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

KAREN ANN MERCER ARNP
NPI 1093095770
Nurse Practitioner in Indiantown, FL

Active since August 25, 2011PECOS Enrolled
1150 SW ALLAPATTAH RD, INDIANTOWN, FL 34956(772) 597-3705 Get Directions Write a Review

NPPES record last updated: May 2, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Karen Ann Mercer Arnp NPPES

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

KAREN ANN MERCER ARNP (NPI 1093095770) is an individual nurse practitioner in Indiantown, Florida, licensed in Florida (APRN9202948) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093095770
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKAREN ANN MERCERCredential: ARNP
Location Address1150 SW ALLAPATTAH RDIndiantown, FL 34956-4310
Mailing Address50 S B B King BlvdMemphis, TN 38103-2626 · (901) 436-1381
Phone(772) 597-3705
Sole ProprietorNo
Enumeration DateAugust 25, 2011
Last NPPES UpdateMay 2, 2022
NPPES CertifiedMay 2, 2022
✔ NPI 1093095770 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in FL · APRN9202948
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License ARNP9202948 (FL)
1150 SW ALLAPATTAH RD, Indiantown, FL 34956
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen Ann Mercer 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 Karen Mercer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Signify Health Medical Associates, PLLC
1,055 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Georgia, North Carolina and Tennessee enrollments
  • 488 clinicians in this Medicare group
NPI 1750845863 (972) 715-3800

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 34956 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
$91.69 typical visit price
range $58.56 – $179.05
Typical copayment $22.92 (range $14.64 – $44.76)
Most-billed visit code 99203
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
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.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

REGINALD J SINCERE APRN
Nurse Practitioner (Psychiatric/Mental Health)
1150 SW ALLAPATTAH RD
INDIANTOWN, FL 34956
Martin County (954) 588-9241
TISHA ALECIA PATTEN NP-C, ARNP
Nurse Practitioner (Family)
1150 SW ALLAPATTAH RD
INDIANTOWN, FL 34956
Martin County (772) 597-0000

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 Karen Mercer's NPI number?

The NPI number for Karen Mercer is 1093095770. It was assigned to this individual provider in the NPPES registry on August 25, 2011.

Where is Karen Mercer located?

Karen Mercer practices at 1150 SW Allapattah Rd, Indiantown, FL 34956. The listed phone number is (772) 597-3705.

What is Karen Mercer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Karen Mercer enrolled in Medicare?

Yes. Karen Mercer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karen Mercer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Mercer reassigns Medicare benefits to Signify Health Medical Associates, PLLC (Dallas, TX). 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 Karen Mercer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Mercer accept?

Health plans from CareSource (Common Ground Healthcare) list Karen 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.

When was this NPI record last updated?

The NPPES record for Karen Mercer was last updated on May 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.