KELLY CHRISTINE MERCER AGACNP-BC
NPI 1255039640
Nurse Practitioner - Acute Care in Largo, FL
About Kelly Christine Mercer Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELLY CHRISTINE MERCER AGACNP-BC (NPI 1255039640) is an individual acute care provider in Largo, Florida, licensed in Florida (APRN11024625) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS, is affiliated with Hca Florida Largo Hospital, and is a graduate of Other (2022).
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
Kelly Christine Mercer Agacnp-bc 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 Kelly Mercer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Petersburg, FL 33709
- Reassigned Medicare billing, Florida enrollment
- 85 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Florida Largo Hospital
Acute Care Hospitals · Largo, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33770 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LARGO, FL 33770
LARGO, FL 33770
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 Kelly Mercer's NPI number?
The NPI number for Kelly Mercer is 1255039640. It was assigned to this individual provider in the NPPES registry on February 16, 2023.
Where is Kelly Mercer located?
Kelly Mercer practices at 1345 W Bay Dr Ste 101, Largo, FL 33770. The listed phone number is (727) 581-3550.
What is Kelly Mercer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Kelly Mercer enrolled in Medicare?
Yes. Kelly Mercer 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 Kelly Mercer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelly Mercer reassigns Medicare benefits to West Florida Cardiology Network, LLC (Saint Petersburg, 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 Kelly Mercer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kelly Mercer accept?
Health plans from Oscar Health Maintenance Organization of Florida list Kelly Mercer 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 Kelly Mercer affiliated with any hospitals?
According to CMS data, Kelly Mercer is affiliated with Hca Florida Largo Hospital.
When was this NPI record last updated?
The NPPES record for Kelly Mercer was last updated on February 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Kelly Christine Mercer, AGACNP-BC · NPI 1255039640
Acute Care physician in Largo, Florida. Individual provider, active in the CMS NPPES registry since February 16, 2023.
## Identity
- **NPI:** 1255039640 (Entity type: Individual)
- **Enumerated:** February 16, 2023
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** APRN11024625 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 1345 W BAY DR STE 101, Largo, FL 33770-2276
- **Phone:** (727) 581-3550 · **Fax:** (727) 586-6190
## 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:** West Florida Cardiology Network, LLC (NPI 1801198023, Saint Petersburg, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** February 2, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1255039640) · Data from the CMS NPPES public registry.