Katie J. Marks, APRN
- Medicare services, 2024
- 34
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 1,229
- Hospital affiliations
- 1
- Industry payments
- $1,437
- Practice address
- 1824 King St, Jacksonville, FL 32204
- Practice phone
- Call (904) 384-3343
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cardiothoracic & Vascular Surgical Associates PA
Jacksonville, Florida
Find Katie Marks' professional email, personal email and mobile number
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Katie J. Marks is a nurse practitioner in Jacksonville, Florida
Katie Marks practices at Cardiothoracic & Vascular Surgical Associates PA in Jacksonville, Florida.
Katie Marks' NPI, 1841922531, was assigned on June 30, 2022. Katie Marks holds Florida license APRN11019803.
- NPI
- 1841922531NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870974181
- NPI enumeration date
- June 30, 2022
- NPI status
- Active
- Practice phone
- (904) 384-3343
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Katie J. Marks practices at Cardiothoracic & Vascular Surgical Associates PA in Jacksonville, Florida
Katie Marks' primary practice is Cardiothoracic & Vascular Surgical Associates PA, at 1824 King St, Jacksonville, FL 32204 in Duval County. The practice phone is (904) 384-3343.
- Cardiothoracic & Vascular Surgical Associates PA1824 King St, Jacksonville, FL 32204 · Duval CountyPhone(904) 384-3343
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katie J. Marks is affiliated with 3 sites of care and 1 medical group
Katie Marks' primary practice is Cardiothoracic & Vascular Surgical Associates PA in Jacksonville, Florida. Katie Marks is also affiliated with Ascension Sacred Heart Gulf. The medical group on file is Cardiothoracic & Vascular Surgical Associates. Dmand AI also links Katie Marks to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Katie J. Marks' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katie Marks practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cardiothoracic & Vascular Surgical Associates PA | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Katie J. Marks is one of 5,914 nurse practitioners in Florida
Nurse practitioner is Katie Marks' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Katie Marks is licensed in Florida.
Specialties and state licenses
- Nurse practitioner, FloridaPrimary
Clinical focus
Dmand AI lists fluid in a joint and muscle pain, fibromyalgia, and limb pain among the conditions Katie Marks treats.
Nurse practitioners near Katie Marks
Counts of nurse practitioners 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
Katie J. Marks billed Medicare for 34 services in 2024
CMS data shows 34 Medicare services from Katie Marks across 2 procedure codes in 2024, all of them office visits, for 54 Medicare patients. Medicare paid $1,980 for them. Every service was in an office.
Katie Marks compared with the Florida median for nurse practitioners, 2024
- Katie Marks
- Florida median
- Medicare services
- 34vs 36691% below
- Medicare patients
- 54vs 12557% below
- Part D claims
- 818vs 410100% above
Medians across 3,670 nurse practitioners in Florida with Dmand AI profiles that report each measure.
Katie Marks' 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
Katie J. Marks treated 54 Medicare patients in 2024, average age 69
CMS counts 54 Medicare patients who saw Katie Marks in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 2.28, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Katie Marks' median patient age at 66, with 58% women.
Katie Marks' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Katie Marks' Medicare patients by sex, 2024
- Women2750%
- Men2750%
Chronic conditions among Katie Marks' Medicare patients, 2024
- High blood pressure75%
- High cholesterol63%
- Arthritis43%
- Chronic kidney disease43%
- Ischemic heart disease39%
- Diabetes35%
- Atrial fibrillation31%
- Heart failure31%
Share of Medicare patients with each condition. A patient can have several.
Katie Marks' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katie J. Marks wrote 1,229 Medicare Part D claims in 2024
In 2024, Katie Marks wrote 1,229 Medicare Part D claims for 293 patients. 89% of them were for generic drugs. CMS names the drug for 818 of them, across 37 drugs with 11 or more claims each, at $50,474 in total drug cost.
Katie Marks' Part D claims by kind of drug, 2024
- Generic1,096 claims89%
- Brand-name and other133 claims11%
Katie Marks' 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 Katie Marks' Part D claims, 2024
- Antibiotics14%166 of 1,229 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
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Katie J. Marks received $1,437 in industry payments from 2024 to 2025
CMS Open Payments shows 48 general payments to Katie Marks from 7 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $735.
General payments to Katie Marks by program year, 2024 to 2025
Companies that paid Katie Marks the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Katie J. Marks'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) |
| 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 Katie J. Marks
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katie J. Marks' NPI number?
Katie J. Marks' NPI number is 1841922531. It was assigned on June 30, 2022, and it is active in the NPI Registry.
What does Katie J. Marks specialize in?
Katie J. Marks is a nurse practitioner in Jacksonville, Florida. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Katie J. Marks practice?
Katie Marks practices at 1824 King St, Jacksonville, FL 32204. Katie Marks' primary practice is Cardiothoracic & Vascular Surgical Associates PA in Jacksonville, Florida. Dmand AI also links Katie Marks to 1 group practice or clinic.
What is Katie J. Marks' office phone number?
The practice phone on file for Katie Marks is (904) 384-3343.
What is Katie J. Marks' medical license number?
Katie Marks holds Florida license APRN11019803.
Which hospitals is Katie J. Marks affiliated with?
Katie Marks is affiliated with Ascension Sacred Heart Gulf.
What medical group is Katie J. Marks part of?
Katie Marks is linked to Cardiothoracic & Vascular Surgical Associates.
Does Katie J. Marks accept Medicare?
Yes. CMS data shows Katie Marks billed Medicare for 34 services in 2024.
How many Medicare patients does Katie J. Marks see?
CMS counts 54 Medicare patients who saw Katie Marks in 2024, with an average age of 69.
What services does Katie J. Marks bill to Medicare?
In 2024, Katie Marks' most billed Medicare services were office visit, new patient (99203) and office visit, established patient (99213).
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What drugs does Katie J. Marks prescribe most?
In 2024 Medicare Part D data, Katie Marks' most prescribed drugs by claims were Fluticasone Propionate, Losartan Potassium and Amlodipine Besylate.
Has Katie J. Marks received payments from drug or device companies?
CMS Open Payments shows $1,437 in general payments to Katie Marks from 7 companies from 2024 to 2025. The largest total came from Boston Scientific Corporation.
How long has Katie J. Marks been practicing?
Katie Marks graduated from medical school in 2022, 4 years ago.
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