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

MARY K O'NEILL JOHNSON ARNP
NPI 1962410753
Nurse Practitioner in Apopka, FL

Active since August 04, 2006PECOS Enrolled
515 WEKIVA COMMONS CIR, APOPKA, FL 32712(407) 464-9516(407) 464-9519 Get Directions Write a Review

NPPES record last updated: June 17, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary K O'neill Johnson Arnp NPPES

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

MARY K O'NEILL JOHNSON ARNP (NPI 1962410753) is an individual nurse practitioner in Apopka, Florida, licensed in Florida (ARNP1275592) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962410753
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARY K O'NEILL JOHNSONCredential: ARNP
Location Address515 WEKIVA COMMONS CIRApopka, FL 32712-3645
Mailing Address515 Wekiva Commons CirApopka, FL 32712-3645 · (407) 464-9519 · Fax (407) 464-9519
Phone(407) 464-9516
Fax(407) 464-9519
Sole ProprietorYes
Enumeration DateAugust 4, 2006
Last NPPES UpdateJune 17, 2022
NPPES CertifiedJune 17, 2022
✔ NPI 1962410753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in FL · ARNP1275592
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.
515 WEKIVA COMMONS CIR, Apopka, FL 32712
Open in Google Maps ↗

Other Identifiers 3

OtherY9754FL · Bluecrossblueshield
Medicaid305934100FL
Medicaid266648100FL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary K O'neill Johnson 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 Mary O'neill Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Central Florida Hospitalist Partners PA
14 mi
Hospitalist
1414 KUHL AVE
Orlando, FL 32806
  • Reassigned Medicare billing, Florida enrollment
  • 191 clinicians in this Medicare group
NPI 1558381921 (407) 464-9516

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 32712 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 20

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

MINIMOL CHIRAKAROTTU MATHEW APRN
Nurse Practitioner (Family)
515 WEKIVA COMMONS CIR
APOPKA, FL 32712
Orange County (407) 464-9516
MS. SHANIEL GORDON FNP
Nurse Practitioner (Family)
515 WEKIVA COMMONS CIR
APOPKA, FL 32712
Orange County (407) 464-9516
NIDA FAROKH YUSUFALI
Hospitalist
515 WEKIVA COMMONS CIR
APOPKA, FL 32712
Orange County (407) 464-9516
RAJAT MALIK DO
Hospitalist
515 WEKIVA COMMONS CIR
APOPKA, FL 32712
Orange County (407) 464-9516
ANGELA EASTER ARNP
Nurse Practitioner (Adult Health)
515 WEKIVA COMMONS CIR
APOPKA, FL 32712
Orange County (407) 464-9516
DR. GLENN SARIOL M.D.
Hospitalist
515 WEKIVA COMMONS CIR
APOPKA, FL 32712
Orange County (407) 464-9516
ZAYAR MIN OO MD
Hospitalist
515 WEKIVA COMMONS CIR
APOPKA, FL 32712
Orange County (407) 464-9516
MRUGESHKUMAR PATEL MD
Hospitalist
515 WEKIVA COMMONS CIR
APOPKA, FL 32712
Orange County (407) 464-9516

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 Mary O'neill Johnson's NPI number?

The NPI number for Mary O'neill Johnson is 1962410753. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Where is Mary O'neill Johnson located?

Mary O'neill Johnson practices at 515 Wekiva Commons Cir, Apopka, FL 32712. The listed phone number is (407) 464-9516.

What is Mary O'neill Johnson's specialty?

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

Is Mary O'neill Johnson enrolled in Medicare?

Yes. Mary O'neill Johnson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary O'neill Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary O'neill Johnson reassigns Medicare benefits to Central Florida Hospitalist Partners PA (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 Mary O'neill Johnson'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 Mary O'neill Johnson was last updated on June 17, 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.