams from 17 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 92% of the total. Astellas Pharma US Inc paid the most, $237.
General payments to Dr. Williams by program year, 2017 to 2025
General payments to Dr. Williams by kind, 2017 to 2025
$858in total
- Food and beverage$78892%
- Education$708%
Companies that paid Dr. Williams the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John C. Williams graduated from VCU School of Medicine
Dr. Williams graduated from VCU School of Medicine in 1990.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. John C. Williams accepts plans from 18 insurance carriers
Dr. Williams is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Humana
- +10 more carriersWith a free account
Plan types Dr. Williams accepts, by number of carriers
- Medicare12
- PPO12
- HMO11
- POS6
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. John C. 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 | 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John C. 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 Dr. John C. Williams' NPI number?
Dr. John C. Williams' NPI number is 1316040546. It was assigned on September 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John C. Williams?
Dr. John C. Williams is a urologist in Jacksonville, Florida. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. John C. Williams practice?
Dr. Williams practices at 7017 A C Skinner Pkwy, Jacksonville, FL 32256. Dr. Williams' primary practice is Florida Physician Specialists in Jacksonville, Florida. Dmand AI also links Dr. Williams to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. John C. Williams' office phone number?
The practice phone on file for Dr. Williams is (904) 520-6800.
What is Dr. John C. Williams' medical license number?
Dr. Williams holds Florida license ME78950, one of the licenses on file in 3 states.
Which states has Dr. John C. Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in Florida (1998 to 2026), New Hampshire (since 1993) and Pennsylvania (1995 to 2002).
Which hospitals is Dr. John C. Williams affiliated with?
Dr. Williams is affiliated with Baptist Medical Center Jacksonville. Dmand AI links Dr. Williams to 1 more hospital.
What medical group is Dr. John C. Williams part of?
Dr. Williams is linked to Florida Physician Specialists. Dmand AI links Dr. Williams to 1 more medical group.
Does Dr. John C. Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 5,144 services in 2024, and Dr. Williams accepts Medicare assignment.
What is Dr. John C. Williams' MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 75 out of 100, reported individually.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. John C. Williams see?
CMS counts 1,062 Medicare patients who saw Dr. Williams in 2024, with an average age of 77.
Is Dr. John C. Williams board certified?
Yes. Dr. Williams is board certified in urology by the American Board of Urology.
What services does Dr. John C. Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were lab and pathology test (81003), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. John C. Williams go to medical school?
Dr. Williams graduated from VCU School of Medicine in 1990.
What drugs does Dr. John C. Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Tamsulosin HCl, Myrbetriq and Finasteride.
Has Dr. John C. Williams received payments from drug or device companies?
CMS Open Payments shows $858 in general payments to Dr. Williams from 17 companies from 2017 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. John C. Williams been practicing?
Dr. Williams graduated from medical school in 1990, 36 years ago.
Does Dr. John C. Williams do research?
Dmand AI links 1 publication to Dr. Williams.
Who does Dr. John C. Williams publish with?
Dr. Williams' most frequent co-authors are Mark T. Dransfield (1 shared paper), Jeffrey James Garner, MD (1 shared paper) and Jennifer L. Trevor (1 shared paper).
What insurance does Dr. John C. Williams accept?
Dr. Williams is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 12. Check the plan with the practice before a visit.
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