Dr. Jeffrey Mark Downen, MD
- Medicare services, 2024
- 132
- Medicare patients, 2024
- 97
- Part D claims, 2024
- 52
- Hospital affiliations
- 2
- Medical groups
- 4
- Practice address
- 15255 Max Leggett Pkwy, 2nd and 3rd Floors, Jacksonville, FL 32218
- Practice phone
- Call (904) 456-8001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Downen's professional email, personal email and mobile number
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Dr. Jeffrey Mark Downen is an emergency medicine physician in Jacksonville, Florida
Dr. Downen practices at UF Health Rehabilitation Hospital - North in Jacksonville, Florida, part of UF Health.
Dr. Downen's NPI, 1871170951, was assigned on March 25, 2021. Dr. Downen holds Florida license ME173562.
- NPI
- 1871170951NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496293995
- NPI enumeration date
- March 25, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (904) 456-8001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey Mark Downen practices at UF Health Rehabilitation Hospital - North in Jacksonville, Florida
Dr. Downen's primary practice is UF Health Rehabilitation Hospital - North, at 15255 Max Leggett Pkwy, 2nd and 3rd Floors, Jacksonville, FL 32218 in Duval County. The practice phone is (904) 456-8001.
- UF Health Rehabilitation Hospital - North15255 Max Leggett Pkwy, 2nd and 3rd Floors, Jacksonville, FL 32218 · Duval CountyPhone(904) 456-8001
Source: Dmand AI Affiliation Data
Dr. Jeffrey Mark Downen is affiliated with 2 sites of care and 4 medical groups
Dr. Downen's primary practice is UF Health Rehabilitation Hospital - North in Jacksonville, Florida, part of UF Health. Dr. Downen is also affiliated with UF Health Jacksonville. The medical group on file is Emory Clinic. Dmand AI also links Dr. Downen to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey Mark Downen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Downen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UF Health Rehabilitation Hospital - North | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey Mark Downen is one of 3,847 emergency medicine physicians in Florida
Emergency medicine is Dr. Downen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Downen's licenses on file in 2 states: Florida and Georgia.
Specialties and state licenses
- Emergency medicine, FloridaPrimary
- Georgia license
Emergency medicine physicians near Dr. Downen
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. Jeffrey Mark Downen billed Medicare for 132 services in 2024
CMS data shows 132 Medicare services from Dr. Downen across 3 procedure codes in 2024, for 97 Medicare patients. Medicare paid $9,176 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Downen's Medicare services by type, 2024
- Office and hospital visits67
- Tests and treatments65
Dr. Downen compared with the Florida median for emergency medicine physicians, 2024
- Dr. Downen
- Florida median
- Medicare services
- 132vs 30857% below
- Medicare patients
- 97vs 27765% below
Medians across 3,699 emergency medicine physicians in Florida with Dmand AI profiles that report each measure.
Dr. Downen's 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Downen and other emergency medicine physicians in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Mark Downen treated 97 Medicare patients in 2024, average age 70
CMS counts 97 Medicare patients who saw Dr. Downen in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.70, 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. Downen's median patient age at 68, with 65% women.
Dr. Downen's Medicare patients by age, 2024
Dr. Downen's Medicare patients by sex, 2024
- Women4951%
- Men4849%
Chronic conditions among Dr. Downen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Chronic kidney disease47%
- Diabetes44%
- Arthritis42%
- Heart failure37%
- Atrial fibrillation35%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Downen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey Mark Downen wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Downen wrote 52 Medicare Part D claims for 36 patients. 98% of them were for generic drugs.
Dr. Downen's Part D claims by kind of drug, 2024
- Generic51 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in Dr. Downen's Part D claims, 2024
- Antibiotics31%16 of 52 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Jeffrey Mark Downen takes part in Medicare
Dr. Downen 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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Sources for Dr. Jeffrey Mark Downen'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 (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) |
| 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. Jeffrey Mark Downen
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. Jeffrey Mark Downen's NPI number?
Dr. Jeffrey Mark Downen's NPI number is 1871170951. It was assigned on March 25, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Mark Downen?
Dr. Jeffrey Mark Downen is an emergency medicine physician in Jacksonville, Florida. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jeffrey Mark Downen practice?
Dr. Downen practices at 15255 Max Leggett Pkwy, 2nd and 3rd Floors, Jacksonville, FL 32218. Dr. Downen's primary practice is UF Health Rehabilitation Hospital - North in Jacksonville, Florida, part of UF Health. Dmand AI also links Dr. Downen to 3 medical groups.
What is Dr. Jeffrey Mark Downen's office phone number?
The practice phone on file for Dr. Downen is (904) 456-8001.
What is Dr. Jeffrey Mark Downen's medical license number?
Dr. Downen holds Florida license ME173562, one of the licenses on file in 2 states.
Which states has Dr. Jeffrey Mark Downen been licensed in?
Dmand AI has state licenses on file for Dr. Downen in Florida and Georgia.
Which hospitals is Dr. Jeffrey Mark Downen affiliated with?
Dr. Downen practices at UF Health Rehabilitation Hospital - North in Jacksonville, Florida. Dr. Downen is also affiliated with UF Health Jacksonville.
What medical group is Dr. Jeffrey Mark Downen part of?
Dr. Downen is linked to Emory Clinic. Dmand AI links Dr. Downen to 3 more medical groups.
Does Dr. Jeffrey Mark Downen accept Medicare?
Yes. CMS data shows Dr. Downen billed Medicare for 132 services in 2024, and Dr. Downen accepts Medicare assignment.
How many Medicare patients does Dr. Jeffrey Mark Downen see?
CMS counts 97 Medicare patients who saw Dr. Downen in 2024, with an average age of 70.
What services does Dr. Jeffrey Mark Downen bill to Medicare?
In 2024, Dr. Downen's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and critical care (99291).
How long has Dr. Jeffrey Mark Downen been practicing?
Dr. Downen graduated from medical school in 2021, 5 years ago.
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