Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ROSALIN MERCER APRN
NPI 1649104019
Nurse Practitioner - Family in New Port Richey, FL

Q: What is Rosalin Mercer's NPI number?

The NPI number for Rosalin Mercer is 1649104019. It was assigned to this individual provider in the NPPES registry on June 10, 2026.

Q: What is Rosalin Mercer's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Rosalin Mercer was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.

Active since June 10, 2026PECOS Enrolled

5500 LITTLE RD, NEW PORT RICHEY, FL 34655(727) 372-1005(727) 372-1009 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

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About Rosalin Mercer Aprn NPPES

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

ROSALIN MERCER APRN (NPI 1649104019) is an individual family provider in New Port Richey, Florida, licensed in Florida (APRN11048219) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649104019

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameROSALIN MERCERCredential: APRN

Location Address5500 LITTLE RDNew Port Richey, FL 34655-1105

Mailing Address5350 Spring Hill DrSpring Hill, FL 34606-4562 · (352) 277-5348 · Fax (352) 606-2857

Phone(727) 372-1005

Fax(727) 372-1009

Sole ProprietorYes

Enumeration DateJune 10, 2026

Last NPPES UpdateSeptember 1, 2026

NPPES CertifiedSeptember 1, 2026

✔ NPI 1649104019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in FL · APRN11048219

Also ListedRegistered NurseTaxonomy 163W00000X · License 9528836 (FL)

5500 LITTLE RD, New Port Richey, FL 34655

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rosalin Mercer Aprn 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34655 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.

Other Providers at the Same Location NPPES 12

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

DR. DAVID HERNDON DO

Family Medicine