MR. JAMES WALKER APRN
NPI 1952094856
Nurse Practitioner - Family in Jacksonville, FL

Q: What is James Walker's NPI number?

The NPI number for James Walker is 1952094856. It was assigned to this individual provider in the NPPES registry on May 29, 2023.

Q: What is James Walker'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 James Walker was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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 May 29, 2023PECOS EnrolledAccepts Medicare Assignment

2 SHIRCLIFF WAY STE 200, JACKSONVILLE, FL 32204(904) 308-2006(904) 308-7111 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 29, 2026, Jul 6, 2023, May 29, 2023 (3 updates tracked since 2023).

On this page

About Mr. James Walker Aprn NPPES

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

MR. JAMES WALKER APRN (NPI 1952094856) is an individual family provider in Jacksonville, Florida, licensed in Florida (11026919) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent's Riverside, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1952094856

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameMR. JAMES WALKERCredential: APRN

Location Address2 SHIRCLIFF WAY STE 200Jacksonville, FL 32204-4766

Mailing Address2 Shircliff Way Ste 200Jacksonville, FL 32204-4766 · (904) 308-2006 · Fax (904) 308-7111

Phone(904) 308-2006

Fax(904) 308-7111

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateMay 29, 2023

Last NPPES UpdateJanuary 29, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 29, 2026

✔ NPI 1952094856 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 · 11026919

Also ListedRegistered Nurse · EmergencyTaxonomy 163WE0003X · License RN9504106 (FL)

2 SHIRCLIFF WAY STE 200, Jacksonville, FL 32204

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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 and accepts Medicare assignment

Mr. James Walker Aprn 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.

PECOS PAC ID4486015153

PECOS Enrollment IDI20230727001141

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

St Vincent's Full Service Urgent Care, LLC

15 mi

Occupational Medicine

10503 SAN JOSE BLVD
Jacksonville, FL 32257

Reassigned Medicare billing, Florida enrollment
78 clinicians in this Medicare group

NPI 1750672051 (904) 379-1203

St Vincents Ambulatory Care Inc

18 mi

Neurological Surgery

2 SHIRCLIFF WAY, SUITE 600
Jacksonville, FL 32204

Reassigned Medicare billing, Florida enrollment
Medicare enrollment name: St Vincent's Ambulatory Care Inc
544 clinicians in this Medicare group

NPI 1417987124 (904) 308-6769

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 11

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

192 services169 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

123 services123 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

49 services48 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

40 services36 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

27 services26 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

24 services22 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

23 services23 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

21 services20 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

14 services14 patients

Removal of impacted ear wax by washing 69209

Impacted ear wax removal by washing, also known as ear irrigation, involves using a pressurized flow of water to break up and dislodge the ear wax. This safe procedure helps restore normal hearing and relieve discomfort caused by the blockage.

12 services12 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension St Vincent's Riverside

Acute Care Hospitals · Jacksonville, FL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100040

Location1 Shircliff WayJacksonville, FL 32204 · Duval County

Emergency services

Ed Fraser Memorial Hospital

Acute Care Hospitals · Macclenny, FL

OwnershipVoluntary non-profit - Private

CMS Certification Number100134

Location159 N 3rd StMacclenny, FL 32063 · Baker County

Emergency services

Ascension St Vincent's Southside

Acute Care Hospitals · Jacksonville, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100307

Location4201 Belfort RdJacksonville, FL 32216 · Duval County

Emergency services Birthing friendly

Ascension St Vincent's Clay County

Acute Care Hospitals · Middleburg, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100321

Location1670 St Vincents WayMiddleburg, FL 32068 · Clay County

Emergency services Birthing friendly

Ascension St Vincent's St Johns County

Acute Care Hospitals · St Johns, FL

OwnershipVoluntary non-profit - Private

CMS Certification Number100361

Location205 Trinity WaySt Johns, FL 32259 · St. Johns County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32204 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.

MRS. SAMANTHA ZINKOFSKY AGNP-C

Nurse Practitioner (Adult Health)

2 SHIRCLIFF WAY STE 200
JACKSONVILLE, FL 32204

Duval County (904) 308-2006

NICOLE ROTHE PA-C, MS CCC-SLP

Physician Assistant (Surgical)

2 SHIRCLIFF WAY STE 200
JACKSONVILLE, FL 32204

Duval County (904) 308-2006

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 James Walker's NPI number?

The NPI number for James Walker is 1952094856. It was assigned to this individual provider in the NPPES registry on May 29, 2023.

Where is James Walker located?

James Walker practices at 2 Shircliff Way Ste 200, Jacksonville, FL 32204. The listed phone number is (904) 308-2006.

What is James Walker's specialty?

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

Is James Walker enrolled in Medicare?

Yes. James Walker 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 organizations bill Medicare for James Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Walker reassigns Medicare benefits to 2 organizations: St Vincent's Full Service Urgent Care, LLC (Jacksonville, FL) and St Vincents Ambulatory Care Inc (Jacksonville, FL). 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 James Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Walker accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, Cigna HealthCare of Florida, Inc. and Cigna Healthcare and 1 other insurer list James 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.

Is James Walker affiliated with any hospitals?

According to CMS data, James Walker is affiliated with Ascension St Vincent's Riverside, Ed Fraser Memorial Hospital, Ascension St Vincent's Southside, Ascension St Vincent's Clay County and Ascension St Vincent's St Johns County.

When was this NPI record last updated?

The NPPES record for James Walker was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.