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DR. RONALD WAYNE ALEXANDER JR. PH.D., DBSM
NPI 1033203468
Psychologist - Health Service in Biloxi, MS

Active since October 02, 2006PECOS Enrolled
400 VETERANS AVE # 111B, BILOXI, MS 39531(228) 523-5314 Get Directions Write a Review

NPPES record last updated: October 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ronald Wayne Alexander Jr. Ph.d., Dbsm NPPES

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

DR. RONALD WAYNE ALEXANDER JR. PH.D., DBSM (NPI 1033203468) is an individual health service provider in Biloxi, Mississippi, licensed in Mississippi (621134) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1033203468
Entity TypeIndividualMale
Primary Taxonomy103TH0100X
Provider Legal NameDR. RONALD WAYNE ALEXANDER JR.Credential: PH.D., DBSM
Location Address400 VETERANS AVE # 111BBiloxi, MS 39531-2410
Mailing Address10189 Lake Forest DrOcean Springs, MS 39565-2010 · (228) 238-4095
Phone(228) 523-5314
Sole ProprietorYes
Medical School CMSOtherGraduated 1997
Enumeration DateOctober 2, 2006
Last NPPES UpdateOctober 9, 2025
NPPES CertifiedOctober 9, 2025
✔ NPI 1033203468 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Health ServiceBehavioral Health & Social Service Providers
Taxonomy Code103TH0100X
License✔ Licensed in MS · 621134
Definition
A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).
400 VETERANS AVE # 111B, Biloxi, MS 39531
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Oscar Health Plan, Inc., UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ronald Wayne Alexander Jr. Ph.d., Dbsm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6507359320
PECOS Enrollment IDI20251201003026
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 Ronald Alexander reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

South Mississippi Behavioral Medicine Solutions
9.1 mi
Health
10189 LAKE FOREST DR
Ocean Springs, MS 39565
  • Reassigned Medicare billing, Mississippi enrollment
NPI 1881560431 (228) 238-4095

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES

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

DR. NATALIA MARIN
Psychologist (Clinical)
400 VETERANS AVE # 111B
BILOXI, MS 39531
Harrison County (228) 523-5000

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 Ronald Alexander's NPI number?

The NPI number for Ronald Alexander is 1033203468. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is Ronald Alexander located?

Ronald Alexander practices at 400 Veterans Ave # 111B, Biloxi, MS 39531. The listed phone number is (228) 523-5314.

What is Ronald Alexander's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Health Service, with taxonomy code 103TH0100X.

Is Ronald Alexander enrolled in Medicare?

Yes. Ronald Alexander is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ronald Alexander's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Alexander reassigns Medicare benefits to South Mississippi Behavioral Medicine Solutions (Ocean Springs, MS). 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 Ronald Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ronald Alexander accept?

Health plans from Cigna Healthcare, Oscar Health Plan, Inc. and UnitedHealthcare list Ronald Alexander 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 Ronald Alexander was last updated on October 9, 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.