1. Home
  2. Directory
  3. Florida
  4. Orlando
  5. Nurse Practitioner
  6. NPI Profile

MARCKENSON GERSON JANVIER ARNP
NPI 1417465584
Nurse Practitioner - Family in Orlando, FL

Active since January 11, 2018PECOS Enrolled
9401 TURKEY LAKE RD, ORLANDO, FL 32819(407) 351-8500 Get Directions Write a Review

NPPES record last updated: January 11, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marckenson Gerson Janvier Arnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARCKENSON GERSON JANVIER ARNP (NPI 1417465584) is an individual family provider in Orlando, Florida, licensed in Florida (9335979) and active in the NPI registry since January 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417465584
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMARCKENSON GERSON JANVIERCredential: ARNP
Location Address9401 TURKEY LAKE RDOrlando, FL 32819
Mailing Address2083 Winnetka CtOrlando, FL 32818-5324 · (407) 485-3505
Phone(407) 351-8500
Sole ProprietorNo
Enumeration DateJanuary 11, 2018
✔ NPI 1417465584 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in FL · 9335979
9401 TURKEY LAKE RD, Orlando, FL 32819
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marckenson Gerson Janvier Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marckenson Janvier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Positive Assistance, Inc.
8.2 mi
Primary Care
7156 W COLONIAL DR
Orlando, FL 32818
  • Reassigned Medicare billing, Florida enrollment
  • 4 clinicians in this Medicare group
NPI 1023608999 (407) 993-6193

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32819 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marckenson Janvier's NPI number?

The NPI number for Marckenson Janvier is 1417465584. It was assigned to this individual provider in the NPPES registry on January 11, 2018.

Where is Marckenson Janvier located?

Marckenson Janvier practices at 9401 Turkey Lake Rd, Orlando, FL 32819. The listed phone number is (407) 351-8500.

What is Marckenson Janvier's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marckenson Janvier enrolled in Medicare?

Yes. Marckenson Janvier is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marckenson Janvier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marckenson Janvier reassigns Medicare benefits to Positive Assistance, Inc. (Orlando, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marckenson Janvier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marckenson Janvier was last updated on January 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.