NADENE BARKER NURSE PRACTITIONER
NPI 1083943070
Nurse Practitioner - Psychiatric/Mental Health in Memphis, TN

Active since December 22, 2009PECOS EnrolledAccepts Medicare Assignment
880 MADISON AVE, MEMPHIS, TN 38103(901) 545-7446 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 10, 2024, May 17, 2021 (2 updates tracked since 2021).

About Nadene Barker Nurse Practitioner NPPES

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

NADENE BARKER NURSE PRACTITIONER (NPI 1083943070) is an individual psychiatric/mental health provider in Memphis, Tennessee, licensed in Tennessee (161864) and active in the NPI registry since December 2009. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1083943070
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameNADENE BARKERCredential: NURSE PRACTITIONER
Location Address880 MADISON AVEMemphis, TN 38103-3409
Mailing Address1525 S Higley Rd # 104-167Gilbert, AZ 85296-4795 · (614) 448-5178
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateDecember 22, 2009
Last NPPES UpdateOctober 16, 20252 updates tracked since enumeration
NPPES CertifiedOctober 16, 2025
✔ NPI 1083943070 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses✔ Licensed in TN · 161864✔ Licensed in AZ · 235908
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
880 MADISON AVE, Memphis, TN 38103

Other Names 1

Former Name (1)Nadene Barker Np

Secondary Practice Locations 2

Location 111201 N Tatum Blvd Ste 300Phoenix, AZ 85028-6039 · Phone (800) 465-3203
Location 220934 E Ocotillo Rd Apt 1067Queen Creek, AZ 85142-7608 · Phone (901) 246-8090

Accepted 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

Nadene Barker Nurse Practitioner 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 ID1759728769
PECOS Enrollment IDI20240326004221
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

3

Medicare enrollment records show Nadene Barker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
877 JEFFERSON AVE
Memphis, TN 38103
  • Reassigned Medicare billing, Tennessee enrollment
  • 421 clinicians in this Medicare group
Psychiatry
233 WINTON BLOUNT LOOP
Montgomery, AL 36117
  • Reassigned Medicare billing, Tennessee enrollment
  • 73 clinicians in this Medicare group
Family Medicine
800 COLONIAL CIR, STE 200
Norwalk, IA 50211
  • Reassigned Medicare billing, Iowa enrollment
  • 545 clinicians in this Medicare group

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 38103 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
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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.

Nurse Practitioner (Family)
880 MADISON AVE
MEMPHIS, TN 38103
Pharmacist
880 MADISON AVE
MEMPHIS, TN 38103
Internal Medicine (Cardiovascular Disease)
880 MADISON AVE
MEMPHIS, TN 38103
Internal Medicine (Rheumatology)
880 MADISON AVE
MEMPHIS, TN 38103
Pharmacy (Specialty Pharmacy)
880 MADISON AVE
MEMPHIS, TN 38103
Internal Medicine (Rheumatology)
880 MADISON AVE
MEMPHIS, TN 38103
Internal Medicine (Gastroenterology)
880 MADISON AVE
MEMPHIS, TN 38103
Nurse Practitioner
880 MADISON AVE
MEMPHIS, TN 38103

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 Nadene Barker's NPI number?

The NPI number for Nadene Barker is 1083943070. It was assigned to this individual provider in the NPPES registry on December 22, 2009. The provider is also known as Nadene Barker Np.

Where is Nadene Barker located?

Nadene Barker practices at 880 Madison Ave, Memphis, TN 38103. The listed phone number is (901) 545-7446.

What is Nadene Barker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Nadene Barker enrolled in Medicare?

Yes. Nadene Barker 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 Nadene Barker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nadene Barker reassigns Medicare benefits to 3 organizations: Ut Regional One Physicians Inc (Memphis, TN), River Region Psychiatry Associates LLC (Montgomery, AL) and Central Iowa Hospital Corporation (Norwalk, IA). 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 Nadene Barker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nadene Barker accept?

Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas, Cigna HealthCare of Arizona, Inc, Oscar Insurance Company and UnitedHealthcare and 1 other insurer list Nadene Barker 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 Nadene Barker was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.