MELISSA NELSEN APRN
NPI 1003659848
Nurse Practitioner - Psychiatric/Mental Health in Saint Augustine, FL
About Melissa Nelsen Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA NELSEN APRN (NPI 1003659848) is an individual psychiatric/mental health provider in Saint Augustine, Florida, licensed in Florida (APRN11027049) and active in the NPI registry since June 2024. She is enrolled in Medicare PECOS, is affiliated with Baptist Health Medical Center - Jacksonville, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Melissa Nelsen Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Melissa Nelsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jacksonville, FL 32207
- Reassigned Medicare billing, Florida enrollment
- 176 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baptist Health Medical Center - Jacksonville
Acute Care Hospitals · Jacksonville, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT AUGUSTINE, FL 32095
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 Melissa Nelsen's NPI number?
The NPI number for Melissa Nelsen is 1003659848. It was assigned to this individual provider in the NPPES registry on June 18, 2024.
Where is Melissa Nelsen located?
Melissa Nelsen practices at 559 W Twincourt Trl Unit 603, Saint Augustine, FL 32095. The listed phone number is (904) 877-8275.
What is Melissa Nelsen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Melissa Nelsen enrolled in Medicare?
Yes. Melissa Nelsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Melissa Nelsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Nelsen reassigns Medicare benefits to Baptist Behavioral Health, LLC (Jacksonville, 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 Melissa Nelsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa Nelsen accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health Maintenance Organization of Florida and UnitedHealthcare list Melissa Nelsen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Melissa Nelsen affiliated with any hospitals?
According to CMS data, Melissa Nelsen is affiliated with Baptist Health Medical Center - Jacksonville.
When was this NPI record last updated?
The NPPES record for Melissa Nelsen was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.
# Melissa Nelsen, APRN · NPI 1003659848
Psychiatric/Mental Health physician in Saint Augustine, Florida. Individual provider, active in the CMS NPPES registry since June 18, 2024.
## Identity
- **NPI:** 1003659848 (Entity type: Individual)
- **Enumerated:** June 18, 2024
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** APRN11027049 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 559 W TWINCOURT TRL UNIT 603, Saint Augustine, FL 32095-8805
- **Phone:** (904) 877-8275
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Baptist Behavioral Health, LLC (NPI 1215906649, Jacksonville, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** September 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1003659848) · Data from the CMS NPPES public registry.