MS. DIONNE WALKER NP
NPI 1891112611
Nurse Practitioner - Pediatrics in Orlando, FL

Q: What is Dionne Walker's NPI number?

The NPI number for Dionne Walker is 1891112611. It was assigned to this individual provider in the NPPES registry on March 19, 2014.

Q: What is Dionne Walker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Q: When was this NPI record last updated?

The NPPES record for Dionne Walker was last updated on March 14, 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.

Active since March 19, 2014PECOS Enrolled

6150 METROWEST BLVD STE 105, ORLANDO, FL 32835(321) 842-6671 Get Directions Write a Review

NPPES record last updated: March 14, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Ms. Dionne Walker Np NPPES

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

MS. DIONNE WALKER NP (NPI 1891112611) is an individual pediatrics provider in Orlando, Florida, licensed in Florida (APRN11012626) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891112611

Entity TypeIndividualFemale

Primary Taxonomy363LP0200X

Provider Legal NameMS. DIONNE WALKERCredential: NP

Location Address6150 METROWEST BLVD STE 105Orlando, FL 32835

Mailing Address6150 Metrowest Blvd Ste 105Orlando, FL 32835-3290 · (321) 842-6671 · Fax (321) 843-6447

Phone(321) 842-6671

Sole ProprietorNo

Enumeration DateMarch 19, 2014

Last NPPES UpdateMarch 14, 2024

NPPES CertifiedMarch 14, 2024

✔ NPI 1891112611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

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

Taxonomy Code363LP0200X

License✔ Licensed in FL · APRN11012626

6150 METROWEST BLVD STE 105, Orlando, FL 32835

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Superior HealthPlan, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Dionne Walker Np 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 Reassignments

Medicare enrollment records show Dionne Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orlando Health Medical Group Inc

5.5 mi

Internal Medicine

52 W UNDERWOOD ST
Orlando, FL 32806

Reassigned Medicare billing, Florida enrollment
3,290 clinicians in this Medicare group

NPI 1669429577 (321) 841-2452

Nyu Langone Hospitals

937 mi

Multi-Specialty

150 55TH ST
Brooklyn, NY 11220

Reassigned Medicare billing, New York enrollment
616 clinicians in this Medicare group

NPI 1831549559 (718) 630-7000

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 32835 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 2

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

OLIVIA SHUN CHIANG PSYD

Psychologist (Clinical)

6150 METROWEST BLVD STE 105
ORLANDO, FL 32835

Orange County (321) 842-6671

DR. MAHJABEEN AHMED KHAN MD

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

6150 METROWEST BLVD STE 105
ORLANDO, FL 32835

Orange County (321) 842-6671

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 Dionne Walker's NPI number?

The NPI number for Dionne Walker is 1891112611. It was assigned to this individual provider in the NPPES registry on March 19, 2014.

Where is Dionne Walker located?

Dionne Walker practices at 6150 Metrowest Blvd Ste 105, Orlando, FL 32835. The listed phone number is (321) 842-6671.

What is Dionne Walker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Dionne Walker enrolled in Medicare?

Yes. Dionne Walker is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Dionne Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dionne Walker reassigns Medicare benefits to 2 organizations: Orlando Health Medical Group Inc (Orlando, FL) and Nyu Langone Hospitals (Brooklyn, NY). Each 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 Dionne Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dionne Walker accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, AmeriHealth Caritas Next and Cigna HealthCare of Florida, Inc. and 2 other insurers list Dionne Walker 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 Dionne Walker was last updated on March 14, 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.