Dr. Jonathan Williams, DO
- Medicare services, 2024
- 1,741
- Medicare patients, 2024
- 1,066
- Part D claims, 2024
- 1,384
- Hospital affiliations
- 13
- Industry payments
- $1,573
- Practice address
- 1987 S 8th St, Fernandina Beach, FL 32034
- Practice phone
- Call (904) 624-7003
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Amelia Express Care
Urgent Care Center · Fernandina Beach, 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. Jonathan Williams is an emergency medicine physician in Fernandina Beach, Florida
Dr. Williams practices at Amelia Express Care in Fernandina Beach, Florida.
Dr. Williams' NPI, 1346391299, was assigned on January 16, 2007. Dr. Williams holds Georgia license 059237.
- NPI
- 1346391299NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507954799
- NPI enumeration date
- January 16, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (904) 624-7003
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Williams practices at Amelia Express Care in Fernandina Beach, Florida
Dr. Williams' primary practice is Amelia Express Care, at 1987 S 8th St, Fernandina Beach, FL 32034. The practice phone is (904) 624-7003.
- Amelia Express Care1987 S 8th St, Fernandina Beach, FL 32034Phone(904) 624-7003
Source: Dmand AI Affiliation Data
Dr. Jonathan Williams is affiliated with 15 sites of care and 35 medical groups
Dr. Williams' primary practice is Amelia Express Care in Fernandina Beach, Florida. Dr. Williams is also affiliated with Baptist Medical Center Nassau. The medical group on file is Amelia Express Care. Dmand AI also links Dr. Williams to 12 more hospitals, 34 medical groups and 1 group practice or clinic, each named with a free account. Dr. Williams' employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 15 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Amelia Express Care | Available with a free account |
| +14 more sites and 34 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Williams is one of 3,847 emergency medicine physicians in Florida
Emergency medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Williams' licenses on file in 2 states: Georgia and Florida.
Specialties and state licenses
- Emergency medicine, GeorgiaPrimary
- Florida license
Emergency medicine physicians near Dr. Williams
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. Jonathan Williams billed Medicare for 1,741 services in 2024
CMS data shows 1,741 Medicare services from Dr. Williams across 13 procedure codes in 2024, for 1,066 Medicare patients. Medicare paid $147,142 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9702024: 1,40945%
- Tests and treatments
- 2023: 2832024: 33217%
Dr. Williams compared with the Florida median for emergency medicine physicians, 2024
- Dr. Williams
- Florida median
- Medicare services
- 1,741vs 3085.7 times
- Medicare patients
- 1,066vs 2773.8 times
- Part D claims
- 1,099vs 8413.1 times
Medians across 3,699 emergency medicine physicians 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Williams treated 1,066 Medicare patients in 2024, average age 71
CMS counts 1,066 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 382 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.83, 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. Williams' median patient age at 45, with 57% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women56153%
- Men50547%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Anxiety41%
- Mood disorders40%
- Diabetes38%
- Depression37%
- Chronic kidney disease33%
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 45
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan Williams wrote 1,384 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 1,384 Medicare Part D claims for 706 patients. 95% of them were for generic drugs. CMS names the drug for 1,099 of them, across 34 drugs with 11 or more claims each, at $15,561 in total drug cost. In 2023, CMS named 1,988 claims across 47 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic1,316 claims95%
- Brand-name and other68 claims5%
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
- Opioids7%94 of 1,384 claims
- Antibiotics20%273 of 1,384 claims
- Antipsychotics, patients 65 and over2%28 of 1,384 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: 1,9882024: 1,09945%
Drugs named by CMS: 34 in 2024, 47 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
How Dr. Jonathan Williams takes part in Medicare
Dr. 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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Dr. Jonathan Williams received $1,573 in industry payments from 2016 to 2025
CMS Open Payments shows 84 general payments to Dr. Williams from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $336.
General payments to Dr. Williams by program year, 2016 to 2025
Companies that paid Dr. Williams the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonathan 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 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 | Doctors and Clinicians National Downloadable File (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 Dr. Jonathan 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. Jonathan Williams' NPI number?
Dr. Jonathan Williams' NPI number is 1346391299. It was assigned on January 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Williams?
Dr. Jonathan Williams is an emergency medicine physician in Fernandina Beach, Florida. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jonathan Williams practice?
Dr. Williams practices at 1987 S 8th St, Fernandina Beach, FL 32034. Dr. Williams' primary practice is Amelia Express Care in Fernandina Beach, Florida. Dmand AI also links Dr. Williams to 12 hospitals, 34 medical groups and 1 group practice or clinic.
What is Dr. Jonathan Williams' office phone number?
The practice phone on file for Dr. Williams is (904) 624-7003.
What is Dr. Jonathan Williams' medical license number?
Dr. Williams holds Georgia license 059237, one of the licenses on file in 2 states.
Which states has Dr. Jonathan Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in Georgia and Florida.
Which hospitals is Dr. Jonathan Williams affiliated with?
Dr. Williams is affiliated with Baptist Medical Center Nassau. Dmand AI links Dr. Williams to 12 more hospitals.
What medical group is Dr. Jonathan Williams part of?
Dr. Williams is linked to Amelia Express Care. Dmand AI links Dr. Williams to 34 more medical groups.
Does Dr. Jonathan Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 1,741 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Jonathan Williams see?
CMS counts 1,066 Medicare patients who saw Dr. Williams in 2024, with an average age of 71.
Show 4 more questionsShow fewer questions
What services does Dr. Jonathan Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
What drugs does Dr. Jonathan Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Ibuprofen, Cephalexin and Cyclobenzaprine HCl.
Has Dr. Jonathan Williams received payments from drug or device companies?
CMS Open Payments shows $1,573 in general payments to Dr. Williams from 14 companies from 2016 to 2025. The largest total came from Alkermes, Inc.
How long has Dr. Jonathan Williams been practicing?
Dr. Williams graduated from medical school in 2005, 21 years ago.
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