Marckenson Gerson Janvier, ARNP
- Part D claims, 2024
- 29
- Industry payments
- $245
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 5611 St, Zephyrhills, FL 33542
- Practice phone
- Call (800) 877-5227
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Laboratory Corporation of America
Zephyrhills, Florida
Find Marckenson Janvier's 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.
Marckenson Gerson Janvier is a family nurse practitioner in Zephyrhills, Florida
Marckenson Janvier practices at Laboratory Corporation of America in Zephyrhills, Florida.
Marckenson Janvier's NPI, 1417465584, was assigned on January 11, 2018. Marckenson Janvier holds Florida license 9335979.
- NPI
- 1417465584NPI Registry (opens in a new tab)
- NPI enumeration date
- January 11, 2018
- NPI status
- Active
- Practice phone
- (800) 877-5227
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Marckenson Gerson Janvier practices at Laboratory Corporation of America in Zephyrhills, Florida
Marckenson Janvier's primary practice is Laboratory Corporation of America, at 5611 St, Zephyrhills, FL 33542 in Pasco County. The practice phone is (800) 877-5227.
- Laboratory Corporation of America5611 St, Zephyrhills, FL 33542 · Pasco CountyPhone(800) 877-5227
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Marckenson Gerson Janvier is affiliated with 2 sites of care and 1 medical group
Marckenson Janvier's primary practice is Laboratory Corporation of America in Zephyrhills, Florida. The medical group on file is Inclusive Care of Orlando. Dmand AI also links Marckenson Janvier 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 Marckenson Gerson Janvier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marckenson Janvier practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Laboratory Corporation of America | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Marckenson Gerson Janvier is one of 14,175 family nurse practitioners in Florida
Family is Marckenson Janvier's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Marckenson Janvier is licensed in Florida.
Specialties and state licenses
- Family nurse practitioner, FloridaPrimary
Family nurse practitioners near Marckenson Janvier
Counts of family 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
Marckenson Gerson Janvier's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Marckenson Janvier's median patient age at 48, with 49% women.
Marckenson Janvier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Marckenson Gerson Janvier wrote 29 Medicare Part D claims in 2024
In 2024, Marckenson Janvier wrote 29 Medicare Part D claims. 97% of them were for generic drugs.
Marckenson Janvier's Part D claims by kind of drug, 2024
- Generic28 claims97%
- Brand-name and other1 claims3%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Marckenson Gerson Janvier received $245 in industry payments from 2024 to 2025
CMS Open Payments shows 10 general payments to Marckenson Janvier from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $137.
General payments to Marckenson Janvier by program year, 2024 to 2025
Companies that paid Marckenson Janvier 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 Marckenson Gerson Janvier'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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 Marckenson Gerson Janvier
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marckenson Gerson Janvier's NPI number?
Marckenson Gerson Janvier's NPI number is 1417465584. It was assigned on January 11, 2018, and it is active in the NPI Registry.
What does Marckenson Gerson Janvier specialize in?
Marckenson Gerson Janvier is a family nurse practitioner in Zephyrhills, Florida. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Marckenson Gerson Janvier practice?
Marckenson Janvier practices at 5611 St, Zephyrhills, FL 33542. Marckenson Janvier's primary practice is Laboratory Corporation of America in Zephyrhills, Florida. Dmand AI also links Marckenson Janvier to 1 group practice or clinic.
What is Marckenson Gerson Janvier's office phone number?
The practice phone on file for Marckenson Janvier is (800) 877-5227.
What is Marckenson Gerson Janvier's medical license number?
Marckenson Janvier holds Florida license 9335979.
What medical group is Marckenson Gerson Janvier part of?
Marckenson Janvier is linked to Inclusive Care of Orlando.
Has Marckenson Gerson Janvier received payments from drug or device companies?
CMS Open Payments shows $245 in general payments to Marckenson Janvier from 4 companies from 2024 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Marckenson Gerson Janvier been practicing?
Marckenson Janvier's NPI was assigned in 2018.
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